TY  - JOUR
A1  - Weyers, P.
A1  - Janke, W.
A1  - Macht, Michael
A1  - Weijers, H.-G.
T1  - Social and nonsocial open field behaviour of rats under light and noise stimulation
N2  - ln two experiments, male rats were observed in pairs under different environmental stimulations in an open field. ln Experiment 1, white noise of 85 dB(A) reduced social activities and increased defecation compared to 75 dB(A) and 65 dß(A). ln Experiment 2, the illumination of the open field was varied in addition to a variation of the noise intensity. Again, 85 dB(A) as compared to 50 dB(A) reduced social activities and increased defecation, but also led to changes in non-social behaviours such as sniffing, grooming, and rearing. ln contrast, 400 lx did not differ substantially in its effects from 40 lx in any of the observed behavioural categories. Altogether, the behaviour pattern under 85 dß(A) white noise cannot satisfactorily be explained only by increased anxiety or fear. Alternative explanations are discussed.
KW  - Psychologie
KW  - Social activity
KW  - Stress
KW  - Light stimulation
KW  - Noise stimulation
KW  - Environment
KW  - open field behaviour
KW  - Emotionality
KW  - Rat
Y1  - 1993
U6  - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:bvb:20-opus-61246
ER  -