Category: A

One of the negative symptoms of schizophrenia, characterized by lack of interest, passivity, and loss of drive.  

A dissociative episode characterized by a period of brooding followed by outbursts of aggressive, violent, homicidal behaviors. The episode tends to be precipitated by a perceived slight or insult and seems to be more prevalent among males. The episode is often accompanied by persecutory ideas, automatism, amnesia, exhaustion, and a return to premorbid state following…

An older sedative-hypnotic from the class of medications called barbiturates that is now seldom used in clinical practice, in part because of its lethality in overdose and its high likelihood for abuse and dependence. A barbiturate sedative-hypnotic. Barbiturate drug with sedative-hypnotic effects used for the relief of insomnia and as an anticonvulsant; commonly known as…

A mental disorder characterized by impairment of memory. The person is unable to learn new information and to recall previously learned knowledge. It is termed transient if impairment lasts for 1 month or less or chronic if impairment lasts for more than 1 month. Amnestic disorder may be substance induced or due to a general…

Pathological loss of memory; a phenomenon in which anarea of experience becomes inaccessible to conscious recall. The memory loss may be of organic, emotional, dissociative, or mixed etiology and may be permanent or limited to a sharply circumscribed time. Two types are distinguished: a) anterograde amnesia: The inability to form new memories for events following…

One of the first tricyclic antidepressant medications, It is currently used primarily to treat mild insomnia and pain symptoms. Now available only as generic but may still be known by the Discontinued brand names Elavil and Endep. A heterocyclic antidepressant. A sedative drug used to treat depression and persistent pain. Drug used to treat depression.…

Organic compounds containing an amino group (−NH2); of special importance in neurochemistry because of their role as neurotransmitters. Dopamine, epinephrine, norepinephrine, and serotonin are amines. Formed by the decarboxylation of amino acids. Three are potentially important in foods: phenylethylamine (formed from phenylalanine), tyramine (from tyrosine), and tryptamine (from tryptophan) because they stimulate the sympathetic nervous…

A disorder of language characterized by an inability to make gestures or to understand the significance of gestures. Inability to express ideas by signs or gestures. Loss of power to express ideas by signs or gestures.  

The leading national professional organization in the United States for physicians who specialize in PSYCHIATRY. Founded in 1844 as the Association of Medical Superintendents of American Institutions for the Insane, the association changed its name to the American Medico-Psychological Association in 1891 and adopted its present name in 1921. The association is governed by a…