NEUR 100: WS 2 Hindbrain and Cranial Nerves

inferior colliculi

channel for auditory reflexes (tectum)

superior colliculi

channel for visual reflexes (tectum)

periaquaductal gray

pain control (tegmentum)

substantia nigra

dopamine production and movement (tegmentum)

red nucleus

controle motor activities and coordination (tegmentum)

pons

sleep, breathing, autonomic functions

cerebellum

balance and coordination

medulla

autonomic functions (heartbeat and breathing)

reticular formation

arousal and consciousness

olfactory nerve

conveys sense of smell (1)

optic nerve

conveys visual input (2)

oculomotor nerve

eye movement up and down, raising eyelid, medial (3)

trochlear nerve

eye movement down and lateral(4)

trigeminal nerve

conveys facial touch sensation and chewing (5)

abducens nerve

eye movement side to side (6)

facial nerve

taste from anterior 2/3 of tongue and expression (7)

vestibulocochlear nerve

conveys auditory input and inner ear balance (8)

glossopharyngeal nerve

taste on posterior 1/3 of tongue, swallowing(9)

vagus nerve

parasympathetic: digestion, heart rate, respiration (10)

spinal accessory nerve

neck and shoulder movement (11)

hypoglossal nerve

tongue movement (12)