The Sensorimotor System

What are the principles of sensorimotor control?

functional segregation

sensory feedback

ballistic movements

posterior parietal association cortex

association cortex

Apraxia

Contralateral neglect

dorsolateral prefrontal association cortex

secondary motor cortex

mirror neurons

functions of mirror neurons

primary motor cortex

astereognosia

(deficits in stereognosis)

dorsolateral corticospinal tract

dorsolateral cerebrospinal tract

ventromedial corticospinal tract

ventromedial portico-brainstem spinal tract

brain stem structures that with the ventromedial portico-brainstem spinal tract

tectum

(brain stem structure interaction with the ventromedial cortico-brainstem spinal tract)

vestibular nucleus

(brain stem structure interaction with the ventromedial cortico-brainstem spinal tract)

reticular formation

(brain stem structure interaction with the ventromedial cortico-brainstem spinal tract)

motor unit

motor unit

(functions)

motor end-plate

motor pool

fast muscle fibers (white)

slow muscle fibers (red)

flexors

extensors

synergistic muscles

antagonistic muscles

isometric contraction

dynamic contraction

tension in a muscle

Golgi tendon organs

Golgi tendon organs

(functions)

muscle spindles

patellar tendon reflex

(stretch reflex)

withdrawal reflex

reciprocal innervation

cocontraction

recurrent collateral inhibition

Renshaw cells

Sensorimotor system comprises a hierarchy of central sensorimotor programs

motor equivalence

motor equivalence

(details)

response chunking

response chunking

(details)