is a clinicallyrecognizable set of symptoms or behaviours associated in most cases with distress and withinterference with personal functions

or those outward changes that indicatephysical maturation, but are not involved in reproduction

an individual’s consistent patterns of feeling, thinking, and behaving

The tendency to attribute personality characteristics to people on the basis oftheir external appearance or their social group memberships

 involves learning new information, and thus changing the schema

also know as clinical depression is a mentaldisorder characterized by significant distress or impairment in important areas of function

the physiological, behavioral, cognitive, and socialemotional changes that occur throughout human life, which are guided by both geneticpredispositions (nature) and environmental influences (nurture)

is a medical procedure designed to alleviate psychologicaldisorder in which electric currents are passed through the brain, deliberately triggering a briefseizure

which lasts from conception toimplantation in the uterine wall, approximately10-14 days

compares biologically related people, including twins, who have been rearedeither separately or apart