Vermis

Located in

spinocerebellum

Input from

visual, auditory and vestibular input and somatosensory input from head

spinocerebellar tracts from trunk

Sends to

fastigial nucleus

Function

classical conditioning

posture, balance of torso/trunk

Mechanism

lesions

even just a 2mm^2 lesion to the vermis abolishes CR but leaves UR intact

see classical conditioning#mechanism

also

axial and trunk muscles during attempted antigravity posture

slurring and slowing of speech (scanning speech)

often from alcoholic abuse or malnourishment or ischaemia

neurons here show learning-dependent increases in activity paralleling the development of the conditioned behavior

contains two inverted somatotopic neural maps of the body

Etymology

Latin for 'worm'