Glossary M

Glossary M

Masked facies uUsed to describe the mask-like expression of patients with Parkinson's disease.

Masked grief reactions refer to one of the four (4) types of Complicated grief reactions identified by Worden (2002) in which individuals experience symptoms or behaviors that include the complete absence of grief, that cause the individuals difficulty but that they do not recognize as related to the loss.

Masking is defined as the technique of presenting a jumbled visual stimulus immediately after a target stimulus in order to stop the visual persistence of the target

Masking stimulus refers to a visual pattern that, when presented immediately after a visual stimulus, decreases a person’s ability to perceive the stimulus. This stops the persistence of vision, hence limits the effective duration of the stimulus.

Abraham Maslow was a Humanistic psychologist who emphasized the innate human tendency toward self-actualization.

Masochism is defined as pleasure from one's own pain; seeking of pleasure from being subjected to pain. It focuses on receiving pain and humiliation as the preferred or exclusive method of sexual arousal and orgasm. Masochism is considered a sexual disorder, or paraphilia. Masochism is named after the 19th-century Austrian writer Leopold von Sacher-Masoch (Masoch-ism)

Mass is defined as the amount of matter in a body. --->mass in the environment glossary

Mass action is the theory that the cortex works as a whole, and the more cortex the better. Mass action also refers to the extent to which behavioral impairments are directly proportional to the mass of the removed brain tissue. Mass action is Lashley's observation that if cortical tissue is destroyed following the learning of a complex task, deterioration of performance on the task is determined more by the amount of tissue destroyed than by its location.


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