DSA Week 6: Nervous System

Function of somatic system

voluntary movements

Function of autonomic system

involuntary movement

Function of sympathetic system

fight/flight

Function of parasympathetic system

rest + digest

Function of brainstem

controls involuntary movement, connects brain to spinal chord, origin of cranial nerves

Function of thalamus

relays info from the body to areas of the brain (mail room)

Function of hypothalamus

controls urges such as hunger, thirst, sleep, libido and the pituitary gland

Function of Cerebrum

the concious mind

Function of the cerebellum

coordinate muscle movement + balance

Function of the frontal lobe

movement, problem solving, personality, language

Function of the parietal lobe

processing somatosensory input

Function of the temporal lobe

hearing, language comprehension

Function of the occipital lobe

visual processing + perception

Olafactory I

sense of smell

Optic II

vision

Oculamotor III

eye movement, dilation/constriction of pupil

Trochlear IV

eye movement (up/down)

Trigeminal V

somatosensory information from head

Abducens VI

lateral eye movemnt

Facial VII

face expression, taste, glands in face

Vestibulocochlear VIII

hearing + balance

Glossopharyngeal IX

taste, sensory input from mouth, swallowing

Vagus X

involuntary bodily functions like heart rate, breathing, digestion, and mood

Accessory XI

controls muscles in head movement

Hypoglossal XII

controls muscles in tongue