Noxious stimulation in infant and adult rats and consummatory behavior.

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Abstract
Rats were given various treatments in infancy to determine the effect of infantile experience on consummatory behavior in adulthood. The 2 experimental groups consisted of Ss shocked in infancy and Ss given similar treatment without shock. A control group received no handling. The groups were then split and half received shock trials and half did not. Water intake was measured directly following the last trial on each day. The results indicated that nonhandled Ss were more profoundly affected by stress in adulthood. This was interpreted as indicating these Ss were more susceptible to emotional disturbance due to the lack of stimulation during infancy.

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