Processing Shapes in V1

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the primary projection area in the occipital cortex that receives input from the lateral geniculate nucleus (LGN)?

  • V3A
  • V1 (correct)
  • V4
  • V2

In V1, what does the 'blob pattern' represent?

  • Motion
  • Color and form
  • Form and motion
  • Color (correct)

What gives the occipital cortex distinctive patterns of 'blob' and 'interblob' in V1?

  • Cortical representation
  • Axons from magnocellular layers
  • Occular dominance columns
  • Input from LGN (correct)

Which area in the occipital cortex is responsible for processing motion mainly?

<p>V5 (C)</p> Signup and view all the answers

What is the main function of thin stripes in V2 of the occipital cortex?

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

Which neurons have larger receptive fields in the visual processing stream?

<p>Neurons with more cortical representation (C)</p> Signup and view all the answers

'Thick stripes' in V2 of the occipital cortex are associated with processing which aspect of visual information?

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

What is the rate of axon development labeled as 'fast' in the text?

<p>~10 mm/day (C)</p> Signup and view all the answers

When does dendritic arborization typically begin according to the text?

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

What is the approximate number of synapses in the human brain according to the text?

<p>~100 trillion (D)</p> Signup and view all the answers

In what time frame does synaptic density double in the visual cortex after birth?

<p>Between 2 and 4 months (C)</p> Signup and view all the answers

At what stage is cell differentiation essentially complete according to the text?

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

What do neurotropic chemicals do in relation to growth cones?

<p>Attract or repel them (D)</p> Signup and view all the answers

At what stage does dendrite development exceed axon development in speed?

<p>~2 years after birth (A)</p> Signup and view all the answers

When does synaptogenesis, the formation of synapses, primarily occur?

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

What is the rate of slow axon development mentioned in the text?

<p>~1 µm/day (B)</p> Signup and view all the answers

'Branching' in dendritic arborization typically occurs up to how many years after birth?

<p>~2 years old (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Browser