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Sensory Processing and Perception Quiz

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Questions and Answers

What is the correct sequence of the stages in the stimulus-sensation-perception-emotion-memory process?

stimulus-sensation-perception-emotion-memory (correct)
perception-sensation-emotion-memory-stimulus
emotion-sensation-perception-memory-stimulus
sensation-perception-emotion-memory-stimulus

What is the role of sensation in the stimulus-sensation-perception-emotion-memory process?

Sensation extracts a mental representation from the physical stimulus.
Sensation creates emotions in response to the physical stimulus.
Sensation activates sensory brain pathways in response to a physical stimulus. (correct)
Sensation stores the memory of the physical stimulus.

What is the difference between sensation and perception?

Sensation is the creation of emotions in response to a physical stimulus, while perception is the storage of memories.
Sensation is the extraction of a mental representation from a physical stimulus, while perception is the activation of sensory brain pathways.
Sensation and perception are the same process, just with different names.
Sensation is the activation of sensory brain pathways, while perception is the extraction of a mental representation from sensation. (correct)

What is the purpose of psychophysics?

Psychophysics is used to determine how the quantitative aspects of physical stimuli correlate with the perceptions they evoke. (D) Signup and view all the answers

What is the role of receptor cells in sensory coding?

Receptor cells convert sensory stimuli into sensory signals by responding electrochemically. (B) Signup and view all the answers

What is an example of a sensory cue that can give rise to different or misleading perceptions?

Optical illusions (D) Signup and view all the answers

What is the main advantage of intracellular recording over extracellular recording?

It is easier to detect signals and can record excitatory and inhibitory postsynaptic potentials. (D) Signup and view all the answers

What is the primary difference between electrophysiology and calcium imaging in terms of measuring neuronal responses?

Electrophysiology directly measures action potentials, while calcium imaging indirectly measures them through calcium concentration changes. (C) Signup and view all the answers

What is the purpose of measuring the number of spikes a neuron fires?

To study the temporal dynamics of neuronal responses. (C) Signup and view all the answers

What is the main function of place neurons in the hippocampus?

To fire only when the animal is in a specific location. (C) Signup and view all the answers

What is the purpose of using calcium-sensitive dyes in optical recording of neuronal activity?

To indirectly measure neuronal activity through changes in calcium concentration. (A) Signup and view all the answers

What is the main disadvantage of calcium imaging compared to electrophysiology in measuring neuronal responses?

Calcium imaging has slower temporal resolution compared to electrophysiology. (B) Signup and view all the answers

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