Science / Psychiatry Glossary

Dysarthria: Imperfect articulation of speech due to disturbances of muscular control or in coordination.

Dysgeusia: Perversion of the sense of taste.

Dyskinesia: Distortion of voluntary movements with involuntary muscular activity.

Dyslexia: Inability or difficulty in reading, including word-blindness and a tendency to reverse letters and words in reading and writing.

Dysphoric Mood: An unpleasant mood, such as sadness, anxiety, or irritability.

Dyssomnia: Primary disorders of sleep or wakefulness characterized by insomnia or hypersomnia as the major presenting symptom. Dyssomnias are disorders of the amount, quality, or timing of sleep.

Dystonia: Disordered tonicity of muscles.

ECG: An ECG, or electrocardiogram is an electrical recording of the heart used in the investigation of heart disease.

Echolalia: automatic imitation of anothers speech.

Echopraxia: Repetition by imitation of the movements of another. The action is not a willed or voluntary one and has a semiautomatic and uncontrollable quality.

Ecstasy: feeling of intense rapture.

Ego: part of the mental apparatus that is present at the interface of the perceptual and internal demand systems. It controls voluntary thoughts and actions, and, at an unconscious level, defense . . . View Full Definition

Ego Ideal: The part of the personality that comprises the aims and goals for the self; usually refers to the conscious or unconscious emulation of significant figures with whom one has identified. The . . . View Full Definition

Ego-Dystonic: Referring to aspects of a persons behavior, thoughts, and attitudes that are viewed by the self as repugnant or inconsistent with the total personality.

Egomania: pathological preoccupation with oneself.

Eidetic Image: vivid and detailed reproduction of a previous perception e.g. a photographic memory.

Elaboration: An unconscious process consisting of expansion and embellishment of detail, especially with reference to a symbol or representation in a dream.

Elevated Mood: An exaggerated feeling of well-being, or euphoria or elation. A person with elevated mood may describe feeling high, ecstatic, on top of the world, or up in the clouds.

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