Genetic factors predispose some individuals to have lower levels of some neurotransmitters and lower reactivity in neural regions that activate in response to positive emotional stimuli. In turn, these unobservable characteristics have been linked to the behavioral expressions that we classify as depression. In this case, neurotransmitter abnormalities and neural reactivity abnormalities are

Question

Quizplus · Accepted Answer

These characteristics are considered endophenotypes, which are biological markers that are associated with a specific disorder and can provide insight into the underlying genetic and neural mechanisms that contribute to that disorder.

Genetic Factors Predispose Some Individuals to Have Lower Levels of Some