Neuron

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Neuron
Neurotransmitters
Central Core
Limbic System
Cerebral Cortex
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What is the cell that underlies the activity of
theentire nervous system
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Neuron
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Approximately how many neurons does the average
human have?
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100 Billion
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The name of the short fibers, which extend from
the neuron, allowing it to receive messages from
other neurons
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Dendrite
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The part of the neuron that carries outgoing
messages either to another neuron or to a muscle
or gland or brain.
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Axon
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Primary purpose of the myelin sheath is to
______________.
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Insulate the neuron so it can transmit
information more efficiently
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• When a neural impulse reaches the end of an axon,
  it causes tiny oval sacks at the end of the axon
  to release chemicals called________.

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Neurotransmitters
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• An elderly male is diagnosed as having
  Alzheimers disease. His physician tells him the
  disorder involves a deficiency of ______.

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Acetylcholine
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• They have similar chemical structures as morphine
  and other opiates and are able to lock into the
  receptor sites for ______.

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Endorphins
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• Schizophrenia has been linked to an __________.

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Overabundance or hypersensitivity to dopamine
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• Depression has been linked to an undersupply of
  either one of these two NTs.

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Serotonin and/or Norepinephrine
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• Part of the hindbrain that controls such
  functions as breathing, heart rate and blood
  pressure.

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Medula
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The structure in the hindbrain that produces
chemicals that help maintain our sleep-wake cycle
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Pons
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A young woman recovering from a blow to her head
finds she has a great difficulty maintaining her
balance and coordinating her movements. Injury to
which part of her brain is likely to be causing
her difficulties?
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Cerbellum
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Above the cerebellum, the brain stem widens to
form the ______.
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Midbrain
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The structure of the central core that relays and
translates sensory information is _________.
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Thalamus
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This part of the brain is used to suppress
instinctive behavior
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Limbic System
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George was in a car accident last year. He
suffered head trauma. George cannot remember
anything that happened before the accident, but
he can remember what he said 5 minutes ago.
Georges brain that was injured was probably the
________.
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Hippocampus
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The part of the limbic system that is responsible
for the four Fs
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Amygdala
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Repetitive and severe trauma, such as war, can
have a negative influence on the Amygdala. When
this happens anxiety is the result. What is the
anxiety disorder called?
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PTSD
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The ring of loosely connected structures,
Amygdala and Hippocampus, that plays a role in
learning and emotional behavior are found between
the central core and ________.
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Cerebral Cortex
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The most recent part of the nervous system to
evolve is the _________.
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Cerebral Cortex
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The part of the brain which interprets visual
information is the ______.
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Occipital Lobe
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The part of the brain that helps regulate
hearing, balance and equilibrium, certain
emotions and motivations and recognizing faces is
the _____.
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Temporal Lobe
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The part of the brain that receives sensations to
touch, balance, bodily position and oversee
spatial ability.
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The Parietal Lobe
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The site of many mental processes that are unique
to humans (self awareness, initiative, planning
ability, and goal directed behaivor.
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Frontal Lobe