"A physical wound or internal injury to the brain" defines a(n) ____

Some evolutionary psychologists explain altruistic behavior towards individuals that we are not directly related to by noting that altruism towards nongenetic relatives will possibly be returned in the future. This concept is known as

A) diffusion of responsibility. B) the social responsibility norm. C) kin selection. D) reciprocal altruism.

Mom leaves Joey at the day care center; he goes into a fit of rage at being left behind. At the same time, he feels love for Mom. According to the psychodynamic perspective, Joey is at risk for what disorder later in life?

a) fugue b) anxiety c) depression d) schizophrenia