The Brain

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The Brain
More Neurons
Neural Impulse
Hemispheres
Miscellanious
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What is a hemespherectomy?
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Removal right or left hemesphere
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In the brain, what does plasticity refer to?
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Adapt to new environmental conditions
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The Nervous System is made up the CNS,PNS and the
____ ___.
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Endocrine System
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The area of the psychology that focuses on the
biological foundations of behavior and mental
processes is called _______.
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Psychobiology
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In comparing rats raised in a deprived
environment to those raised in an enriched
environment, Rosenweig (1984) found that rats
raised in an enriched environment had _____
neurons and _______ synaptic connections.

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Larger More
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• In general terms, how many dendrites and axons
  does a typical neuron have?

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Many dendrites and only one axon
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• The term gray matter refers to _________.

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Unmylenated Axons
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• Neurons in the brain that carry messages from one
  neuron to another and do most of the work of the
  nervous system are called __________.

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Interneurons
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• You are a neuron in the spinal cord and your only
  job is to send messages to the foot. You are
  afferent or efferent? Which one?

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Efferent
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• A young man reads a letter that he has just won
  1000 in a state-wide lottery and he literally
  jumps for joy. Using the terms motor neurons,
  sensory neurons, and association neurons. Put
  them in the correct sequence which represents the
  pathway that the impulse travelled in his nervous
  system.

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Sensory, Association, and Motor
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• What is the term used to describe when positive
  ions are concentrated outside the neural membrane
  while negative ions are concentrated inside the
  membrane?

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Polarized or Resting Potential
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The process by which a neuron is depolarized in a
surge running down the length of an axon ______.
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Action Potential
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What is the term that is used to describe when a
neuron fires at full strength or not at all.
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All of None Law
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Immediately after firing, a neuron cannot fire
again no matter how strong the incoming messages
may be. This period is called the ________.
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Absolute Refractory Period
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The entire area composed of the axon terminal of
one neuron, the synaptic space or cleft, and the
dendrite of the cell body of the next neuron is
called the _______.
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Synapse
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Thick bundle of nerves connecting the two
cerebral hemispheres which coordinates their
activities is the _____
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Corpus Collosum
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Which hemisphere of the cerebral cortex is
usually dominant in spatial tasks?
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Right
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Albert has developed an expressive aphasia. Which
part of the brain is most likely to have been
damaged?
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Brocas Area
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Albert has developed a receptive aphasia. Which
part of his brain is most likely to have been
damaged?
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Wernickes area
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A split-brain patient is asked to stare at a
spot on a screen. When a picture of an object is
shown to the RIGHT of the spot, the patient
can______.
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Identify the object verbally and pick it out with
his or her left hand.
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Phineas Gage damaged which part of his brain?
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Frontal Lobes
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Cocaine works by preventing ______ from being
reabsorbed from the synapse.
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Dopamine
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The CNS is compose of ____ and ____.
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Brain and Spine
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All nerve cells and fibers that are not in the
brain or spinal cord make up the _______ system.
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Spinal Cord
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The intricate network of folds hills and
valleys that line the outer surface of the
cerebral cortex, allowing it to fit inside the
skull are called ______.
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Convolutions