Akinesia (from the prefix "a-", "without", and the Greek κίνηση, "kinisi", "motion") is the inability to initiate movement due to difficulty selecting and/or activating motor programs in the central nervous system. Common in severe cases of Parkinson's disease, akinesia is a result of severely diminished dopaminergic cell activity in the direct pathway of movement.

Akinetic Mutism

"Akinetic mutism" is a condition in which a person is both mute and akinetic. A textbook on clinical neurology observes that a person with akinetic mutism has "sleep-waking cycles but, when apparently awake, with eyes open, lies mute, immobile and unresponsive." Some dictionaries describe it as "loss of normal muscle tone."

See also

* Akinetic mutism
* Coma
* Extrapyramidal system

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  • Akinesia — Datos generales Origen Santiago, Chile Información artística …   Wikipedia Español

  • Akinesia — Ak i*ne si*a, n. [Gr. ? quiescence; a priv. + ? motion.] (Med.) Paralysis of the motor nerves; loss of movement. Foster. [1913 Webster] …   The Collaborative International Dictionary of English

  • akinesia — akinezija statusas T sritis Kūno kultūra ir sportas apibrėžtis Normalių judesių stoka, nepakankamumas; aktyvių judesių nebuvimas. kilmė lot. akinēsia – nejudrumas atitikmenys: angl. akinesia; akinesis vok. Akinesie, f; Bewegungslosigkeit, f rus.… …   Sporto terminų žodynas

  • akinesia — akinetic /ay ki net ik, kuy /, adj. /ay ki nee zheuh, kuy /, n. Pathol. absence, loss, or impairment of the power of voluntary movement. Also, akinesis /ay ki nee sis, kuy , ay kin euh sis/. [ < NL < Gk akinesía; see A 6, KINESIA] * * * …   Universalium

  • Akinesia — Impaired body movement; without movement (or without much movement). Akinesia is a term used in neurology to denote the absence (or poverty) of movement. The word akinetic comes from the prefix a meaning without + the Greek word kinesis meaning… …   Medical dictionary

  • akinesia — [ˌeɪkɪ ni:sɪə, a ] noun Medicine loss or impairment of the power of voluntary movement. Derivatives akinetic adjective Origin C19: from Gk akinēsia quiescence …   English new terms dictionary

  • akinesia — n. [Gr. a, without; kinesis, motion] Loss or disturbance of motion, as in certain insects, resulting from loss of antennae …   Dictionary of invertebrate zoology

  • akinesia — noun The loss of the ability to control motor muscles See Also: akinetic …   Wiktionary

  • akinesia — n. lack of movement, loss of movement (due to pathological causes) …   English contemporary dictionary

  • akinesia — aki·ne·sia …   English syllables

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