Category: P

  • Ptomaines

    Decomposition products produced by bacterial action on proteins; popularly, but incorrectly believed to cause food poisoning. A group of nitrogenous substances produced in rotting food, which gives the food a special smell. Very poisonous organic compounds produced by microorganisms in spoiled foods. Breakdown product resulting from the action of various bacteria on proteins (usually of…

  • Psychotoxic drug

    Drugs that, depending upon dose level and mode of administration, can produce symptoms of psychosis, anxiety, or significant mood change.  

  • Psychotomimetic drug

    A drug that causes an altered state of consciousness that resembles that of psychosis.  

  • Psychotic symptoms

    Delusions, hallucinations, and exaggerated and distorted emotional behavior.  

  • Psychoticism

    In Eysenck’s theory of personality, a dimension referring to the degree of contact with reality. A dimension of personality derived from psychometric tests, which appears to indicate a degree of emotional coldness and some cognitive impairment. A supertrait in Eysenck’s model that broadly reflects traits often associated with nonconformity or social deviance.  

  • Psychotic experience

    An experience, often brought on by the use of hallucinogenic drugs, characterized by paranoia, confusion, and depression. A bad trip.  

  • Psychotic depressive reaction

    A psychosis characterized by depression and feelings of worth lessness.  

  • Psychotic breakdown

    A radical break with reality, characterized by a major disruption of consciousness, perception, thinking, and social behavior.  

  • Psychotic behavior

    Characterized by manifestations of delusions, hallucinations, and exaggerated emotional actions.  

  • Psychosocial system

    As defined by Masters and Johnson, the social, cultural, and psychological influences on sexual response.