Sal had a severe stroke that left him unable to talk for a year.However, during the second year, he gradually regained his ability to speak.What is the most probable explanation for what happened?
A)The neurons regenerated
B)Neurons split to form new neurons
C)Stem cells initiated the formation of new cells
D)The brain rerouted the neurons around the damaged area

Question

Quizplus · Accepted Answer

The most probable explanation for Sal's gradual recovery of speech is that the brain rerouted the neurons around the damaged area. This process, known as neuroplasticity, allows the brain to adjust and form new connections, compensating for injury or disease. Neurons themselves do not regenerate or split in the adult human brain, and while stem cells do contribute to the formation of new cells in certain parts of the brain, their role in recovery from stroke through the direct replacement of lost neurons is still a subject of research and not the primary mechanism for the recovery of functions like speech.

Sal Had a Severe Stroke That Left Him Unable to Talk