Transcript Emotional control system and centers of our personalities Extremely

The Nervous System
Created By: Lauren Goessl, Brianna Dachisen,
Laura Colandrea, Amanda Alfano
Brain Structure: Frontal Lobe
•Emotional control system and centers of our personalities
•Extremely vulnerable to injury due to the location at the front
of the head
•Damage to this lobe is characterized by loss of fine
movement and strength, problems with flexibility and
problem solving, there is also evidence of interference with
attention and memory, and difficulty interpreting feedback
Brain Structure: Temporal Lobe
• Involved with the organization of the sensory input
• Symptoms of lobe damage:
• Disturbance of speech
• Disturbance of attention and vision
• Impaired organization
• Altered behavior/ sexual behavior
Brain Structure: Parietal Lobe
• The
parietal lobe is broken into two separate divisions.
One involves sensation and perception and the other is
concerned with sensory input and visual.
• Individuals with damage to the parietal lobes often show
extreme deficits and abnormalities in body image and spatial
relations
•Damage to the left parietal lobe can result in “
Gerstmann’s Syndrome” which entails right-left confusion,
difficulty with writing and math.
Brain Structure: Occipital Lobe
• This is the center of our visual
perception and color recognition
• It is not particularly vulnerable to
injury because of their location at the
back of the brain.
• Disorders and damage to the occipital
lobe can cause hallucinations and
illusions
•
Brain Structure: Cerebrum
• Determines
intelligence, personality, major motor functions,
planning and organization, and the sensory impulses
• It is located in the front portion of the brain. It is divided into
two hemispheres
•Contains deep grooves which are called cerebral fissures
• The cerebrum contains
structures like the
hypothalamus and
thalamus.
Brain Structure: Cerebellum
• Coordination and control of
voluntary movement, balance, and
muscle tone
• It is located just above the brain
stem and toward the back of the brain
• It is well protected from trauma
compared to the lobes
•Damage to the cerebellum is
associated with tremors, involuntary
movement of the eyes, and lack of
coordination
Brain Structure: Medulla
• Involved with the sensory and motor tracts, the cardiac and
respiratory center, swallowing and coughing, and cranial nerves
•Certain neurons in the medulla control respiration and heart rate.
•Damage to the medulla results in dilated pupils, abnormal breathing,
inability to control movement, or paralysis
NEURONS
• Sensory Input
- When your eyes see something or your hands touch a warm
surface, the neurons send a message straight to your brain
• Integrations
- The interpretation of thinks you have felt, tasted, or touched
into responses that the body recognizes.
• Motor Output
- After your brain interprets all that you have learned, the
your brain send a message through the neurons to the
effecter cells, muscles, or gland cells. Once the information
is passed back down, then the body request is performed.
How Do They Work?
• The
sodium and potassium circle in and out of the neuron
which creates an impulse “Action Potential”
• As the impulse leaves the axon it becomes a normal state
called the “Resting Potential”
Post Synaptic Potential
• The impulses transferred into Neurotransmitters. They then
flow into the fluid filled gap called the Synaptic Cleft and
enter the dendrites and the process is then repeated.