Cerebellum Flashcards
______ receives indirect input from cerebral cortex and is involved in regulation of skilled movements
Cerebrocerebellum
______ receives input directly from spinal cord – lateral part involved in movement of distal muscles; medial part (vermis) involved in movement of proximal muscles
Spinocerebellum
_____ caudal and inferior lobes (nodulus, flocculus) - involved with regulation of movements underlying posture and balance
Vestibulocerebellum
Inputs to the cerebellum
mossy fibers - pontine nuclei, vestibular nuclei, spinal cord
Climbing fibers - from inferior olive
Output of cerebellum
Purkinje Cells to deep cerebellar nuclei
Impaired ability to stand upright and maintain the direction of gaze, and may result in a loss of muscle tone is caused by damage in what region?
Vestibulocerebellum
Difficulty controlling walking movements; also have difficulty performing rapid alternating movements; over and under reaching (dysmetria). Tremors (intention tremor) are caused by damage to what region?
Spinocerebellum
Impairment of skilled, learned movements (e.g. speech) is caused by damage in what region?
cerebrocerebellum
_____ is a lack of muscle control during voluntary movements
Ataxia