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In this study, we aimed to understand how restaurants can contribute to climate change mitigation via menu design. We investigated two types of interventions: changing the configuration of menu entries with variable side dishes so that the most climate-friendly option is set as the default and indicating the greenhouse gas emission of each dish via carbon labels. In an online simulation experiment, 265 participants were shown the menus of nine different restaurants and had to choose exactly one dish per menu. In six menus, the main dishes were presented with different default options: the side dish was associated either with the highest or with the lowest greenhouse gas emissions. The other three menus consisted of unitary dishes for which the default rules did not apply. All menus were presented either with or without carbon labels for each dish option. The results indicated that more climate-friendly dish choices resulting in lower greenhouse gas emissions were made with the low-emission than the high-emission default condition, and when carbon labels were present rather than absent. The effects of both interventions interacted, which indicates that the interventions partly overlap with regard to cognitive predecessors of choice behavior, such as attentional focus and social norms. The results suggest that the design of restaurant menus has a considerable effect on the carbon footprint of dining.
Risk Stratification for Bipolar Disorder Using Polygenic Risk Scores Among Young High-Risk Adults
(2020)
Objective:
Identifying high-risk groups with an increased genetic liability for bipolar disorder (BD) will provide insights into the etiology of BD and contribute to early detection of BD. We used the BD polygenic risk score (PRS) derived from BD genome-wide association studies (GWAS) to explore how such genetic risk manifests in young, high-risk adults. We postulated that BD-PRS would be associated with risk factors for BD.
Methods:
A final sample of 185 young, high-risk German adults (aged 18–35 years) were grouped into three risk groups and compared to a healthy control group (n = 1,100). The risk groups comprised 117 cases with attention deficit hyperactivity disorder (ADHD), 45 with major depressive disorder (MDD), and 23 help-seeking adults with early recognition symptoms [ER: positive family history for BD, (sub)threshold affective symptomatology and/or mood swings, sleeping disorder]. BD-PRS was computed for each participant. Logistic regression models (controlling for sex, age, and the first five ancestry principal components) were used to assess associations of BD-PRS and the high-risk phenotypes.
Results:
We observed an association between BD-PRS and combined risk group status (OR = 1.48, p < 0.001), ADHD diagnosis (OR = 1.32, p = 0.009), MDD diagnosis (OR = 1.96, p < 0.001), and ER group status (OR = 1.7, p = 0.025; not significant after correction for multiple testing) compared to healthy controls.
Conclusions:
In the present study, increased genetic risk for BD was a significant predictor for MDD and ADHD status, but not for ER. These findings support an underlying shared risk for both MDD and BD as well as ADHD and BD. Improving our understanding of the underlying genetic architecture of these phenotypes may aid in early identification and risk stratification.
Our object recognition abilities, a direct product of our experience with objects, are fine-tuned to perfection. Left temporal and lateral areas along the dorsal, action related stream, as well as left infero-temporal areas along the ventral, object related stream are engaged in object recognition. Here we show that expertise modulates the activity of dorsal areas in the recognition of man-made objects with clearly specified functions. Expert chess players were faster than chess novices in identifying chess objects and their functional relations. Experts’ advantage was domain-specific as there were no differences between groups in a control task featuring geometrical shapes. The pattern of eye movements supported the notion that experts’ extensive knowledge about domain objects and their functions enabled superior recognition even when experts were not directly fixating the objects of interest. Functional magnetic resonance imaging (fMRI) related exclusively the areas along the dorsal stream to chess specific object recognition. Besides the commonly involved left temporal and parietal lateral brain areas, we found that only in experts homologous areas on the right hemisphere were also engaged in chess specific object recognition. Based on these results, we discuss whether skilled object recognition does not only involve a more efficient version of the processes found in non-skilled recognition, but also qualitatively different cognitive processes which engage additional brain areas
143 9- and 10-year-oId children were classified into high- and Jow-IQ groups and given 4 different sort/recall lists (baseline, training, near [immediate] extension, far [l-week] extension) to assess training and extension of an organizational memory strategy. All children received categorized items of moderate typicality for Phases 1, 3, and 4. For Phase 2, children were assigned to either a training or control group, with half of the children in each group receiving category typical items and the others category atypical items. Levels of recall, sorting, and clustering were greater in Phase 2 for high-IQ children, for the typical lists, and for trained children. Both the high- and low-IQ children trained with typical items continued to show high levels of recall on the near extension phase. No group of subjects maintained high levels of recall after 1 week, although levels of sorting and/or clustering on the extension trials remained high for all groups of subjects except the low-IQ control children. This latter pattern (elevated sorting/clustering with low levels of recall) is an indication of a utilization deficiency, a phase in strategy development when children use a strategy but gain little or no benefit n performance. The results provide evidence for IQ, training, and material effects in the demonstration of a utilization deficiency.
High- and low-IQ children in the first, third, and fifth grades performed two free-recall tasks: a sort-recall task with sets of categorically related pictures, and a class-recall task, with children recalling the current members of their school class. All children were deemed to be experts concerning the composition of their school class, but, unlike experts in other domains, had no special motivation associated with their expertise. Recall and clustering on both tasks were high. The high-IQ children performed better than low-IQ children only on the sort-recall task. IQ was significantly correlated with measures of performance on the sort-recall task but not on the class-recall task. The results reflect the fact that the memory benefits associated with being an expert (here, elimination of IQ effects) are related to the greater knowledge the expert possesses and not to factors of motivation.
Our current environment is characterized by the omnipresence of food cues. The sight and smell of real foods, but also graphically depictions of appetizing foods, can guide our eating behavior, for example, by eliciting food craving and influencing food choice. The relevance of visual food cues on human information processing has been demonstrated by a growing body of studies employing food images across the disciplines of psychology, medicine, and neuroscience. However, currently used food image sets vary considerably across laboratories and image characteristics (contrast, brightness, etc.) and food composition (calories, macronutrients, etc.) are often unspecified. These factors might have contributed to some of the inconsistencies of this research. To remedy this, we developed food-pics, a picture database comprising 568 food images and 315 non-food images along with detailed meta-data. A total of N = 1988 individuals with large variance in age and weight from German speaking countries and North America provided normative ratings of valence, arousal, palatability, desire to eat, recognizability and visual complexity. Furthermore, data on macronutrients (g), energy density (kcal), and physical image characteristics (color composition, contrast, brightness, size, complexity) are provided. The food-pics image database is freely available under the creative commons license with the hope that the set will facilitate standardization and comparability across studies and advance experimental research on the determinants of eating behavior. Read F
Hintergrund: Depressionen zählen zu den häufigsten psychischen Erkrankungen. Depressive Symptome umfassen beeinträchtigte kognitive Funktionen, vegetative Beschwerden und ein verändertes emotionales Erleben. Die defizitäre Wahrnehmung interner körperlicher Signale wird sowohl mit der Pathogenese der Depression als auch mit Angststörungen in Verbindung gebracht. Interozeptive Genauigkeit (IAc) beschreibt dabei die Fähigkeit, körperliche Empfindungen wie den eigenen Herzschlag akkurat wahrzunehmen und wird mit einer Herzwahrnehmungsaufgabe erfasst. In bildgebenden Verfahren wie der funktionellen Magnetresonanztomografie (fMRT) war eine niedrigere IAc mit einer verringerten Inselaktivität assoziiert. Während der Ruhezustandsmessung des Gehirns (resting-state fMRT) kann in Abwesenheit einer Aufgabe die intrinsische Aktivität des Gehirns gemessen werden. Dies ermöglicht die Identifizierung von kortikalen Netzwerken. Depressive Patienten weisen eine veränderte funktionelle Konnektivität innerhalb und zwischen einzelnen Netzwerken wie dem Salience Network (SN), welchem die Insel zugerechnet wird, und dem Default Mode Network (DMN) auf. Bisherige Studien, in denen überwiegend jüngere depressive Patienten untersucht wurden, kamen jedoch hinsichtlich der IAc und den kortikalen Netzwerken zu inkonsistenten Ergebnissen. Insbesondere ist unklar, inwieweit sich die IAc nach einem Therapieansprechen verändert, von der Herzratenvariabilität (HRV) moduliert wird und welche Auswirkungen dies auf die funktionelle Konnektivität kortikaler Netzwerke hat.
Ziele: Eine veränderte IAc und HRV wie auch funktionelle Konnektivitätsunterschiede im DMN und SN könnten Biomarker der Depression darstellen. Im Rahmen einer Längsschnittuntersuchung wurde getestet, ob ältere depressive Patienten über eine verringerte IAc, eine geringere HRV und über eine veränderte funktionelle Konnektivität im SN sowie DMN verfügen. Darüber hinaus sollte erforscht werden, in welchem Ausmaß sich Patienten, die auf die Behandlung ansprachen (Responder), von sogenannten Non-Respondern in Bezug auf die IAc, die HRV, das SN und das DMN unterschieden.
Methoden: In Studie 1 (Baseline) wurden 30 größtenteils medizierte, schwer depressive Patienten (> 50 Jahre) und 30 gesunde Kontrollprobanden untersucht. Die IAc wurde in einer Herzwahrnehmungsaufgabe ermittelt und die HRV bestimmt. Zusätzlich wurde eine resting-state fMRT durchgeführt. Eine funktionelle Konnektivitätsanalyse für Saatregionen im SN und DMN wurde mit einem saatbasierten Ansatz (seed-to-voxel) durchgeführt. Für eine Subgruppenanalyse wurde die Patientengruppe in ängstlich-depressive und nicht-ängstlich depressive Patienten unterteilt.
In Studie 2 (sechs Monate Follow-up) wurde die Studienkohorte nochmals untersucht. Es nahmen 21 Personen der Patientengruppe und 28 Probanden der Kontrollgruppe teil. Wiederum wurden die IAc und die HRV bestimmt. Außerdem fand eine resting-state fMRT-Messung statt. Die Patientengruppe wurde unterteilt in depressive Responder und Non-Responder.
Ergebnisse: In Studie 1 zeigten depressive Patienten eine funktionelle Hypokonnektivität zwischen einzelnen Saatregionen der Insel (SN) und Teilen des superioren frontalen Gyrus, des supplementärmotorischen Cortex, des lateralen okzipitalen Cortex sowie des Okzipitalpols. Zudem wiesen depressive Patienten zwischen der Saatregion im anterioren Teil des DMN und der Insel sowie dem Operculum eine erhöhte funktionelle Konnektivität auf. Die Gruppen unterschieden sich nicht in der IAc und der HRV. Ängstlich-depressive Patienten zeigten eine höhere funktionelle Konnektivität innerhalb der Insel als nicht-ängstlich depressive Patienten, jedoch zeigten sich keine Unterschiede in der IAc und der HRV.
In Studie 2 wiesen depressive Non-Responder im Vergleich zu Respondern eine Hyperkonnektivität zwischen dem posterioren DMN und dem Frontalpol sowie zwischen dem posterioren DMN und temporalen Arealen im SN auf. Keine funktionellen Konnektivitätsunterschiede zeigten sich für die Saatregionen im SN. Depressive Responder, Non-Responder und die Kontrollprobanden unterschieden sich in ihrer IAc und HRV nicht.
Schlussfolgerungen: Die Ergebnisse der Studien unterstreichen, dass bei depressiven Patienten, Respondern und Non-Respondern Unterschiede in der intrinsischen Gehirnaktivität funktioneller Netzwerke bestehen, jedoch nicht in der akkuraten Wahrnehmung des eigenen Herzschlages und der HRV. Therapeutische Interventionen, die auf eine Verbesserung der IAc abzielen, könnten insbesondere für Non-Responder dennoch eine zusätzliche Behandlungsmöglichkeit darstellen. Für eine personalisierte Medizin könnte die weitere Erforschung von kortikalen Netzwerken einen wesentlichen Beitrag leisten, um ein individuelles Therapieansprechen zu prädizieren.
Disorder-relevant but task-unrelated stimuli impair cognitive performance in social anxiety disorder (SAD); however, time course and neural correlates of emotional interference are unknown. The present study investigated time course and neural basis of emotional interference in SAD using event-related functional magnetic resonance imaging (fMRI). Patients with SAD and healthy controls performed an emotional stroop task which allowed examining interference effects on the current and the succeeding trial. Reaction time data showed an emotional interference effect in the current trial, but not the succeeding trial, specifically in SAD. FMRI data showed greater activation in the left amygdala, bilateral insula, medial prefrontal cortex (mPFC), dorsal anterior cingulate cortex (ACC), and left opercular part of the inferior frontal gyrus during emotional interference of the current trial in SAD patients. Furthermore, we found a positive correlation between patients' interference scores and activation in the mPFC, dorsal ACC and left angular/supramarginal gyrus. Taken together, results indicate a network of brain regions comprising amygdala, insula, mPFC, ACC, and areas strongly involved in language processing during the processing of task-unrelated threat in SAD. However, specifically the activation in mPFC, dorsal ACC, and left angular/supramarginal gyrus is associated with the strength of the interference effect, suggesting a cognitive network model of attentional bias in SAD. This probably comprises exceeded allocation of attentional resources to disorder-related information of the presented stimuli and increased self-referential and semantic processing of threat words in SAD.
Previous studies of social phobia have reported an increased vigilance to social threat cues but also an avoidance of socially relevant stimuli such as eye gaze. The primary aim of this study was to examine attentional mechanisms relevant for perceiving social cues by means of abnormalities in scanning of facial features in patients with social phobia. In two novel experimental paradigms, patients with social phobia and healthy controls matched on age, gender and education were compared regarding their gazing behavior towards facial cues. The first experiment was an emotion classification paradigm which allowed for differentiating reflexive attentional shifts from sustained attention towards diagnostically relevant facial features. In the second experiment, attentional orienting by gaze direction was assessed in a gaze-cueing paradigm in which non-predictive gaze cues shifted attention towards or away from subsequently presented targets. We found that patients as compared to controls reflexively oriented their attention more frequently towards the eyes of emotional faces in the emotion classification paradigm. This initial hypervigilance for the eye region was observed at very early attentional stages when faces were presented for 150 ms, and persisted when facial stimuli were shown for 3 s. Moreover, a delayed attentional orienting into the direction of eye gaze was observed in individuals with social phobia suggesting a differential time course of eye gaze processing in patients and controls. Our findings suggest that basic mechanisms of early attentional exploration of social cues are biased in social phobia and might contribute to the development and maintenance of the disorder.
A MODEL of good information processing is sketched, describing how metacognitive knowledge influences strategy selection and use. Three factors pose particular problems for learning disabled students as they attempt to acquire metacognitive knowledge and to use study strategies productively: neurological impairments; deficiencies in general world knowledge; and negative beliefs, attitudes, and styles that limit self-efficacy. Creating an educational atmosphere that explicitly builds conceptual (domain-specific) knowledge and teaches positive beliefs about learning potential is essential in promoting metacognitively-oriented instruction.
Conflicts between avoiding feared stimuli versus approaching them for competing rewards are essential for functional behavior and anxious psychopathology. Yet, little is known about the underlying decision process. We examined approach-avoidance decisions and their temporal dynamics when avoiding Pavlovian fear stimuli conflicted with gaining rewards. First, a formerly neutral stimulus (CS+) was repeatedly paired with an aversive stimulus (US) to establish Pavlovian fear. Another stimulus (CS−) was never paired with the US. A control group received neutral tones instead of aversive USs. Next, in each of 324 trials, participants chose between a CS−/low reward and a CS+/high reward option. For the latter, probability of CS+ presentation (Pavlovian fear information) and reward magnitude (reward information) varied. Computer mouse movements were tracked to capture the decision dynamics. Although no more USs occurred, pronounced and persistent costly avoidance of the Pavlovian fear CS+ was found. Time-continuous multiple regression of movement trajectories revealed a stronger and faster impact of Pavlovian fear compared to reward information during decision-making. The impact of fear information, but not reward information, modestly decreased across trials. These findings suggest a persistently stronger weighting of fear compared to reward information during approach-avoidance decisions, which may facilitate the development of pathological avoidance.
The effects of 19 meals of different caloric content on slides on palatability and hypothetical duration of consumption were investigated in 7 patients with anorexia nervosa, 17 patients with bulimia nervosa at the beginning and after 8 weeks of hospital treatment. Nine healthy females served as controls. At the beginning of treatment, palatability of low caloric food was significantly higher and hypothetical duration of consumption of high caloric food was significantly longer in patients when compared to controls. After 8 weeks, in the patients palatability of low caloric food had decreased. Dislike for high caloric food remained stable in anorexics.
Brain computer interfaces based on sensorimotor rhythms modulation (SMR-BCIs) allow people to emit commands to an interface by imagining right hand, left hand or feet movements. The neurophysiological activation associated with those specific mental imageries can be measured by electroencephalography and detected by machine learning algorithms. Improvements for SMR-BCI accuracy in the last 30 years seem to have reached a limit. The currrent main issue with SMR-BCIs is that between 15% to 30% cannot use the BCI, called the "BCI inefficiency" issue. Alternatively to hardware and software improvements, investigating the individual characteristics of the BCI users has became an interesting approach to overcome BCI inefficiency. In this dissertation, I reviewed existing literature concerning the individual sources of variation in SMR-BCI accuracy and identified generic individual characteristics. In the empirical investigation, attention and motor dexterity predictors for SMR-BCI performance were implemented into a trainings that would manipulate those predictors and lead to higher SMR-BCI accuracy. Those predictors were identified by Hammer et al. (2012) as the ability to concentrate (associated with relaxation levels) and "mean error duration" in a two-hand visuo-motor coordination task (VMC). Prior to a SMR-BCI session, a total of n=154 participants in two locations took part of 23 min sessions of either Jacobson’s Progressive Muscle Relaxation session (PMR), a VMC session, or a control group (CG). No effect of PMR or VMC manipulation was found, but the manipulation checks did not consistently confirm whether PMR had an effect of relaxation levels and VMC on "mean error duration". In this first study, correlations between relaxation levels or "mean error duration" and accuracy were found but not in both locations. A second study, involving n=39 participants intensified the training in four sessions on four consecutive days or either PMR, VMC or CG. The effect or manipulation was assessed for in terms of a causal relationship by using a PRE-POST study design. The manipulation checks of this second study validated the positive effect of training on both relaxation and "mean error duration". But the manipulation did not yield a specific effect on BCI accuracy. The predictors were not found again, displaying the instability of relaxation levels and "mean error duration" in being associated with BCI performance. An effect of time on BCI accuracy was found, and a correlation between State Mindfulness Scale and accuracy were reported. Results indicated that a short training of PMR or VMC were insufficient in increasing SMR-BCI accuracy. This study contrasted with studies succeeding in increasing SMR-BCI accuracy Tan et al. (2009, 2014), by the shortness of its training and the relaxation training that did not include mindfulness. It also contrasted by its manipulation checks and its comprehensive experimental approach that attempted to replicate existing predictors or correlates for SMR-BCI accuracy. The prediction of BCI accuracy by individual characteristics is receiving increased attention, but requires replication studies and a comprehensive approach, to contribute to the growing base of evidence of predictors for SMR-BCI accuracy. While short PMR and VMC trainings could not yield an effect on BCI performance, mindfulness meditation training might be beneficial for SMR-BCI accuracy. Moreover, it could be implemented for people in the locked-in-syndrome, allowing to reach the end-users that are the most in need for improvements in BCI performance.
Ziele. Die Zielsetzung der vorliegenden Arbeit war eine Bewertung der Versorgungslage von Personen mit glücksspielbezogenen Problemen in Deutschland. Dabei wurden 1) der Zugang zum Versorgungssystem, nämlich 1.1) Problembewusstsein bzgl. glücksspielbezogener Probleme und Erreichbarkeit von Glücksspielern über das Internet und 1.2) Faktoren der Inanspruchnahme von Hilfsangeboten untersucht sowie 1.3) eine Charakterisierung der Klientel in ambulanten Suchthilfeeinrichtungen und deren Zugang zum Hilfesystem vorgenommen. Zudem wurden in ambulanten Suchthilfeeinrichtungen 2) die erbrachten Leistungen für Personen mit glücksspielbezogenen Problemen und Einflussfaktoren auf die Versorgungsnutzung bzw. den Behandlungsverlauf sowie 3) das Behandlungsergebnis einer Analyse unterzogen.
Methodik. Die Arbeit basiert auf drei Studien: einer Onlinestudie (OS), einer Versorgungsstudie (VS) und einer Bevölkerungsstudie (BS). In der OS wurde eine Gelegenheitsstichprobe von Personen, die einen im Internet bereitgestellten Selbsttest zu pathologischem Glücksspielen (PG) vollständig ausfüllten (n=277) und bei Erfüllen der Einschlusskriterien anschließend an einer vertiefenden Studie teilnahmen (n=52), hinsichtlich soziodemographischer Charakteristika, Spielverhalten und spielbezogener Motive, PG inklusive Folgen, Beratungserfahrungen sowie psychopathologischen Variablen untersucht. In den anderen Studien wurden weitestgehend dieselben Instrumente verwendet. Die VS war eine Verlaufsstudie (Messzeitpunkte: Behandlungsbeginn und -ende), bei der konsekutiv Klienten aus n=36 ambulanten Suchthilfeeinrichtungen in Bayern aufgenommen wurden, die sich zwischen April 2009 und August 2010 vorstellten (n=461). Für die BS wurden Daten aus dem Epidemiologi-schen Suchtsurvey 2006 und 2009 herangezogen, einer Deutschland weiten repräsentativen Querschnittbefragung 18- bis 64-Jähriger Erwachsener (2006: n=7.810; 2009: n=8.002).
Ergebnisse. Zum Zugang zur Versorgung sind 1.1) über das Internet erreichbare Glücksspieler hauptsächlich junge, ledige Männer, von denen ungefähr die Hälfte die Diagnose PG erfüllen. Anhand der Spielmotive lassen sich drei Spielerklassen abbilden, die sich hinsichtlich ihres Schweregrads von PG unterschieden. Die Bereitschaft zur Teilnahme an einem Online-Präventionsprogramm hängt hauptsächlich mit der Anzahl erfüllter DSM-IV-Kriterien für PG zusammen. Im Gegensatz zur VS sind die online erreichten Glücksspieler jünger und zu einem höheren Anteil subklinisch pathologische Glücksspieler (SPG, ein bis vier erfüllte DSM-IV-Kriterien für PG). 1.2) Hinsichtlich der Faktoren der Inanspruchnahme bestätigen sich systematische Unterschiede zwischen Glücksspielern in Behandlung und nicht in Behandlung. Ebenso zeigen sich Unterschiede zwischen SPGr und pathologischen Glücksspielern (PGr). Dabei ist die Anzahl erfüllter DSM-IV-Kriterien für PG der wichtigste Prädiktor für einen positiven Behandlungsstatus. Auch soziodemographische Merkmale, insbesondere Alter und Staatsangehörigkeit, spielen eine Rolle. 1.3) Die Mehrheit der Klienten in ambulanten Suchthilfeeinrichtungen ist männlich, durchschnittlich 37 Jahre alt, ledig und kinderlos und hat häufig eine ausländische Staatsbürgerschaft. Die am häufigsten gespielte und bevorzugte Spielform ist das Spielen an Geldspielautomaten. Viele der Klienten haben bereits im Vorfeld Hilfe in Anspruch genommen und Gründe für die Vorstellung in der Beratungsstelle waren in ungefähr drei Viertel der Fällen finanzielle Probleme und bei ungefähr der Hälfte Probleme in der Partnerschaft. In der ambulanten Suchthilfe sind 2) Prädiktoren für eine längere Kontaktdauer u.a. der Einbezug der Familie und Gruppengespräche. Behandlungsabbrüche werden u.a. durch eine nicht-deutsche Staatsbürgerschaft und höhere Spielfrequenz vorhergesagt. 3) Reguläre Beendigung und höhere Kontaktzahl sind u.a. Prädiktoren für eine Verbesserung der Glücksspielsymptomatik.
Schlussfolgerungen. Vor dem Hintergrund der Ergebnisse werden Implikationen für die Weiterentwicklung des Versorgungssystems zum einen im Sinne einer Erweiterung und Anpassung der Versorgungsstrukturen abgeleitet, wobei auf Information und Aufklärung, Früherkennung und Frühintervention mit einem Fokus auf Online-Angeboten sowie zielgruppen-spezifische Angebote unter anderem für Angehörige eingegangen wird. Auch die Wichtigkeit der Vernetzung verschiedener an der Beratung/Behandlung von PGr beteiligten Einrichtungen wird herausgestellt. Zum anderen beziehen sich die diskutierten möglichen Weiterentwicklungen auf das Versorgungsangebot und Behandlungsmerkmale, was Therapieumfeld/-voraussetzungen, Therapieplanung sowie therapeutische Maßnahmen beinhaltet.
Purpose of Review
This article provides an overview of current findings on Theory of Mind (ToM) in human children and adults and highlights the relationship between task specifications and their outcome in socio-cognitive research.
Recent Findings
ToM, the capacity to reason about and infer others’ mental states, develops progressively throughout childhood—the exact time course is still a matter of debate. Neuroimaging studies indicate the involvement of a widespread neuronal network during mentalizing, suggesting that ToM is a multifaceted process. Accordingly, the tasks and trainings that currently exist to investigate and enhance ToM are heterogeneous, and the outcomes largely depend on the paradigm that was used.
Summary
We argue for the implementation of multiple-task batteries in the assessment of socio-cognitive abilities. Decisions for a particular paradigm need to be carefully considered and justified. We want to emphasize the importance of targeted research on the relationship between task specifications and outcomes.
Human attention is strongly attracted by direct gaze and sudden onset motion. The sudden direct-gaze effect refers to the processing advantage for targets appearing on peripheral faces that suddenly establish eye contact. Here, we investigate the necessity of social information for attention capture by (sudden onset) ostensive cues. Six experiments involving 204 participants applied (1) naturalistic faces, (2) arrows, (3) schematic eyes, (4) naturalistic eyes, or schematic facial configurations (5) without or (6) with head turn to an attention-capture paradigm. Trials started with two stimuli oriented towards the observer and two stimuli pointing into the periphery. Simultaneous to target presentation, one direct stimulus changed to averted and one averted stimulus changed to direct, yielding a 2 × 2 factorial design with direction and motion cues being absent or present. We replicated the (sudden) direct-gaze effect for photographic faces, but found no corresponding effects in Experiments 2-6. Hence, a holistic and socially meaningful facial context seems vital for attention capture by direct gaze. STATEMENT OF SIGNIFICANCE: The present study highlights the significance of context information for social attention. Our findings demonstrate that the direct-gaze effect, that is, the prioritization of direct gaze over averted gaze, critically relies on the presentation of a meaningful holistic and naturalistic facial context. This pattern of results is evidence in favor of early effects of surrounding social information on attention capture by direct gaze.
Empathy and Theory of Mind (ToM) are two core components of social understanding. The EmpaToM is a validated social video task that allows for independent manipulation and assessment of the two capacities. First applications revealed that empathy and ToM are dissociable constructs on a neuronal as well as on a behavioral level. As the EmpaToM has been designed for the assessment of social understanding in adults, it has a high degree of complexity and comprises topics that are inadequate for minors. For this reason, we designed a new version of the EmpaToM that is especially suited to measure empathy and ToM in youths. In experiment 1, we successfully validated the EmpaToM-Y on the original EmpaToM in an adult sample (N = 61), revealing a similar pattern of results across tasks and strong correlations of all constructs. As intended, the performance measure for ToM and the control condition of the EmpaToM-Y showed reduced difficulty. In experiment 2, we tested the feasibility of the EmpaToM-Y in a group of teenagers (N = 36). Results indicate a reliable empathy induction and higher demands of ToM questions for adolescents. We provide a promising task for future research targeting inter-individual variability of socio-cognitive and socio-affective capacities as well as their precursors and outcomes in healthy minors and clinical populations.
At present, there is a lack of longitudinal studies on the psychological adjustment of both children and adolescents with 22q11.2 deletion syndrome (22q11.2DS) and their primary caregivers. To fill this gap, we performed a four-year follow-up study. Mothers filled out the Child Behavior Checklist 4–18, the Social Orientation of Parents with Handicapped Children questionnaire to assess maternal stress and coping strategies, and the Freiburger Personality Inventory-Revised — subscales strain and life satisfaction. Fifty-five subjects with 22q11.2DS (26 males and 29 females; age: M = 10.79 years, SD = 3.56 years) and their biological mothers (age: M = 40.84 years, SD = 4.68 years) were included in this study. Significantly higher levels of behavior problems than in the general population and an increase in these problems, especially internalizing ones, over time could be found. In contrast, maternal stress did not change significantly over time, but mothers demonstrated increased levels of strain and reduced life satisfaction at T2. Thus, careful monitoring as well as early and adequate interventions, if indicated, should be offered to families with a child with 22q11.2DS, not only for somatic complaints but also for problems with psychological adjustment.