Onc Nursing Cranial Nerves & Brain Function

frontal lobe

motor/motar association, personality features, intellect, judgement, speech, secondary urinary control

Pariental lobe

Sensory modalities: touch, pain, vibrations, pressure. Ability to carry out and understand special constructs, visual

Occipital lobe

Short-term memory, vision

Cerebellum

Reflex/involuntary fine-tuning of muscle control, Gait and station

Brain stem

Corticospinal tracts(motor) Spinocerebellar tracts

Midbrain

Voluntary gaze stimulated, Stimulus-induced involuntary gaze, cranial nerves(III,IV)

Pons

Cranial nerves( V,VI,VII,VIII)

Medulla

Respiratory control, reflex activities: heart rate, respiration, blood pressure, cough, sneezing, swallowing, vomiting. Cranial nerves IX-XII

Thalamus

Major integrating center for sensory impulses to the cerebral cortex

Pineal gland

Conscious awareness of pain, sensory role related to growth and development - not well understood

Hypothalamus

Temperature control, water metabolism, appetite control, Autonomic nervous system control of viceral and somatic activities, growth hormone, Regulation of part of the sleep/wake cycle, control of affective behavior, sexual behavior

Basal ganglia

fine motor control

1

olfactory

sense of smell

2

optic

vision

3

oculomotor

lid elevation, pupil constriction and accommodation

4

Trochlear

Movement of eyes down and inward

5

Trigeminal

jaw movement, facial sensation(scalp, face, and mouth) corneal reflex

6

Abducense

Lateral movement of the eyes

7

Facial

facial muscles, Taste to anterior 2/3 of tongue, tearing, salivaion

8

Acoustic(cochlear and vestibular)

Hearing, balance and equilibrium

9

Glossopharyngeal

Gag and swallowing, Taste to posterior 1/3 of tongue, salvation

10

vagus

Gag and swallowing, Articulation and phonation, heart rate, peristalsis

11

Accessory

head and shoulder movement

12

Hypoglossal

Tongue movement