XYZ For the Following Questions, Assume a Hypothetical Postsynaptic Neuron Has

question 418

Multiple Choice

XYZ
For the following questions, assume a hypothetical postsynaptic neuron has three presynaptic inputs: X, Y, and Z. Also assume that presynaptic neurons Y and Z are excitatory.
-Refer to the text.If presynaptic neuron Y is stimulated, the postsynaptic cell membrane becomes slightly depolarized.What kind of synapse is involved between presynaptic neuron Y and the postsynaptic neuron

• A)excitatory synapse
• B)inhibitory synapse
• C)either an excitatory or an inhibitory synapse
• D)there is no synapse

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Definitions:

Bottom-up Processing

A cognitive approach where processing starts with the sensory input, moving up to the higher levels of processing without preconceived cognitive theories.

Gestalt Theory

A psychological approach that emphasizes understanding the whole of anything is greater than its parts, focusing on patterns and context in perception.

Trichromatic Theory

A theory explaining how the human eye perceives colors through the response levels of three types of cones sensitive to blue, green, and red wavelengths.

Opponent Process

A theory in psychology and neuroscience that suggests the brain has mechanisms that operate to counterbalance the effects of activating one emotion by invoking an opposing emotion.