1. Brain Organization

2. Spinal Cord Anatomy Dorsal Ventral Dorsal Horn: Sensory information in
Ventral Horn: Motor information out

3. Brainstem Brainstem: arousal center (ARAS) sensory in pathway
motor out pathway
Midbrain
Superior Colliculus
Inferior Colliculus
Pons
REM sleep
Medulla
breathing center
cardiac center

4. Ascending Reticular Activating System (ARAS)
Arousal Center

5. Cranial Nerves I. Olfactory II. Optic III. Oculomotor IV. Trochlear
smell
II. Optic
vision
III. Oculomotor
eye movement
IV. Trochlear
V. Trigeminal
face movement
mastication
VI. Abducens
VII. Facial
face/tongue movement
VIII. Vestibulocochlear
hearing/balance
IX. Glossopharyngeal
taste/swallowing
X. Vagus
parasympathetic NS
XI. Accessory
neck movement
XII. Hypoglossal
tongue movement
swallowing
Cranial Nerves

6. Cerebellum Motor Coordination Fine tuning of: sensory systems emotions
learning and memory
Autism
decreased cerebellum size

7. Thalamus and Hypothalamus
relay station
Hypothalamus
regulation center

8. Nucleus Reticularis Thalami
NRT:
GABA cells
Gatekeeper

9. Hypothalamic Nuclei hunger/thirst blood pressure/heart rate
blood pressure/shivering
stress
satiety
sex
memory
reproduction
thermoregulation
reproduction
circadian rhythms

10. Limbic System Emotion Rewards Memory smell aggression fear learning
recognition memory
smell recognition?
memory

11. Basal Ganglia Movement Parkinson’s Disease cell death in
substantia nigra

12. Cortical Lobes Frontal: Strategy and Planning Motor area Parietal:
Somatosensory area
Temporal:
Audition, Language
Occipital:
Vision