Sensory Systems and Perception

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What is the primary factor that determines the precision of location in stimulus response?

The size of the receptive field
The density of receptors at the center of the receptive field
The duration of the stimulus
The amount of convergence in ascending pathways (correct)

What is the function of rapid adapting receptors in somatic sensation?

Signaling slow changes
Initiating visceral sensations
Detecting posture and movement
Signaling rapid changes (correct)

Which type of receptors are responsible for signaling absolute magnitude and rate of muscle stretch?

Visceral receptors
Somatic receptors
Muscle-spindle stretch receptors (correct)
Mechanoreceptors

What is the purpose of lateral inhibition in the stimulus response?

To increase acuity (D) Signup and view all the answers

What is the characteristic of receptors at the center of the receptive field?

High density (C) Signup and view all the answers

What is the primary difference between rapid and slow adapting receptors?

Rapid adapting receptors respond rapidly to the onset of a stimulus, while slow adapting receptors maintain their response (C) Signup and view all the answers

What is the primary function of the olfactory cortex in the limbic system?

To process information related to smell (B) Signup and view all the answers

What are the four basic modalities of taste that taste buds on the tongue respond to?

Sour, sweet, salty, and bitter (B) Signup and view all the answers

What is the characteristic of a single receptor cell in the taste buds?

It responds to more than one taste category in various degrees (C) Signup and view all the answers

What is the name of the system that transduces taste information from the tongue?

Gustatory system (C) Signup and view all the answers

Which of the following is NOT a function of the taste buds?

Responding to visual information (B) Signup and view all the answers

What is the name of the system that processes information related to smell?

Olfactory system (A) Signup and view all the answers

What is being detected by the sense of taste and the sense of smell?

chemicals (D) Signup and view all the answers

Which sensory receptors are specialized to report information about changes in temperature?

free nerve endings (D) Signup and view all the answers

What is an example of a false alarm in signal detection theory?

You turn off the radio to answer your phone, but the phone is not ringing. (D) Signup and view all the answers

What do nociceptors primarily sense?

pain (A) Signup and view all the answers

Where must light be focused for our visual system to work properly?

retina (C) Signup and view all the answers

Which type of cues to depth rely on information from both eyes?

Binocular (B) Signup and view all the answers

What happens to sensory information that leads to conscious awareness?

It becomes a sensation (B) Signup and view all the answers

What type of stimuli do proprioceptors in muscles and tendons detect?

Internal limb position (A) Signup and view all the answers

What is the function of receptor cells in sensory systems?

To detect a particular type of stimulus (B) Signup and view all the answers

What triggers an action potential in a sensory neuron?

The presence of an appropriate stimulus (C) Signup and view all the answers

What is the pathway of information transmission from the sensory organ to the brain?

Directly to the spinal cord and then the brain (D) Signup and view all the answers

What is the term for the sensory system that detects balance and spatial orientation?

Vestibular system (B) Signup and view all the answers

What is a way to reduce noise exposure in places where it cannot be avoided?

Installing specialized soundboards for wall sheathing (C) Signup and view all the answers

What is the function of the semicircular canals in the vestibular system?

Detect angular acceleration during rotation of the head (C) Signup and view all the answers

What is the result of unexpected inputs from the vestibular system?

Vertigo or motion sickness (B) Signup and view all the answers

What is the relationship between the odor of a substance and its chemical structure?

The odor is related to the chemical structure (D) Signup and view all the answers

What is the location of the olfactory receptor cells?

In the upper part of the nasal cavity (D) Signup and view all the answers

What do the axons of olfactory receptor cells of the same specificity do?

Synapse together (D) Signup and view all the answers