Examlex
Phylogenetic information is most useful for _______ species concept.
Obsessions
Persistent, unwanted thoughts that cause distress or anxiety.
Hallucinations
Conscious awareness of sensing something that isn't externally present, giving the impression of reality.
Compulsions
Repetitive behaviors or mental acts that a person feels driven to perform in response to an obsession or according to rules that must be rigidly applied.
DSM I
The first edition of the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association to standardize psychiatric diagnostic criteria.
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