Abstract:
:The effect of infantile handling stimulation on exploratory and emotional behavior of Roman high- and low-avoidance (RHA/Verh and RLA/Verh) weanling rats was investigated. Postnatally handled and nonhandled, 4-week-old males and females from both psychogenetically selected lines were exposed to a hexagonal tunnel maze, including an illuminated central arena. Postnatal handling increased exploratory behavior and decreased emotional reactivity as expressed by increased entries into the central arena and a reduction in defecations in both lines of rats. These effects were more pronounced in the RLA/Verh rats. In agreement with earlier studies using nonselected adult rats, the females of both lines (especially those from the RHA/Verh line) were more sensitive than males to the positive influences of early stimulation.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
Fernández-Teruel A,Escorihuela RM,Driscoll P,Tobeña A,Bättig Kdoi
10.1016/0031-9384(91)90546-zsubject
Has Abstractpub_date
1991-09-01 00:00:00pages
563-5issue
3eissn
0031-9384issn
1873-507Xpii
0031-9384(91)90546-Zjournal_volume
50pub_type
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