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Mental Health Terms

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  • Narcissistic Personality Disorder

  • Persons with this personality disorder have severely overly inflated feelings of self-worth, grandiosity and superiority over others.

  • Narcosis

  • A state of stupor, often induced by drugs or other agents.

  • Negative symptoms

  • Most commonly refers to a group of symptoms characteristic of schizophrenia that include loss of fluency and spontaneity of verbal expression, impaired ability to focus or sustain attention on a particular task, difficulty in initiating or following through on tasks, impaired ability to experience pleasure to form emotional attachment to others, and blunted affect.

  • Negativism

  • Opposition or resistance, either covert or overt, to outside suggestions or advice. May be seen in schizophrenia.

  • Neologism

  • In psychiatry, a new word or condensed combination of several words coined by a person to express a highly complex idea not readily understood by others; seen in schizophrenia and organic mental disorders.

  • Nerve

  • A bundle of fibers that connect the brain and spinal cord with various parts of the body and through which impulses containing information pass.

  • Nervous breakdown

  • A nonmedical term sometimes used by the public to describe an episode of overwhelming distress or depression.

  • Neuron

  • A single nerve cell.

  • Neurotic disorder

  • A mental disorder in which the predominant disturbance is a distressing symptom or group of symptoms that one considers unacceptable and alien to one's personality. There is no marked loss of reality testing ; behavior does not actively violate gross social norms, although it may be quite disabling. The disturbance is relatively enduring or recurrent without treatment and is not limited to a mild transitory reaction to stress. There is no demonstrable organic etiology.

  • Neurotransmitters

  • In the brain these chemicals transfer messages from one nerve cell to another and affect mood.

  • New Generation Medications

  • Anti-psychotic medications which are new and atypical.

  • Nihilistic delusion

  • The delusion of nonexistence of the self or part of the self, or of some object in external reality.

  • Norepinephrine

  • A hormone that regulates blood pressure by causing blood vessels to narrow and the heart to beat faster.

  • Nystagmus

  • Involuntary rhythmic movements of the eyes that consist of small-amplitude~ rapid tremors in one direction and a larger, slower, recurrent sweep in the opposite direction. Nystagmus may be horizontal, vertical, or rotary.


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