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The Physiological and Behavioral Effects of Radio Music on Singly Housed Baboons

The response of four singly caged baboons to radio music was measured using behavioral and physiological indices. Heart rate and blood pressure, measured through a tether system, as well as behavior, were recorded during a two‐week period in which radio music was available in half of the samples. The behavior of the subjects, as well as their blood pressure, did not vary in relation to radio music. Heart rate was significantly lower when the radio was on.

Effects of Training on Stress-Related Behavior of the Common Marmoset (Callithrix jacchus) in Relation to Coping With Routine Husbandry Procedures

Using positive reinforcement, J. McKinley trained 12 common marmosets(Callithrix jacchus) to provide urine samples on request. The study then exposed the marmosets to mildly stressful, routine husbandry procedures (i.e., capture and weighing). The nonhuman animals spent less time inactive poststressor as opposed to prestressor. L. Bassett collected matched behavioral data from 12 nontrained marmosets who were less accustomed to human interaction. These animals spent significantly more time self-scratching and locomoting as well as less time inactive, poststressor.

Similarities in Affiliation and Aggression between Cross-Fostered Rhesus Macaque Females and Their Biological Mothers

n female-bonded primate species, there is cross-gene rational
consistency in female affiliative and aggressive behavior. This consistency could
be the result of maternal effects, offspring learning, shared environment, and/or direct genetic inheritance of behavioral or psychological traits. In this study, I investigated possible similarities in affiliation and aggression between cross-fostered rhesus macaque females and their biological mothers. Ten female infants were cross-fostered at birth, and selected aspects of their affiliative and agonistic behavior over the course of their first 3 years of life were compared to the behavior of their foster and biological mothers.
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