| cognitive symptoms | <psychology> Symptoms that relate to disorders in thought processes, such as learning, comprehension, memory, reasoning, and judging. These symptoms are prominant features of Alzheimer's disease. See: cognitive symptoms. (22 May 1997) |
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| cognitive therapy | A direct form of psychotherapy based on the interpretation of situations (cognitive structure of experiences) that determine how an individual feels and behaves. It is based on the premise that cognition, the process of acquiring knowledge and forming beliefs, is a primary determinant of mood and behaviour. The therapy uses behavioural and verbal techniques to identify and correct negative thinking that is at the root of the aberrant behaviour. (12 Dec 1998) |
| cogwheel ocular movements | Loose, jerky ocular rotations replacing smooth following rotations. (05 Mar 2000) |
| cogwheel phenomenon | A sudden brief halt in usually smooth respiration or other motor activity. Synonym: Negro's phenomenon. (05 Mar 2000) |
| cogwheel respiration | The inspiratory sound being broken into two or three by silent intervals. Synonym: interrupted respiration, jerky respiration. (05 Mar 2000) |
| cogwheel rigidity | <clinical sign, neurology> A type of rigidity seen in parkinsonism in which the muscles respond with cogwheel-like jerks to the use of constant force in bending the limb. (21 Jun 2000) |