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Chapter 3 StudyQ
What causes the resting potential of neurons?
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Resting potential: -70mV. There are more positive (Na+) ions outside the neuron and more negatively...
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Chapter 3 StudyQ
Under what condition does an action potential occur? Describe the process.
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Depolarization: there is a change in voltage from
-70mV to +40 mV. There is a nerve impulse...
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Chapter 3 StudyQ
Name and describe the functions of the main parts of the neuron.
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Cell body: the cell's life support centre. Contains genetic information determining cell function.
Dendrites:...
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Chapter 3 StudyQ
Dexcribe and differentiate the functions of the central nervous system and...
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Central Nervous System (CNS): consists of all the neurons in the brain and spinal chord.
Peripheral...
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Chapter 3 StudyQ
Discuss the divisions of the peripheral nervous system.
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Chapter 3 StudyQ
How are EEGs, CT scans, PET scans, MRIs and functional MRIs produced, and...
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EEG: electroencephalogram
-records brain activity so scientists can 'eavesdrop'...
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Chapter 3 StudyQ
Which behavioural functions are controlled by the hindbrain structures (medulla,...
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Medulla:
-heart rate, respiration
-thoroughfare for...
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Chapter 3 StudyQ
What are the 4 lobes of the brain and where are they located? Discuss the...
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Frontal lobe:
-located top front of brain.
-involved...
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