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Fig. 1 | Alzheimer's Research & Therapy

Fig. 1

From: Behavioural and neuroanatomical correlates of auditory speech analysis in primary progressive aphasias

Fig. 1

Schematic representations of stimulus manipulations used to create the conditions in the experiment (see text for details). Top panels: examples of high and low predictability (low and high entropy) sequences, based on degree of correlation between pitch (fundamental frequency, f0) of successive syllables (highly correlated and approaching a sine-wave prosodic contour in the low entropy condition; uncorrelated in the high predictability condition). Middle panels: examples of isochronous (temporally regular) and anisochronous (temporally irregular) sequences. Bottom panels: spectrograms for syllable sequences in the natural and spectrally rotated (unintelligible) conditions. freq frequency

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