Perception MCQ Quiz: Psychology Trivia!

122 Questions | Total Attempts: 4743

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Perception MCQ Quiz: Psychology Trivia!

Perception is a state of mind that makes someone takes a point of understanding of a situation. Sometimes, the very first experience may either create the right perception or the wrong one. Find it all below.


Questions and Answers
  • 1. 
    Which of the following words does NOT describe perception
    • A. 

      A passive process

    • B. 

      A psychological process

    • C. 

      No direct contact with the physical world

    • D. 

      Using sense organs

  • 2. 
    What percentage of the cortex are visual brain areas?
    • A. 

      50%

    • B. 

      10%

    • C. 

      30%

    • D. 

      2%

  • 3. 
    Which of the sensory modalities is the most studied/understood?
    • A. 

      Vision

    • B. 

      Touch

    • C. 

      Taste/Smell

    • D. 

      They are all heavily studied

  • 4. 
    Psychophysics has a central concept of measuring the ... of sensory systems?
    • A. 

      All of these

    • B. 

      Detection limits

    • C. 

      Discrimination limits

    • D. 

      Thresholds

  • 5. 
    Measuring detection thresholds, a favoured practice of Fechner, can be carried out by three methods, which of the following is NOT one of them?
    • A. 

      Absolute method

    • B. 

      Limit method

    • C. 

      Adjustment method

    • D. 

      Constant stimuli method

  • 6. 
    What percentage correct performance is necessary in psychophysical trials to determine a threshold of perception (discriminatory or detection)
    • A. 

      75%

    • B. 

      90%

    • C. 

      50%

    • D. 

      67%

  • 7. 
    It is possible during a psychophysical trial that the SAME stimulus strength will cause different answers from the same participant, what offers an explanation as to why our threshold detections are not discrete?
    • A. 

      Signal detection theory

    • B. 

      Noisy wiring theory

    • C. 

      Stimulus discrimination theory

    • D. 

      Judgement bias theory

  • 8. 
    Which of the following is incorrect about neurophysiological single cell recording in vision?
    • A. 

      It is intracellular

    • B. 

      It uses a microelectrode that is surgically placed into a visual system area of study

    • C. 

      It records next to the axon of a cell to pick up action potentials from a specific cell

    • D. 

      It is reductionist

  • 9. 
    What type of graph is collected from a neurophysiological experiment of vision?
    • A. 

      Histogram (PSTH)

    • B. 

      Line graph (PSTLG)

    • C. 

      Scatter graph (PSTSG)

    • D. 

      Logarithm graph (PSTL)

  • 10. 
    Thresholds can NOT be calculated from which of the following?
    • A. 

      All of these can measure thresholds

    • B. 

      Neurometric function (single cell)

    • C. 

      Psychometric function (detection)

    • D. 

      Psychometric function (discrimination)

  • 11. 
    Hubel and Wiesel (1959) showed monkeys a bar in various orientations and made what conclusion about neurons?
    • A. 

      They act as feature detectors

    • B. 

      Animal studies should not be applied to humans

    • C. 

      Brain areas respond to different bar orientations

    • D. 

      Receptive fields are crucial for object recognition

  • 12. 
    Of the functional imaging techniques, which one requires radioactive tagging?
    • A. 

      PET

    • B. 

      FMRI

    • C. 

      EEG

    • D. 

      MEG

  • 13. 
    Changes in luminance occurs at many different spatial scales, what change in luminance is responsible for FINE detail?
    • A. 

      Abrupt (sharp) changes

    • B. 

      Medium changes

    • C. 

      Smooth changes

    • D. 

      Course changes

  • 14. 
    How does the brain represent the information in Visual images?
    • A. 

      Sinusoidal gratings

    • B. 

      Luminance changes

    • C. 

      Wavelength changes

    • D. 

      Pixel equivalents

  • 15. 
    Which of the following best describes a sinusoidal grating?
    • A. 

      Luminance varying across space

    • B. 

      Luminance varying across time and space

    • C. 

      Luminance varying across time

    • D. 

      Luminance varying across 1 dimension

  • 16. 
    There are 4 defining characteristics of Sinusoidal Gratings, which of the following is NOT one of them?
    • A. 

      Position

    • B. 

      Spatial Frequency

    • C. 

      Orientation

    • D. 

      Contrast

  • 17. 
    What is the name for the process where by you decompose any image into its unique set of sinusoidal gratings?
    • A. 

      Fourier Analysis

    • B. 

      Fourier Synthesis

    • C. 

      Fourier Disintegration

    • D. 

      Fourier Dissolution

  • 18. 
    What is the name for measuring the visual system's response to simple sinusoidal grating patterns?
    • A. 

      Modulation transfer function

    • B. 

      Spatial frequency function

    • C. 

      Visual acuity function

    • D. 

      Complex image function

  • 19. 
    The Contrast Sensitivity function shows ... ?
    • A. 

      The entire visual system's sensitivity to gratings

    • B. 

      A single cell's sensitivity to gratings

    • C. 

      The entire visual system's sensitivity to contrast changes

    • D. 

      A single cell's sensitivity to contrast changes

  • 20. 
    Which of the following is an explanation for why there is a drop off in sensitivity to high spatial frequency gratings in the human CSF?
    • A. 

      Optical imperfections of the eye

    • B. 

      Receptive fields of ganglion cells do not respond to gratings with too high spatial frequency

    • C. 

      Both of these are correct

    • D. 

      Both of these explain insensitivity to LOW spatial frequency gratings

  • 21. 
    The human Contrast Sensitivity Function shows that humans are most sensitive to sinusoidal gratings with what spatial frequencies?
    • A. 

      Mid-range

    • B. 

      High

    • C. 

      Low

    • D. 

      High and Low

  • 22. 
    Under which luminance level does our system respond to the highest spatial frequencies?
    • A. 

      Photopic

    • B. 

      Mesopic

    • C. 

      Scotopic

    • D. 

      Lumopic

  • 23. 
    When flickering gratings with a high temporal frequency are used then the CSF sensitivity to low spatial frequencies is drastically improved, what is suspected to be responsible for this?
    • A. 

      Mangocellular cells are 10 times more sensitive

    • B. 

      Parvocellular cells are 10 times more sensitive

    • C. 

      Low spatial frequencies become higher when flickering

    • D. 

      Higher spatial frequencies become lower when flickering

  • 24. 
    Optometrists use very high contrast stimuli to assess visual acuity in eye tests, which of the following is not a common eye test?
    • A. 

      Grayson letter discrimination

    • B. 

      Snellen eye chart

    • C. 

      Landholt rings

    • D. 

      Parallel bars

  • 25. 
    What is visual acuity measuring on the CSF
    • A. 

      The highest spatial frequency grating you can detect

    • B. 

      The lowest spatial frequency grating you can detect

    • C. 

      The limits of our spatial frequency grating detection

    • D. 

      The complete range of the spatial frequency gratings we can detect