How Does Our Visual System Work?
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Questions and Answers

What is the function of bipolar cells in the human eye?

  • Convert light energy into electrochemical energy
  • Transduce light energy into neural electrochemical impulses
  • Protect the eye from external stimuli
  • Connect forward and outward to ganglion cells and backward and inward to the third layer of retinal cells (correct)

What is the function of photoreceptors in the visual system?

  • Convert light energy into electrochemical energy (correct)
  • Protect the cornea of the eye
  • Filter out harmful electromagnetic light energy
  • Transmit electrochemical impulses to the brain

Which part of the retina is responsible for transforming physical electromagnetic energy into neural impulses?

  • Cornea
  • Iris
  • Fovea (correct)
  • Pupil

What is the function of the dorsal pathway in visual processing?

<p>Processing location and motion information (Where pathway) (C)</p> Signup and view all the answers

Which kind of photopigment reacts to light and transforms it into neural impulses?

<p>Chemical substances (B)</p> Signup and view all the answers

What role does the vitreous humor play in the human eye?

<p>Comprises the majority of the eye and provides support (C)</p> Signup and view all the answers

What type of deficit is associated with damage to the 'how' pathway?

<p>Optic ataxia (C)</p> Signup and view all the answers

Which condition results in an inability to distinguish red from green colors?

<p>Protanopia (D)</p> Signup and view all the answers

What type of impairment is characterized by an inability to recognize human faces?

<p>Prosopagnosia (D)</p> Signup and view all the answers

Which area of the brain processes sensorimotor information related to movement?

<p>Posterior parietal cortex (A)</p> Signup and view all the answers

Which type of color blindness can lead to confusion between blues and greens?

<p>Tritanopia (C)</p> Signup and view all the answers

What is the primary impairment associated with simultagnosia?

<p>Inability to pay attention to multiple objects (C)</p> Signup and view all the answers

What is backward visual masking?

<p>The mental erasure of a stimulus by a subsequent stimulus (C)</p> Signup and view all the answers

In the iconic store, visual information is held for:

<p>A few seconds (B)</p> Signup and view all the answers

Which memory store regulates the flow of information to and from the long-term memory?

<p>Short-term store (B)</p> Signup and view all the answers

What does the short-term store do besides holding onto a few items?

<p>Regulate the flow of information to and from the long-term store (D)</p> Signup and view all the answers

Which store holds memories that stay with us over long periods?

<p>Long-term store (D)</p> Signup and view all the answers

Where does visual information appear to enter our memory system?

<p>Iconic store (D)</p> Signup and view all the answers

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