Test 5 Review II
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Transcript of Test 5 Review II
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Talking brain
GPS for the Brain
Brain exams
Miss Alaneus
Mrs.Alaneus
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“I can activate your senses to a state of alertness. Who am I?”
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Reticular formation
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“You never even pay attention to me. I control breathing and heart
rate, but I never get any credit. Who am I? (You probably don’t even
know who I am.)”
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Medulla
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“You would never be able to walk across a tightrope if I was deficient
in you. Who am I?”
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Cerebellum
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“I help you remember things in the short-term. Who am I? (It would be
rather ironic if you forgot.)”
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Hippocampus
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“I control aggression and fear. What? Are you afraid of me? Want
to fight? Who am I?”
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Amygdala
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Cerebral cortex
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Thalamus
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Medulla
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Cerebellum
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Pituitary gland
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Surgery which destroys brain tissue
Lesion; EEG; CT scan; PET scan; MRI; fMRI
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Lesion
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Brain x-rays
Lesion; EEG; CT scan; PET scan; MRI; fMRI
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CT scan
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Could measure brain activity during a mental task
Lesion; EEG; CT scan; PET scan; MRI; fMRI
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fMRI
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Recording brain activity through electrical measurements
Lesion; EEG; CT scan; PET scan; MRI; fMRI
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EEG
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This requires a tracer, sometimes radioactive glucose, to detect brain
activity
Lesion; EEG; CT scan; PET scan; MRI; fMRI
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PET scan
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Epileptic seizures may force this to be cut
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Corpus collosum
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Using a series of incoherent words in regular speech may suggest apahsia
to this area
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Wernicke’s
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The inability to speak may be caused by aphasia to this area
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Broca’s
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I am not a neurotransmitter, but I can pretend to be one. I would be
classified as a/an ____________.
Agonist; antagonist?
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Agonist
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The brain’s ability to reorganize after damage or to develop new
pathways is known as…
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plasticity
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In a neuron at resting potential, the charge outside the neuron is
_________ caused by an abundance of ___________.
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Positive; Sodium
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I’m kind of a big deal in the endocrine system…but the
hypothalamus tells me what to do.
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Pituitary gland
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When neurotransmitters go home, this is known as…
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reuptake
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When an action potential is traveling down the axon, the neuron is…
Polarized; depolarized?
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Depolarized
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I am produced by the pituitary gland and help you feel less pain.
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endorphins