In "Why Do People Make Music," it is revealed that researchers discovered human neurons that only responded to singing — not speech or music played on instruments.

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Question

In "Why Do People Make Music," it is revealed that researchers discovered human neurons that only responded to singing — not speech or music played on instruments.

Notice: The questions and answer sets for this quiz are protected under copyright, and may not be reproduced without the author's consent.

BlackTom AI · Accepted Answer

Neuroscience research has identified brain regions and neural populations that prefer musical sounds or vocal sounds, but researchers did not claim discovery of neurons that respond only to singing while completely ignoring both speech and instrumental music — so the statement is false.

1) Relevant knowledge points and concepts
- Neural selectivity: neurons or regions can show preferential (stronger) responses to certain sound categories (speech, vocalizations, music), but “preference” is not the same as absolute exclusivity.
- Methods: fMRI and intracranial recordings (ECoG) reveal tuned responses at different spatial scales; results are interpreted probabilistically, not as on/off detectors that respond to one stimulus category and never to others.

2) Step-by-step reasoning
- Reports cited in popular pieces like "Why Do People Make Music" summarize studies showing music-selective cortical responses and voice-selective regions.
- Some studies found neural populations that respond more to singing than to instrumental music, and other populations that respond to vocal sounds (speech and song).
- Crucially, the empirical findings indicate graded selectivity (stronger response to one category) rather than absolute, exclusive firing only for singing and zero response to speech or instruments.

3) Calculations/intermediate steps
- Not applicable; reasoning is qualitative and based on interpreting experimental results (comparisons of response magnitudes across stimulus categories).

4) Why the correct answer is correct
- The published neuroscience literature and summaries do not support the extreme claim that single human neurons respond exclusively to singing and not at all to speech or instrument music. Instead, researchers report populations or regions with higher activation for musical sounds or vocal music, but overlap exists with responses to speech and other vocal sounds.

5) Why the other option (True) is incorrect
- Saying “True” would assert an absolute discovery (neurons that only responded to singing) that overstates and mischaracterizes the empirical findings; studies show preferential, not exclusive, responses.

6) Conclusion
- Therefore the correct choice is False, which matches the provided answer.

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