Cognitive complexity is a psychological characteristic or psychological variable that indicates how complex or simple is the frame and perceptual skill of a person.t is used as part of one of the several variations of the viable non-empirical evaluation model GOMS (goals, operators, methods, and selection rules); in particular the GOMS/CCT methodology. Cognitive complexity can have various meanings:
Essential tremor is a nerve disorder in which tremors occur without an identifiable cause. The tremor resembles an exaggerated shaking and occurs when a person is using his or her hands but does not occur while the hands are at rest. Parkinsonâs tremors are just the opposite â noticeable shaking when at rest but no shaking when the hands are engaged.
Drug-related causes of shaky hands. Taking or withdrawing from certain drugs can also cause shaky hands. Examples include: Use of beta agonists. Withdrawal from certain medications, including some anti-anxiety drugs. Withdrawal from, or excessive consumption of, alcohol, caffeine or tobacco.