Category: N

  • Nicotine-related disorders

    In dsm-iv-tr, a group of mental disorders that includes nicotine dependence and nicotine withdrawal.  

  • Neurotic process

    A specific etiological process involving the following sequence: unconscious conflicts between opposing wishes or between wishes and prohibitions lead to unconscious perception of anticipated danger or dysphoria, which leads to use of defense mechanisms that result in either symptoms, personality disturbance, or both.  

  • Neuroticism

    An enduring tendency to experience negative emotional states. Individuals who score high on measures of neuroticism are more likely than the average person to experience such feelings as anxiety, anger, guilt, and depression. They respond more poorly to environmental stress and are more likely to interpret ordinary situations as threatening and minor frustrations as hopelessly…

  • Neurotic disorder

    An older term for a mental disorder in which the predominant disturbance is a distressing symptom or group of symptoms that one considers unacceptable to one’s personality. There is no marked loss of reality testing; behavior does not actively violate social norms, although it may be quite disabling. The disturbance is relatively enduring or recurrent…

  • Neurosis

    An older term for emotional disturbances of all kinds other than psychosis. It implies subjective psychological pain or discomfort beyond what is appropriate to the conditions of one’s life. The meaning of the term has changed since it was first introduced into standard nomenclature. In regard to current usage, some clinicians limit the term to…

  • Neuroscience

    The study of brain function and the neural substrates of behavior. This interdisciplinary field includes investigation in areas such as anatomy, genetics, biochemistry, psychiatry, and computer science. Any one of the various branches of science (e.g., embryology, anatomy, physiology, histopathology, biochemistry, pharmacology) concerned with the growth, development, and function of the nervous system.  

  • Neuroreceptors

    Binding sites in the central nervous system (CNS) for psychoactive drugs, neurotransmitters, and hormones.  

  • Neuropsychological testing

    A series of tests administered to assess various aspects of cognitive functioning, including memory, attention, language, and executive functioning. The ultimate goal of the assessment is to clarify how changes in brain structure and function are affecting behavior. The administration of a set of standardized tests to examine the relationship between the brain and behavior.…

  • Neuropsychiatry

    The medical specialty that combines neurology and psychiatry, emphasizing the somatic substructure on which emotions are based and the organic disturbances of the central nervous system (CNS) that give rise to mental disorders. The scientific discipline concerned with the diagnosis, treatment, and prevention of all psychiatric disorders. The study of mental and nervous disorders. The…

  • Neurophysiology

    The study of the relation between the structure of the nervous system and its function. The physiology of the nervous system neurophysiological. The study of the complex chemical and physical changes that are associated with the activity of the nervous system. The examination of the nervous system’s physiological functions.