NBP 101 Organization of the Brain

Cerebral Hemispheres

Higher cognitive function (thoughts/actions)

Cerebellum

Execution of movement/balance/posture

Brainstem

Unconscious functions (breathing/heart/blood pressure)

Spinal cord

Pathway of information between brain/periphery

Central Nervous System

Brain and spinal cord

Peripheral Nervous system

Sensory and motor nerves

Afferent nerves

From body to the CNS (brain)

Efferent nerves

From CNS/brain to the body (carry signals away)

CN (I)

Olfactory receptors

CN (II)

Optice visual receptors

CN (VIII)

Vestibulococluaear (inner ear information)

Cervical

(C1-8) Spinal Cord

Thoratic

(T1-12) Spinal Cord

Lumbar

(L1-5) Spinal Cord

Sacral

(S1-5) Spina cord

Dorsal

Axon that carry incoming sensory info to CNS

Ventral

Axons carry information from CNS to msucles/glands

White Matter

Myelinated axon tracts

Grey matter

Everything else/cell bodies/dendrites

Frontal Lobe

Planning future action/control of movement

Partial Lobe

Somatic Sensation/body image w/extrapersonal space