The Brain

1
The Brain

• by (2 ASTI students)
• for physiology

2
Brain Stem

• Autonomic Functions Respiratory, Digestive, and
  Regulatory systems
• Consists of the Medulla Oblongata, Pons, and
  Midbrain
• Medulla autonomic, communication between brain
  and spinal cord
• Pons cerebral cortex and cerebellum, sleep and
  arousal
• Midbrain controls responses to light

3
Cerebellum

• Motor output and integration of sensory
  perception
• Newly discovered responsibilities
• Fifty percent of all brain neurons

4
Limbic System

• Responsibilities
• Consists of
• Hypothalamus
• Hippocampus
• Amgydala

5
The Cerebral Cortex

• Largest part of the brain
• Sulci and Gyri
• Three lobes Occipital, Temporal, and Parietal
• Its responsibilities

6
Prefrontal Section

• Personality, Morals, and Ethics are here
• Related to the Brain Stem and Limbic System
• Fight or Flight Response

7
The Evolution of the Brain

• 500 Million years ago, species with basic
  functions
• Medulla
• Pons
• 250 Million years ago
• Cerebellum
• Hippocampus
• 200 Million years ago
• Cerebral Cortex