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The Brain

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Matthew Morrison
Matthew Morrison

The document discusses the structure and functions of the human brain. It is divided into three main sections - the brain stem, cerebellum and cerebrum. The brain stem controls essential functions like breathing and heart rate. The cerebellum controls balance, movement and muscle coordination. The largest section, the cerebrum, controls cognitive functions like thinking, perception and decision making. It is divided into four lobes which control functions like language, emotion, vision, hearing and memory. The document also describes a rare case of a man who is able to live a normal life despite having a large fluid-filled cavity taking up most of the space in his brain.

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The Brain
? the weight of an average human brain is about 1300-1400g ? The brain represents only 2% of your weight ? it uses 20% of the oxygen consumption, and up to 25% of the glucose in your body
? The Brain is made up of 3 sections: ? The Brain Stem ? The Cerebellum ? The Cerebrum
The Brain
The Brain
? Connects the brain to your spinal cord. ? The Brain Stem controls essential functions: ? Breathing ? Heart Rate ? Body Temperature ? Pain ? Hunger.
? The Cerebellum controls: ? Balance ? Movement ? Co-ordination of muscles
? Is the largest, most highly developed part of the human brain. ? It makes up ~85% of the brain. ? The Cerebrum controls: ? Cognitive Function (Thinking) ? Perception ? Imagination ? Decision Making
? The cortex is roughly symmetrical between left and right sections called hemispheres. ? The left hemisphere is associated with the right side of the body and vice versa. ? Usually the left hemisphere dominates as it contains the centres for language and reasoning.
? Each of the hemispheres is divided into four lobes: frontal, parietal, occipital and temporal.
? Concerned with: ? Reasoning, ? Planning, ? Parts of speech and movement (motor cortex), ? Emotions, and ? Problem-solving.
? Concerned with: ? Perception of stimuli related to touch, pressure, temperature and pain. ? Knowledge of numbers and their relations ? The manipulation of objects
? It is primarily devoted to controlling vision.
? Concerned with: ? perception and recognition of auditory stimuli (hearing) ? memory (hippocampus).
The Brain
? One French man seems to be managing fine with just a small fraction of his actual brain. ? In fact the man has succeeded in living an entirely normal life despite a huge fluid-filled cavity taking up most of the space where his brain should be. ? Tests showed that the man's IQ is 75 -- the average is 100 -- but he was not considered physically or mentally disabled. ? His condition had not impared his development or his socialization. He is married with two children and works in the tax office.
The Brain
The Brain
The Brain
The Brain

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The Brain

  • 2. ? the weight of an average human brain is about 1300-1400g ? The brain represents only 2% of your weight ? it uses 20% of the oxygen consumption, and up to 25% of the glucose in your body
  • 3. ? The Brain is made up of 3 sections: ? The Brain Stem ? The Cerebellum ? The Cerebrum
  • 6. ? Connects the brain to your spinal cord. ? The Brain Stem controls essential functions: ? Breathing ? Heart Rate ? Body Temperature ? Pain ? Hunger.
  • 7. ? The Cerebellum controls: ? Balance ? Movement ? Co-ordination of muscles
  • 8. ? Is the largest, most highly developed part of the human brain. ? It makes up ~85% of the brain. ? The Cerebrum controls: ? Cognitive Function (Thinking) ? Perception ? Imagination ? Decision Making
  • 9. ? The cortex is roughly symmetrical between left and right sections called hemispheres. ? The left hemisphere is associated with the right side of the body and vice versa. ? Usually the left hemisphere dominates as it contains the centres for language and reasoning.
  • 10. ? Each of the hemispheres is divided into four lobes: frontal, parietal, occipital and temporal.
  • 11. ? Concerned with: ? Reasoning, ? Planning, ? Parts of speech and movement (motor cortex), ? Emotions, and ? Problem-solving.
  • 12. ? Concerned with: ? Perception of stimuli related to touch, pressure, temperature and pain. ? Knowledge of numbers and their relations ? The manipulation of objects
  • 13. ? It is primarily devoted to controlling vision.
  • 14. ? Concerned with: ? perception and recognition of auditory stimuli (hearing) ? memory (hippocampus).
  • 16. ? One French man seems to be managing fine with just a small fraction of his actual brain. ? In fact the man has succeeded in living an entirely normal life despite a huge fluid-filled cavity taking up most of the space where his brain should be. ? Tests showed that the man's IQ is 75 -- the average is 100 -- but he was not considered physically or mentally disabled. ? His condition had not impared his development or his socialization. He is married with two children and works in the tax office.