| psychobiology | 1. The study of the interrelationships of the biology and psychology in cognitive functioning, including intellectual, memory, and related neurocognitive processes. 2. Adolf Meyer's term for psychiatry. (05 Mar 2000) |
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| psychocardiac reflex | A change in the circulatory rate and subjective heart consciousness (often "thumping") resulting from a memory of, or a subconscious dream state recollection of, an emotional impression or experience. (05 Mar 2000) |
| psychocatharsis | The release of ideas, thoughts, and repressed material from the unconscious, accompanied by an emotional response and relief. (12 Dec 1998) |
| psychochrome | A certain colour mentally conceived in response to a sense impression. See: psychochromesthesia. Origin: psycho-+ G. Chroma, colour (05 Mar 2000) |
| psychochromesthesia | A form of synesthesia in which a certain stimulus to one of the special organs of sense produces the mental image of a colour. See: photism, colour taste, pseudogeusesthesia. Origin: psycho-+ G. Chroma, colour, + aisthesis, sensation (05 Mar 2000) |
| psychodelic | A property of a drug or chemical which produces hallucinations or other bizarre aberrations in mental functioning. Synonym: hallucinogenic. (05 Mar 2000) |
| psychodiagnosis | 1. Any method used to discover the factors which underlie behaviour, especially malajusted or abnormal behaviour. 2. A subspecialty within clinical psychology that emphasizes the use of psychological tests and techniques for assessing psychopathology. (05 Mar 2000) |
| psychodidae | Small, hairy, moth-like, blood-sucking flies which are of considerable public health importance as vectors of certain pathogenic organisms. Important disease-related genera are phlebotomus, lutzomyia, and sergentomyia. (12 Dec 1998) |
| psychodometry | The measurement of the rapidity of mental action. Origin: psycho-+ G. Hodos, way, + metron, measure (05 Mar 2000) |
| psychodrama | Primarily a technique of group psychotherapy which involves a structure, directed, and dramatised acting out of the patient's personal and emotional problems. (12 Dec 1998) |
| psychodynamics | The systematised study and theory of the psychological forces that underlie human behaviour, emphasizing the interplay between unconscious and conscious motivation and the functional significance of emotion. See: role-playing. Origin: psycho-+ G. Dynamis, force (05 Mar 2000) |
| psychodysleptic drug | <pharmacology> A class of medications (for example LSD, marijuana, peyote, heroin, cocaine) that result in a distorted perception of reality. Often accompanied by hallucinations. (27 Sep 1997) |
| psychoendocrinology | Study of the interrelationships between endocrine function and mental states. (05 Mar 2000) |
| psychoexploration | Study of the attitudes and emotional life of a person. (05 Mar 2000) |
| psychogalvanic | Relating to changes in electric properties of the skin; e.g., a change in skin resistance induced by psychologic stimulus. (05 Mar 2000) |