Genie's elderly aunt believes that she is forgetting things because her brain is shrinking with age.Genie,a psychology student,laughs at her aunt's ideas,and retorts her belief with the following piece of evidence
A) the adult brain from the age of 40 onwards loses significant numbers of neurons each day.
B) we are born with all the neurons we will ever have.
C) if the brain is shrinking, it is due to water loss of myelin and not loss of neurons.
D) new neurons are formed in certain parts of the brain throughout the lifespan.

Question

Quizplus · Accepted Answer

D is the best choice as it is true that new neurons can be formed in certain parts of the brain throughout the lifespan, so the brain is not necessarily shrinking due to neuron loss. A is also somewhat true, but losing neurons does not necessarily mean the brain is shrinking overall. B and C are not directly relevant to the question.

Genie's Elderly Aunt Believes That She Is Forgetting Things Because