somaesthetic hallucination

   Also written as somesthetic hallucination. Both terms are indebted to the Greek words soma (body), and aisthanesthai (to notice, to perceive). They are used to denote a hallucination which is experienced in any - or several - of the somatosensory modalities. These modalities include the exteroceptive modality (comprising pain, light touch, tickle, pressure, heat, and cold), the proprioceptive modality (i.e. the muscle-tendon-joint sense), and the interocep-tive modality (arising from the visceral body parts). Pathophysiologically, somaesthetic hallucinations are associated primarily with heightened activity in the primary somatosensory cortex, the posterior parietal cortex, and the thalamus. The concept somaesthetic hallucination displays considerable overlap with the concepts * somatic hallucination, * tactile hallucination, *kinaesthetic hallucination, and *proprioceptive hallucination.
   Pontius, A.A. (1977). Somesthetic hallucinations and motility in schizophrenia: Neurophysio-logical views and information flow model. Perceptual and Motor Skills, 44, 79-95.

Dictionary of Hallucinations. . 2010.

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