Cornell Notes Quiz
72 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the formula for Michelson contrast?

  • $(L_{max} + L_{min}) / (L_{max} - L_{min})$
  • $(L_{max} - L_{min}) / (L_{max} + L_{min})$ (correct)
  • $(L_{max} + L_{min})^2 / (L_{max} - L_{min})$
  • $(L_{max} - L_{min})^2 / (L_{max} + L_{min})$

What is the unit of measurement for luminance?

  • Lumens (lm)
  • Candela per square centimetre (cd/cm2)
  • Candela per square metre (cd/m2) (correct)
  • Lux (lx)

What is the range of Michelson contrast value?

  • 0.0 – 100.0
  • 0.0 – 1.0 (correct)
  • 0.0 – 0.5
  • 0.0 – 10.0

What is the Pelli-Robson Contrast Sensitivity Chart used for?

<p>Measuring contrast sensitivity (C)</p> Signup and view all the answers

What is the distance between two peaks in a wave?

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

Which type of ganglion cells respond to high-level lights and have smaller receptive fields?

<p>Midget ganglion cells (D)</p> Signup and view all the answers

What does the amplitude of a wave correspond to?

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

What type of ganglion cells respond to low-level lights and have larger receptive fields?

<p>Parasol ganglion cells (D)</p> Signup and view all the answers

What is the primary visual cortex called?

<p>V1 (B)</p> Signup and view all the answers

What is the function of on-centre ganglion cells in the retina?

<p>Light on centre increases firing (B)</p> Signup and view all the answers

What type of cells are exclusively present in the fovea?

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

What type of processing occurs in V1 regarding the linear receptive fields of RGC and LGN?

<p>Non-linear processing (B)</p> Signup and view all the answers

What is the function of 90% of retinal ganglion cells (RGN)?

<p>Project to the lateral geniculate nucleus (LGN) (A)</p> Signup and view all the answers

What influences contrast sensitivity according to the text?

<p>Size and arrangement of the receptive fields (C)</p> Signup and view all the answers

What are the cells in the primary visual cortex responsible for?

<p>Receiving all visual input (D)</p> Signup and view all the answers

What allows for edge detection in the visual system?

<p>Arrangement of Centre-Surround RGC (C)</p> Signup and view all the answers

What is the role of bipolar cells in the retina?

<p>Combine graded potentials (A)</p> Signup and view all the answers

What does a muted response in the receptive field indicate?

<p>The light covers the centre and surround (D)</p> Signup and view all the answers

Which part of the eye is sensitive to light waves of about 400 – 700nm?

<p>The human eye (C)</p> Signup and view all the answers

What does a large off-centre response represent in edge detection?

Signup and view all the answers

What is the distribution of photoreceptors like outside the fovea?

<p>Rods are much more common than cones (B)</p> Signup and view all the answers

What is the function of the ganglion axons in the retina?

<p>Form the optic nerve (A)</p> Signup and view all the answers

What are the photoreceptors in the fovea exclusively made of?

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

What is the role of the lateral geniculate nucleus (LGN) in visual processing?

<p>Transmit signals to the visual cortex (C)</p> Signup and view all the answers

What is the distance between two peaks of a light wave?

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

What does the amplitude of a light wave correspond to?

<p>Intensity (A)</p> Signup and view all the answers

What type of light conditions are cones sensitive to?

<p>High light conditions (photopic) (A)</p> Signup and view all the answers

Which part of the retina consists exclusively of cones?

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

What are the electrical messages that neurons send each other?

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

Where do 90% of retinal ganglion cells (RGN) project to?

<p>Lateral geniculate nucleus (LGN) (D)</p> Signup and view all the answers

Which part of the brain receives all visual input and begins processing of color, motion, and shape?

<p>V1 Primary visual cortex (C)</p> Signup and view all the answers

What do cells in the V1 Primary visual cortex have?

<p>The smallest receptive field (D)</p> Signup and view all the answers

What is the average spacing across the retina?

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

What is the width of a photoreceptor?

<p>1 micrometre (C)</p> Signup and view all the answers

What is the primary function of bipolar cells?

<p>Combine graded potentials, transmit to ganglion cells (D)</p> Signup and view all the answers

What does the optic nerve carry signals to?

<p>The visual cortex (A)</p> Signup and view all the answers

What is the primary function of the lateral geniculate nucleus (LGN) in visual processing?

<p>Receives all visual input and begins processing of color, motion, and shape (D)</p> Signup and view all the answers

What is the role of bipolar cells in the retina?

<p>Combine graded potentials and transmit to ganglion cells (D)</p> Signup and view all the answers

What does the amplitude of a light wave correspond to?

<p>Intensity (A)</p> Signup and view all the answers

What is the distance between two peaks of a light wave?

<p>Wavelength (A)</p> Signup and view all the answers

What is the function of the ganglion axons in the retina?

<p>Transmit information about a stimulus from one part of the brain to another via neurons (B)</p> Signup and view all the answers

What is the range of Michelson contrast value?

<p>0 to 1 (C)</p> Signup and view all the answers

What is the unit of measurement for luminance?

<p>Candela per square meter (cd/m$^2$) (A)</p> Signup and view all the answers

What do cells in the primary visual cortex have?

<p>The smallest receptive field (C)</p> Signup and view all the answers

What is the width of a photoreceptor?

<p>1 micrometer (C)</p> Signup and view all the answers

What allows for edge detection in the visual system?

<p>Large off-centre response (C)</p> Signup and view all the answers

What is the distribution of photoreceptors like outside the fovea?

<p>Rods are much more common than cones (D)</p> Signup and view all the answers

What is the role of 90% of retinal ganglion cells (RGN)?

<p>Project to the lateral geniculate nucleus (LGN) (D)</p> Signup and view all the answers

What is the formula for Michelson contrast?

<p>$(L_{max} - L_{min}) / (L_{max} + L_{min})$ (D)</p> Signup and view all the answers

What type of ganglion cells respond to high-level lights and have smaller receptive fields?

<p>Midget ganglion cells (A)</p> Signup and view all the answers

What influences contrast sensitivity according to the text?

<p>Size and arrangement of receptive fields (B)</p> Signup and view all the answers

What is the role of 90% of retinal ganglion cells (RGC)?

<p>Transmit visual information to the brain (D)</p> Signup and view all the answers

What is the unit of measurement for luminance?

<p>Candelas per square metre (cd/m2) (C)</p> Signup and view all the answers

What is the function of the ganglion axons in the retina?

<p>Transmit visual signals to the brain (D)</p> Signup and view all the answers

What allows for edge detection in the visual system?

<p>Arrangement of Centre-Surround ganglion cells (C)</p> Signup and view all the answers

What type of processing occurs in V1 regarding the linear receptive fields of RGC and LGN?

<p>Non-linear processing (A)</p> Signup and view all the answers

What does the amplitude of a light wave correspond to?

<p>Intensity of light (A)</p> Signup and view all the answers

What is the width of a photoreceptor?

<p>2-10 micrometers (D)</p> Signup and view all the answers

What is the primary function of bipolar cells in the retina?

<p>Receive input from photoreceptors and transmit signals to ganglion cells (A)</p> Signup and view all the answers

What is the distribution of photoreceptors like outside the fovea?

<p>Rods are more concentrated than cones (A)</p> Signup and view all the answers

What is the role of the ganglion axons in the retina?

<p>Transmit signals to the visual cortex (D)</p> Signup and view all the answers

What is the function of 90% of retinal ganglion cells (RGN)?

<p>Project to the lateral geniculate nucleus (LGN) (A)</p> Signup and view all the answers

What does the amplitude of a wave correspond to?

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

What is the role of bipolar cells in the retina?

<p>Combine graded potentials (C)</p> Signup and view all the answers

What is the distribution & spacing of photoreceptors like outside the fovea?

<p>Rods are much more common than cones (B)</p> Signup and view all the answers

What allows for edge detection in the visual system?

<p>Bipolar cells (A)</p> Signup and view all the answers

What is the unit of measurement for luminance?

<p>Candela per square meter (cd/m^2) (B)</p> Signup and view all the answers

What is the primary visual cortex called?

<p>V1 (B)</p> Signup and view all the answers

What are the cells in the primary visual cortex responsible for?

<p>Receiving all visual input and processing color, motion, and shape (D)</p> Signup and view all the answers

What type of ganglion cells respond to low light conditions and have larger receptive fields?

<p>Off-centre ganglion cells (B)</p> Signup and view all the answers

What is the distance between two peaks in a wave called?

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

What influences contrast sensitivity?

<p>The spacing of photoreceptors (D)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser