Author: Glossary

  • Personality disorders

    Enduring patterns of perceiving, relating to, and thinking about the environment and oneself that begin by early adulthood and are exhibited in a wide range of important social and personal contexts. These patterns are inflexible and maladaptive, causing either significant functional impairment or subjective distress. Many types of personality or personality disorders have been described.…

  • Personality change

    Alterations in characteristic patterns of relating to the environment and the self that occur from social, psychological, or physical stressors such as having catastrophic experiences, having a mental disorder, or having a general medical condition (e.g., brain trauma). The personality shows a definite change from the preexisting personality; in children, there is a significant change…

  • Personality

    The characteristic way in which a person thinks, feels, and behaves; the ingrained pattern of behavior that each person evolves, both consciously and unconsciously, as his or her style of life or way of being in adapting to the environment. The basic organization of a person’s characteristic adjustment to the environment. All the characteristics which…

  • Persona

    In Jungian theory (Carl Gustav Jung, 1875–1961), the personality mask or facade that each person presents to the outside world, as distinguished from the person’s inner being, or anima (animus). The mask or face a person presents to others. In psychology, the personality role that a person assumes and presents to the world. The attitude…

  • Perseveration

    Tendency to emit the same verbal or motor response again and again to varied stimuli. Persistent continuation of a line of thought or activity. The act of repeating actions or words without-any stimulus. Perseveration is defined as the involuntary and pathological persistence of the same verbal response or motor activity regardless of the stimulus or…

  • Perphenazine–amitriptyline combination

    A compound medication—consisting of perphenazine (a conventional antipsychotic) and amitriptyline (a tricyclic antidepressant)—used to treat anxiety, agitation, and depression. Now available only as generic but may still be known by the discontinued brand names etrafon and triavil.  

  • Perphenazine

    A conventional antipsychotic medication (a phenothiazine of the piperazine class) used to treat schizophrenia and other psychotic disorders. Now available only as generic but may still be known by the discontinued brand name trilafon. An antipsychotic drug. Tranquilizer and antidepressant used to treat some types of depression, anxiety, and agitation; it is also an antiemetic,…

  • Permax

    Former brand name for the withdrawn antiparkinsonian Drug pergolide.  

  • Periaqueductal gray area

    A cluster of neurons lying in the thalamus and pons. It contains endorphin-producing neurons and opioid receptor sites and thus can affect the sensation of pain.  

  • Periactin

    Brand name (now discontinued) for cyproheptadine.