Pupil dilation as a marker of attention/effort in aging and mild cognitive impairment.

Alzheimers Dement · 2026 · PMC13093636 · PMID 41830112

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hedged sentence

0.2800

closest p · 5.6× alpha

0.2800

boldest claim

The sentences

did not reach statistical significancep = 0.28not close (p > 0.1)

However, although the correlation appeared to be stronger for oddball stimuli ( r = −0.57) compared to standard stimuli ( r = −0.30), in MCI patients, this difference did not reach statistical significance, t (18) = −1.08, p = 0.28.

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