Psychology Module II: Sensory Processes
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Psychology Module II: Sensory Processes

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Questions and Answers

What can damage taste receptors?

  • Use of excessive alcohol (correct)
  • Consuming spicy foods
  • Drinking hot beverages (correct)
  • Infrequent eating

    • Which part of the body is least sensitive to pressure?

  • Hands
  • Tongue
  • Back (correct)
  • Face

    • What does perception involve?

  • The coding of neural activity
  • Selecting and integrating sensory information (correct)
  • Creating sensory overload
  • Experiencing innate sensations

    • What is acute pain a reaction to?

    <p>Noxious stimuli</p> Signup and view all the answers

    Which of the following statements about taste receptors is true?

    <p>They are replaced every few days.</p> Signup and view all the answers

    What primarily influences the perception of pain?

    <p>The meaning attached to pain</p> Signup and view all the answers

    The stage of sensation is defined as the process of:

    <p>Coding information about stimulation</p> Signup and view all the answers

    In what way can past experiences influence perception?

    <p>They help in recognizing patterns.</p> Signup and view all the answers

    What does figure-ground organization refer to in perception?

    <p>Grouping sensations into objects that are distinguishable from a background</p> Signup and view all the answers

    Which factor of perceptual grouping involves stimuli that are physically close to one another?

    <p>Proximity</p> Signup and view all the answers

    The tendency to perceive incomplete figures as complete is known as what?

    <p>Closure</p> Signup and view all the answers

    In which perceptual grouping principle are stimuli that share characteristics, such as shape or color, visually grouped together?

    <p>Similarity</p> Signup and view all the answers

    What does the principle of continuity suggest in perceptual organization?

    <p>Perception tends towards simplicity and smooth transitions</p> Signup and view all the answers

    Which principle of perceptual grouping would best explain why you perceive dots arranged in a circular pattern as a complete circle?

    <p>Continuity</p> Signup and view all the answers

    How does common region influence perceptual grouping?

    <p>Stimuli within a defined area are perceived as a group</p> Signup and view all the answers

    What does figure-ground reversal refer to in perceptual organization?

    <p>Seeing different figures based on focus between two contrasting shapes</p> Signup and view all the answers

    What is the process called when one form of energy is converted into another form in the context of sensation?

    <p>Sensation</p> Signup and view all the answers

    What term describes the minimum amount of change in a stimulus that can be recognized?

    <p>Difference threshold</p> Signup and view all the answers

    What is the name for the minimum level of physical energy required to produce a sensory experience?

    <p>Absolute threshold</p> Signup and view all the answers

    Why might someone notice a sound that others do not when they have an expectation of its occurrence?

    <p>Influence of experience and expectation</p> Signup and view all the answers

    What phenomenon is illustrated by the visibility of stars in the sky being affected by daylight?

    <p>Background effect</p> Signup and view all the answers

    When a person can detect a sound while others cannot, and this detection is due to their personal expectations, this showcases which of the following concepts?

    <p>Selective attention</p> Signup and view all the answers

    Which of the following statements best describes how sensory systems work?

    <p>They convert physical energy into neural impulses for processing.</p> Signup and view all the answers

    How does the adjustment of a TV volume exemplify the concept of difference threshold?

    <p>It highlights the minimal detectable change in stimulation.</p> Signup and view all the answers

    What does clairvoyance refer to?

    <p>The ability to perceive events unaffected by distance</p> Signup and view all the answers

    Which concept refers to the ability to influence inanimate objects by will-power?

    <p>Psycho-kinesis</p> Signup and view all the answers

    What do psychologists generally believe about eyewitness testimony?

    <p>It is often prone to errors</p> Signup and view all the answers

    What is the term for when we stop noticing familiar stimuli?

    <p>Habituation</p> Signup and view all the answers

    Which type of psychologists believe that some individuals perceive things with unusual accuracy?

    <p>Humanistic psychologists</p> Signup and view all the answers

    Why is it advised to gather more evidence than relying solely on eyewitness accounts?

    <p>Eyewitness impressions can be distorted under stress</p> Signup and view all the answers

    What is pre-cognition?

    <p>The ability to predict or perceive future events accurately</p> Signup and view all the answers

    Which of the following is NOT considered a form of extrasensory perception?

    <p>Psychotherapy</p> Signup and view all the answers

    What is defined as the minimum amount of physical energy needed to produce a sensory experience?

    <p>Absolute threshold</p> Signup and view all the answers

    Which factor does not contribute to perceptual organization?

    <p>Color perception</p> Signup and view all the answers

    What is perceptual constancy?

    <p>The perception of an object’s size or shape remaining constant despite changes in its image</p> Signup and view all the answers

    Depth perception is crucial for which of the following activities?

    <p>Driving a vehicle</p> Signup and view all the answers

    Which statement best describes extrasensory perception?

    <p>It is the ability to perceive stimuli beyond the normal sensory modalities</p> Signup and view all the answers

    What role does attention play in perception?

    <p>Attention is involved in focusing on and noticing certain stimuli</p> Signup and view all the answers

    Which principle is not considered part of perceptual organization?

    <p>Size perception</p> Signup and view all the answers

    Select the correct statement about difference threshold.

    <p>It refers to the smallest detectable difference between two stimuli</p> Signup and view all the answers

    Study Notes

    Sensation

    • Sensation involves converting one form of energy into another, such as light into neural impulses to be processed by the brain.
    • Sensory systems bring information to the brain, while motor systems transmit information from the brain to muscles and glands.
    • The "difference threshold" refers to the minimal change in stimulus that a person can detect, exemplified by adjusting volume levels.
    • Background stimulation can significantly affect sensation, demonstrated by the visibility of stars during nighttime versus daytime.
    • Expectations and previous experiences influence perception; for instance, the anticipation of a friend arriving can heighten awareness of stimuli like a doorbell.
    • The "absolute threshold" is the minimum physical energy required to create a sensory experience.
    • Taste receptors can be damaged but regenerate frequently, making permanent loss of taste rare.
    • Skin senses respond to external contact through sensations like cold, warmth, and pressure, with varying sensitivity depending on the body area.
    • Pain perception is linked to psychological, social, and cultural factors, with individual experiences of pain shaped by contextual meaning and social attention.

    Perception

    • Perception transforms sensations into meaningful patterns and is guided by both innate abilities and experiences.
    • It involves the brain's organization and integration of sensory input to represent external environments accurately.
    • The process synthesizes basic sensory features into recognizable objects, moving from sensory input to internal representation.

    Perceptual Organization

    • Perceptual organization, notably "figure-ground organization," distinguishes sensory input into salient figures against a backdrop.
    • Factors determining perceptual grouping include:
      • Proximity: stimuli located near each other are grouped together.
      • Similarity: stimuli with shared attributes (size, shape, color) are perceived as a group.
      • Continuity: perceptions tend to follow a smooth path, enhancing the perception of completed figures.
      • Closure: the brain's tendency to perceive incomplete figures as whole, based on familiarity.
      • Common region: stimuli located within a shared area are seen together.

    Extra-Sensory Perception (ESP)

    • ESP includes phenomena like clairvoyance, telepathy, precognition, and psychokinesis, though largely viewed skeptically by psychologists.
    • Clairvoyance: perceiving information beyond normal sensory limits, unaffected by distance.
    • Telepathy: reading others' thoughts.
    • Precognition: predicting future events accurately.
    • Psychokinesis: affecting objects through mental concentration without physical interaction.

    Applications of Perception

    • Understanding sensation and perception can improve judicial processes; eyewitness testimony, despite its importance, is often prone to errors due to stress or surprise.
    • Promoting perceptual awareness may enhance personal understanding and reduce cognitive biases.
    • Habituation describes the diminished response to familiar stimuli, indicating the brain's efficiency in processing ongoing experiences.

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    Description

    Test your knowledge on the essential concepts of sensation, attention, and perception from the Psychology Secondary Course Module II. This quiz covers the key elements that affect how we perceive and attend to various stimuli in our environment.

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