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Brain Organization.

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Presentation on theme: "Brain Organization."— Presentation transcript:

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

6 Thalamus and Hypothalamus
relay station Hypothalamus regulation center

7 Nucleus Reticularis Thalami
NRT: GABA cells Gatekeeper

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

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

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

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

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