Category: A

Apprehension, tension, or uneasiness from anticipation of danger, the source of which is largely unknown or unrecognized. Primarily of intrapsychic origin, in distinction to fear, which is the emotional response to a consciously recognized and usually external threat or danger. May be regarded as pathological when it interferes with social and occupational functioning, achievement of…

A neuropsychological syndrome derived from defects in visual perception. Injury to both occipital lobes results in a state of cortical blindness. The patient is unable to process visual information and behaves in a fashion similar to someone who has experienced blindness due to traumatic injury to the eye. However, some patients deny their blindness and…

Conduct indicating indifference to another’s person or property; criminal behavior, dishonesty, or abuse are examples. In dsm-iv-tr, childhood or adolescent antisocial behavior and adult antisocial behavior (in contrast to antisocial personality disorder) are included as “other conditions that may be a focus of clinical attention.”  

The use of antiretroviral medications to treat adult human immunodeficiency virus type 1 (HIV-1) infection.  

Neuroleptic; Medications that ameliorate or diminish the symptoms of psychosis. The older medications in this class (introduced in the 1950s) are referred to as conventional antipsychotics; the newer medications (available since the 1990s) are known as atypical antipsychotics. In addition to their antipsychotic effects, many antipsychotic medications (particularly the new-generation atypical antipsychotics) also have properties…

Medications that ameliorate the symptoms of parkinson’s disease. In psychiatry, these medications are used to treat the untoward parkinson-like and extrapyramidal symptoms (EPS) induced by antipsychotics, particularly the older conventional antipsychotics.  

Anticholinergic medications that selectively block nicotinic receptors.    

Anticholinergic medications that selectively block muscarinic receptors. An anticholinergic drug that affects the muscarinic type of receptor. Referring to a drug which blocks acetylcholine receptors found on smooth muscle in the gut and eye. Opposing the action of muscarine or agents that act like muscarinics. Atropine and scopolamine are antimuscarinic drugs.  

Interference with the action of acetylcholine in the brain and peripheral nervous system by any drug. In psychiatry, the term generally refers to the side effects of antipsychotic medications, tricyclic antidepressants, and antiparkinsonian medications. Common symptoms of anticholinergic effects include dry mouth, blurred vision, constipation, and decreased ability to urinate.  

Drugs that reduce the production or block the action (receptor antagonist) of testosterone. In psychiatry, antiandrogens are used to control repetitive, deviant sexual behaviors such as paraphilias and paraphilia-related disorders. These drugs also are commonly used in the treatment of prostate cancer. A substance that reduces levels of androgens (male hormones). Drugs that oppose the…