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The Brain

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by

Dayana Vindas

on 20 September 2013

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Transcript of The Brain

Understanding the Brain
The Brain Stem
Pons

*The pons regulates sleep and dreaming cycles.
*Also serves as a communications and coordination center between the two hemispheres of the brain.

Medulla
*The medulla is the lowest part of the brain and it is about an inch long regulates basic body functions like breathing, digestion, heart and blood vessel function, swallowing and sneezing.
*Motor and sensory neurons from the midbrain and forebrain travel through the medulla.

(also known as Medulla Oblongata)
Hindbrain
Cerebellum
*Is located behind the spinal cord and looks like a little brain
* functions:
- fine movement coordination
-balance and equilibrium
-muscle tone

The Limbic System
Reticular Formation
*The reticular formation is a group of nerve fibers located inside the brainstem.
* It keeps the brain awake and alert.
* It also monitors incoming sensory messages.
*Located on top of the brain stem and under the cortex
Hippocampus
*Involved in establishing new information and long-term memories.
~Connects your present to your past
~Consolidation of New Memories
~Emotional Responses
~Navigation
~Spatial Orientation (Sense of direction, Visualization, and Reading maps)
Amygdala
*Involved in memory and emotion paticularly in fear and agression
~Arousal
~Autonomic Responses Associated with Fear
~Emotional Responses
~Hormonal Secretions
~Memory
Hypothalamus
*Serves as brains blood-testing laboratory, constantly monitors blood to determine conditon of the body.
~Autonomic Function Control
~Endocrine Function Control
~Homeostasis
~Motor Function Control
~Food and Water Intake Regulation
~Sleep-Wake Cycle Regulation
The Cerebrum
*The top most layer of the brain: bulbous cap over limbus system (thinking cap).
~Planning
~Reasoning
~Creating
~Problem solving
Frontal Lobe
Movement
Speech
Abstract thought
Planning
Deciding
Perceiving
Parietal Lobe
Touch
Body posture
Hearing
Spatial relationships
Occipital Lobe
At the bottom back of the brain, under the parietal lobes adnd beside the temporal lobes.
It interprets visual input from the retina Involved in:
-visual perception
-color recognition

Temporal Lobe
It is located in front of the occipital, and below the frontal and parietal lobes.
Auditory Perception
Memory
Speech
Emotional Respones
Visual Perception
The End
By: Dayana Vindas and Maria Robayo
Third Block, September 20, 2013
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