The disorder characterized by impairment in two key areas of development, including deficits in social interactions, communication with others, and repetitive patterns of behavior, is called

The________ phase of the sexual response cycle combines a psychological experience of pleasure and the physiological changes known as vasocongestion and myotonia.

Convergent evolution results in similar traits in unrelated species due to similar environmental pressures.

What defines a mammal? 

Borderline personality disorder is characterized by hypersensitivity to

Sundowning is a term used to indicate that

The DSM-IV-TR had a classification for both autism spectrum disorder (ASD) and Asperger’s disorder, arguing that in the latter,

All viruses contain both DNA and RNA.

________ cycles of mania and depression within a year lead to a diagnosis of rapid cycling bipolar I disorder.

Delusions are to ________ as hallucinations are to ________.