Nettleton distinguishes preferred mature character from excessive smoothness and discusses reported sensory changes that contemporary analyses did not adequately explain. His proposed physical explanations remain attributed historical hypotheses.
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Sensory maturation and proposed mechanisms; physical PDF 366–367
Paraphrase fidelity checked against selected locally OCR-read scanned passages; key pages 309, 313 and 532 visually checked. Verified does not mean historical or scientific assertions independently corroborated.
Nettleton distinguishes preferred mature character from excessive smoothness and discusses reported sensory changes that contemporary analyses did not adequately explain. His proposed physical explanations remain attributed historical hypotheses.
