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any type of attack behavior directed toward a potential predator in the aim of self-preservation. See animal aggression.

significant anxiety (e.g., generalized anxiety, panic attacks, obsessions, and compulsions) that interferes with daily functioning, and is deemed to be caused directly by the...

refers to a major depressive episode accompanied by high levels of anxiety and fear.

n. a condition where the lens is missing from the eye, a condition that may either be congenital orarise as the result of disease,...

behavior influenced and directed by the presence of other people - although not directed toward them. This may manifest in boasting about one's...

the implicit knowledge that the appearance of an object does not necessarily correspond to the reality. For example, a sponge shaped like a rock...

research aimed toward answering a practical question, for example, a clinical question, rather than developing a theory or obtaining knowledge purely for its own...

motivation stemming from the expectation or desiring of a reward, which is a condition for goal-directed behavior.

Common abbreviation for the American Psychoanalytic Association.

refers to the presumed phylogenetic influences inherent in the development of the individual