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Question

Difficulty: MediumPart-to-Whole Rhetorical Function

For decades, cognitive scientists assumed that the human brain processes reading by translating written letters into their corresponding sounds. However, in a 2021 study, neuroscientist Elena Rostova utilized high-resolution fMRI scans to observe brain activity in real-time as subjects read both real words and pseudowords. Rostova discovered that the visual word form area (VWFA)—a region previously thought to be a simple visual relay station—activated significantly faster when subjects encountered familiar words compared to phonetically regular pseudowords. This finding suggests that the brain possesses a specialized, direct visual pathway for reading that bypasses the auditory translation process entirely for familiar terms. Consequently, researchers are beginning to re-evaluate traditional phonetic instruction models in early childhood education.

Which choice best describes the function of the underlined sentence in the text as a whole?

  1. It presents the empirical observation from Rostova's study that serves as the basis for the subsequent claim about the brain's reading pathways.Answer
  2. B
    It asserts the primary conclusion of the passage regarding the inadequacy of current early childhood education models.
  3. C
    It details the anatomical structure of the visual word form area to demonstrate how it acts as a visual relay station.
  4. D
    It speculates on the evolutionary reasons why the human brain developed a direct visual pathway for reading.

Answer

The correct option is the one stating that the sentence presents the empirical observation from Rostova's study that serves as the basis for the subsequent claim about the brain's reading pathways.
The correct option accurately identifies the function of the underlined sentence as presenting the scientific observation (the activation speed of the VWFA in Rostova's study) that serves as the evidence for the claim made in the following sentence (that a direct visual pathway exists which bypasses auditory translation).

Step-by-Step Solution

1
Analyze the underlined sentence to identify its specific content.
The underlined sentence states Rostova's discovery: the visual word form area activates significantly faster when encountering familiar words than when encountering pseudowords.
Understanding the precise information conveyed by the underlined portion is the first step in identifying its rhetorical function.
2
Analyze the sentence immediately following the underlined sentence to determine the logical connection between them.
The next sentence begins with 'This finding suggests...', indicating that it is drawing a broader conclusion (that the brain has a direct visual pathway bypassing auditory translation) from the empirical discovery in the underlined sentence.
This establishes the logical part-to-whole relationship: the underlined sentence provides the evidence/data point that supports the next sentence's conclusion.
3
Evaluate the choices to find the one that accurately describes this relationship.
The option stating that the sentence presents the empirical observation serving as the basis for the subsequent claim matches this logical role.
Verifying the correct choice requires aligning the analyzed part-to-whole relationship with the options provided.

Key Concept

Identifying how a specific sentence provides evidence or data to support a subsequent scientific claim in a passage.
Estimated Time:1m 30s
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Topics

Part-to-Whole Rhetorical Function

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