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imaging

n.

1. the process of scanning the brain or other organs or tissues to obtain an optical image that can be used for medical and research purposes, such as locating abnormalities or studying anatomy and function. Techniques used include computed tomography, positron emission tomography (PET), anatomical magnetic resonance imaging (aMRI), and functional magnetic resonance imaging (fMRI). The imaging may be either static or dynamic. See also brain imaging; nuclear imaging.

2. in therapy, the use of suggested mental images to control body function, including the easing of pain. See also imagery technique; visualization.

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Psychology term of the day

January 28th 2025

self-consciousness

self-consciousness

n.

1. a personality trait associated with the tendency to reflect on or think about oneself. Psychological use of the term (e.g., in personality measures) refers to individual differences in self-reflection, not to embarrassment or awkwardness (see sense

3..). Some researchers have distinguished between two varieties of self-consciousness: (a) private self-consciousness, or the degree to which people think about private, internal aspects of themselves (e.g., their thoughts, motives, and feelings) that are not directly open to observation by others; and (b) public self-consciousness, or the degree to which people think about public, external aspects of themselves (e.g., their physical appearance, mannerisms, and overt behavior) that can be observed by others.

2. see reflective consciousness.

3. extreme sensitivity about one’s behavior, appearance, or other attributes and excessive concern about the impression one makes on others, which may lead to embarrassment or awkwardness in the presence of others. —self-conscious adj.