Answered: myelination

Ciccarelli: Psychology_5 (5th Edition)

5th Edition

ISBN:9780134477961

Author:Saundra K. Ciccarelli, J. Noland White

Publisher:Saundra K. Ciccarelli, J. Noland White

Chapter1: The Science Of Psychology

Section: Chapter Questions

Problem 1TY

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Question

Which of the following is NOT true about the role of myelination in neural development across the lifespan?

Group of answer choices

A.The breakdown of myelin is connected with multiple sclerosis and Alzheimer’s disease.

B.The process of myelination is generally thought to be complete by the time a person reaches twenty years old.

C.It is connected with advances in motor control and cognitive ability.

D.It is connected with advances in working memory and language ability.

Expert Solution

Step 1

-Myelination is described as a process in which an increase in the "fatty sheath" that surrounds neuronal processes occurs and fibers that tends to increase the efficiency of "electrical transmission". The process of myelination is considered vitally crucial to an individual's healthy "central nervous system or CNS" functioning.

-Myelination tends to allow an increased & rapid transmission of "neural information" alongside neural fibers and is peculiarly critical in a "cerebral nervous system" which is dependent on various "long axon connections" between subcortical & cortical structures, hemispheres, and lobes.