Research involving nonhuman primates (NHPs) has played a vital role in many of the
medical and scientific advances of the past century. NHPs are used because of their …

Variations in phenotype reflect the influence of environmental conditions during
development on cellular functions, including that of the genome. The recent integration of …

The author explores the viability of a comparative approach to personality research. A
review of the diverse animal-personality literature suggests that (a) most research uses trait …

Chinese tree shrews (Tupaia belangeri chinensis) possess many features valuable in
animals used as experimental models in biomedical research. Currently, there are …

Converging evidence indicates an association of the short (s), low-expressing variant of the
repeat length polymorphism, serotonin transporter-linked polymorphic region (5-HTTLPR) …

Stress is a risk factor for a variety of illnesses, ranging from auto-immune disorders to mental
illness. The pathways through which stressful events can promote the development of such …

Anxiety is a mental state that is elicited in anticipation of threat or potential threat. Sensations
of anxiety are a normal part of human experience, but excessive or inappropriate anxiety …

The highly evolutionarily conserved serotonin transporter (SERT) regulates the entire
serotoninergic system and its receptors via mod-ulation of extracellular fluid serotonin …

Nonhuman primates offer unique opportunities to study the effects of genes, environments,
and their interaction, on physiology and complex behavior. We examined genotype and …

The expression of aggressiveness, which constitutes many facets of behavior, is influenced
by a complex interaction of biologic, psychologic, and social variables. Even though …