AP1 Brain and Cranial Nerves

Cranial Nerve I

Olfactory - smell

Cranial Nerve II

Optic - Vision

Cranial Nerve III

Oculomotor - moves eye, eyelid, lens

Cranial Nerve IV

Trochlear - eyeball movement

Cranial Nerve V

Trigeminal - sensory to face, mouth, eyes; motor to mouth muscles

Cranial Nerve VI

Abducens - eyeball movement

Cranial Nerve VII

Facial - sensory for taste; motor to facial muscles; salivary glands

Cranial Nerve VIII

Vestibulocochlear - hearing and balance

Cranial Nerve IX

Glossopharyngeal - swallowing; back of tongue taste

Cranial Nerve X

Vagus - parasympathetic fibers to heart and abdominal viscera

Cranial Nerve XI

Accessory - sternocleidomastoid and trapezius muscles

Cranial Nerve XII

Hypoglossal - muscles of tongue

Frontal Lobe

Parietal Lobe

Occipital Lobe

Temporal Lobe

Gyrus

Sulcus

Fissure

Gray Matter

Cerebral Hemisphere

Higher functions

Choroid Plexus

Secretes CSF

Thalamus

“Gateway to the cortex” - mediates sensation, learning, memory, and motor activities

Hypothalamus

Regulates homeostasis (smooth/cardiac muscle, emotions, body temp, food intake, thirst)

Midbrain

Corpora quadrigemina: visual reflex and auditory relays

Pons

Respiratory center, connects brain to spinal cord

Medulla Oblongata

Cardiac and respiratory center, state of muscle stretch

Arbor Vitae

Branched white matter

Cerebellum

Coordinates skeletal muscle, contractions; balance and equilibrium