neuromatrix theory

the theory that pain is produced by patterns of nerve impulses, or neurosignatures, that can be triggered not only by painful stimuli but also by other means, such as chronic stress. The theory attempts to account for such phenomena as phantom limb pain and chronic pain syndromes. See also gate-control theory. [proposed by Canadian psychologist Ronald Melzack (1929– )]

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Psychology term of the day

February 1st 2025

public-speaking anxiety

fear of giving a speech or presentation in public because of the expectation of being negatively evaluated or humiliated by others. This is a common fear, associated with social phobia.