Read the passage below and answer the question:

"Cognitive psychologists note that multitasking is largely a neurological misnomer. The human brain does not process multiple demanding tasks in parallel; rather, it engages in rapid 'task-switching', which imposes cognitive switching costs that degrade overall accuracy and executive function."

According to the passage, why is multitasking a 'neurological misnomer'?

Answer and explanation

Correct answer: C. The brain rapidly switches attention rather than processing tasks in parallel

  1. Step 1: Locate the direct explanation in the passage: 'The human brain does not process multiple demanding tasks in parallel; rather, it engages in rapid task-switching'.
  2. Step 2: Multitasking is a misnomer because the brain is alternating focus rather than truly executing simultaneous parallel processing.
Answer
The brain rapidly switches attention rather than processing tasks in parallel.
Why not the others: 'The human brain possesses infinite cognitive bandwidth for concurrent tasks' directly contradicts the text's focus on cognitive limits and switching costs; 'Task-switching permanently enhances neurological memory retention' asserts the opposite of 'degrades overall accuracy'; 'Executive function operates independently of all cerebral brain activity' is scientifically false.

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