Facts About the Brain and Cerebral Hemispheres

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Questions and Answers

Which of the following is responsible for transmitting information across the synaptic gap?

  • Electrocorticography
  • Trans-cranial magnetic stimulation
  • Neurotransmitters (correct)
  • Psycophysics

What is the primary method used to carry information inside a neuron?

  • Chemical neurotransmitters
  • BETA waves
  • Gamma waves
  • Electrical pulses (correct)

In studying cognition, what does Psychophysics aim to determine?

  • Brain activity by detecting blood flow changes
  • Relation between stimulus and sensation (correct)
  • Regions of the brain to stimulate
  • Electrical activity from the cerebral cortex

Which procedure involves directly placing electrodes on the exposed surface of the brain?

<p>Electrocorticography (B)</p>
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Which brain wave indicates a relaxed and reflective state?

<p>ALPHA waves (B)</p>
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What does Electroencephalography record along the scalp?

<p>Electrical activity (C)</p>
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Which type of brain wave is associated with an active thought process?

<p>GAMMA waves (A)</p>
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What type of procedure is trans-cranial magnetic stimulation?

<p>Noninvasive (D)</p>
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What is the purpose of functional magnetic resonance imaging (fMRI)?

<p>Measure brain activity by detecting blood flow changes (A)</p>
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What distinguishes Electroencephalography from Electrocorticography?

<p>The recording location on the brain (C)</p>
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