Question

Name two kinds of evidence indicating that touch information from the fingers activates the occipital cortex of people blind since birth.

Name: Problem 23, Chapter 4: Biological Psychology
Uploaded: 2020-10-09T22:03:47-08:00
Duration: 1 min 19 s
Channel: Samia Islam
Description: Name two kinds of evidence indicating that touch information from the fingers activates the occipital cortex of people blind since birth.

   Name two kinds of evidence indicating that touch information from the fingers activates the occipital cortex of people blind since birth.

Biological Psychology

James W. Kalat 13th Edition

Chapter 4, Problem 23

Instant Answer

Solved by Expert Samia Islam

10/09/2020

Step 1

These scans showed increased activity in the occipital cortex when blind individuals were reading Braille through touch. This is significant because the occipital cortex is typically associated with processing visual information. In sighted individuals, this part Show more…

Show all steps

Thanks for your feedback!

Name two kinds of evidence indicating that touch information from the fingers activates the occipital cortex of people blind since birth.

Play audio

Feedback

Samia Islam and 79 other subject Biology educators are ready to help you.

Ask a new question

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Functional Neuroimaging Evidence

This concept involves using imaging techniques, such as functional Magnetic Resonance Imaging (fMRI) or Positron Emission Tomography (PET), to observe and measure brain activity. In studies of sensory reorganization, these techniques have revealed that the occipital cortex, normally involved in visual processing, is activated during tactile tasks, providing concrete evidence of cross-modal plasticity in individuals lacking visual input.

Cross-Modal Plasticity

This concept refers to the brain’s ability to reassign functions from one sensory modality to another when the primary sensory input is absent. In individuals who are blind from birth, regions typically reserved for vision, such as the occipital cortex, may become involved in processing other types of sensory information like touch. This reorganization highlights the brain’s adaptability in response to altered sensory experiences.

Please give Ace some feedback