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Effects of neonatal handling on play behavior and fear towards a predator odor in juvenile rats (rattus norvegicus)
2008
Journal of Comparative Psychology
The effects of brief daily separation, also known as "handling," during the first 2 weeks of life on play behavior and fearfulness toward a predatory odor were assessed in juvenile rats. Handled rats were more playful than nonhandled control rats, and while handling had no effect on the direct response of these rats toward a predatory odor, handled rats did not exhibit a conditioned suppression of play when tested later in the same context where they had been exposed to the predatory odor.
doi:10.1037/0735-7036.122.1.1
pmid:18298275
fatcat:adk5zsof5fg2pecmyfzzyxyrtq