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AP Psychology Unit 2, Sensation and Perception Overview Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed $13.49   Add to cart
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AP Psychology Unit 2, Sensation and Perception Overview Questions & 100% Correct Answers- Latest Test | Graded A+ | Passed
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Neuron -:- A Specialized cell that transmits nerve impulses Cell body -:- contains genetic information, maintains the neurons's structure, and provides energy to drive activities. dendrites -:- The branch-like extention of a neuron that recieves messages and conducts impulses toward the...

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  • September 3, 2024
  • 43
  • 2024/2025
  • Exam (elaborations)
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  • ap psychology unit 2 sensation and perception ov
  • neuron a specialized cell that transmits ner

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2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!



AP Psychology Unit 2, Sensation and
Perception Overview Questions & 100%
Correct Answers- Latest Test | Graded A+ |
Passed
Neuron


✓ -:- A Specialized cell that transmits nerve impulses




Cell body


✓ -:- contains genetic information, maintains the neurons's structure, and provides

energy to drive activities.




dendrites


✓ -:- The branch-like extention of a neuron that recieves messages and conducts

impulses toward the cell body




axon


✓ -:- The extension of a neuron, ending in branching terminal fibers, through which

messages pass to neurons,muscles, or glands.




mylelin sheath


1|Page | Grade A+| 2024/2025

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

✓ -:- coats the axon and speeds up the process of neural impulse moving down the

axon.




glial cells (glia)


✓ -:- Cells in the nervous system that support, nourish and protect neurons.




Action potential


✓ -:- the change in electric potential that propagates along the axon of a neuron

during the transmission of a nerve impulse or the contraction of a muscle




resting potential (-70mv)


✓ -:- The difference in electric charge between the inside and outside of a neuron's cell

membrane




threshold (-55mV)


✓ -:- the level of stimulation required to trigger a neural impulse




refractory period


✓ -:- a period of inactivity after a neuron has fired




2|Page | Grade A+| 2024/2025

,2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

all-or-none response


✓ -:- a neuron's reaction of either firing (with a full-strength response) or not firing.




Synapse


✓ -:- the junction between the axon tip of the sending neuron and the dendrite or cell

body of the receiving neuron




Neurotransmitters


✓ -:- Chemicals that transmit information from one neuron to another




Acetylchlorine


✓ -:- enables muscle action, learning, and memory




Malfunctions of Acetylcholine


✓ -:- With Alzheimer's disease, ACh-producing neurons deteriorate




Dopamine


✓ -:- influences movement, learning, attention, and emotion




Malfunctions of Dopamine

3|Page | Grade A+| 2024/2025

, 2024 /2025 | © copyright | This work may not be copied for profit gain | Excel!

✓ -:- Oversupply linked to schizophrenia. Undersupply linked to tremors and

decreased mobility in Parkinson's disease




Seratonin


✓ -:- Affects mood, hunger, sleep, and arousal




malfunctions of serotonin


✓ -:- under supply linked to depression. Some drugs that raise serotonin levels are

used to treat depression




Norepinephrine


✓ -:- helps control alertness and arousal




Malfunctions of Norepinephrine


✓ -:- undersupply can depress mood




GABA (gamma-aminobutyric acid)


✓ -:- a major inhibitory neurotransmitter




Malfunctions of GABA (gamma-aminobutyric acid)


4|Page | Grade A+| 2024/2025

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