Week_2.3 Colour is a lie
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Questions and Answers

What is the main focus of the sensory system mentioned in the text?

  • Inventing imaginary scenarios
  • Providing irrelevant information
  • Directing us around the environment (correct)
  • Creating visual illusions

    • How much of the sensorium do we perceive according to the text?

  • None at all
  • An insignificant portion
  • A minimal amount (correct)
  • A great deal

    • What is the result of the optic nerve in relation to our vision?

  • Enhanced visual acuity
  • Impaired vision
  • Improved color perception
  • Blind spot (correct)

    • How is visual information processed in the brain?

    <p>Cross-hemispherically</p> Signup and view all the answers

    What can be a consequence of stroke or acquired brain injuries on our vision?

    <p>Unexpected results in visual acuity</p> Signup and view all the answers

    How does our brain compensate for the blind spot caused by the optic nerve?

    <p>By autocompleting the section of our vision</p> Signup and view all the answers

    Which type of eye receptor is better in low light conditions?

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

    Which type of eye receptor is better at representing the periphery of vision?

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

    Which type of eye receptor is tuned to color?

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

    Which type of eye receptor is more sensitive to movement?

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

    Which part of the eye has the greatest visual acuity?

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

    In which part of the eye is vision best in dim light conditions?

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

    Why is vision outside the fovea dim, gritty, and low resolution?

    <p>High number of rods per bipolar cell</p> Signup and view all the answers

    What type of visual pathway is primarily responsible for processing high light levels, color, and form?

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

    Which type of eye receptor is more sensitive to movement?

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

    What is the function of the striate occipital cortex in visual processing?

    <p>Processing form and color relative to movement</p> Signup and view all the answers

    Which part of the brain is involved in recognizing objects?

    <p>Inferior temporal cortex</p> Signup and view all the answers

    What aspect of visual processing is associated with the parietal cortex?

    <p>Location of objects in space</p> Signup and view all the answers

    What are the basic elements of eye perception mentioned in the text?

    <p>Color, brightness, and contrast</p> Signup and view all the answers

    What is responsible for our ability to sense color and our subjective experience of color?

    <p>Higher order cognitive variables</p> Signup and view all the answers

    What makes the perception of color differences possible according to the text?

    <p>Frequencies processed by two receptor types</p> Signup and view all the answers

    What contributes to our subjective experience of color according to the text?

    <p>Life experiences</p> Signup and view all the answers

    How does the brain compensate for any color perception in dim light conditions?

    <p>By interpreting any perceived color based on past experiences</p> Signup and view all the answers

    What type of visual receptor is primarily responsible for responding to multiple frequencies of light?

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

    In which conditions are rods primarily active in the human eye?

    <p>Low light conditions</p> Signup and view all the answers

    In low light conditions, which type of eye receptor adapts slower?

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

    What is the basis for the perceived color, according to the trichromatic theory?

    <p>Three types of cone cells in the eye, detecting 3 primary colours, depending on the ratio</p> Signup and view all the answers

    What is the basis for colour vision according to the opponent process theory?

    <p>Three opponent processes: red/green, blue/yellow, black/white</p> Signup and view all the answers

    What happens when one colour in a pair is excited, according to the opponent process theory?

    <p>The other colour becomes less intense</p> Signup and view all the answers

    Where does colour perception occur?

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

    What is responsible for our sensation of colour and perception according to the text?

    <p>Physiology and psychology</p> Signup and view all the answers

    What is not a property of the object?

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

    What is the primary function of perception according to the text?

    <p>To process sensory information selectively</p> Signup and view all the answers

    In what way does the brain receive information from the world according to the text?

    <p>In a highly selected and filtered manner</p> Signup and view all the answers

    What is the consequence of receiving a 1:1 copy of the world in neural impulses, as per the text?

    <p>Decreased ability to function effectively</p> Signup and view all the answers

    What characterizes our experience of the world based on the text?

    <p>Highly subjective and idiosyncratic</p> Signup and view all the answers

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