Christian Abry

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We used functional magnetic resonance imaging (fMRI) to localize the brain areas involved in the imagery analogue of the verbal transformation effect, that is, the perceptual changes that occur when a speech form is cycled in rapid and continuous mental repetition. Two conditions were contrasted: a baseline condition involving the simple mental repetition(More)
Perceptual changes are experienced during rapid and continuous repetition of a speech form, leading to an auditory illusion known as the verbal transformation effect. Although verbal transformations are considered to reflect mainly the perceptual organization and interpretation of speech, the present study was designed to test whether or not speech(More)
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The left inferior frontal gyrus (LIFG, BA 44, 45, 47) has been associated with linguistic processing (from sentenceto syllable-parsing) as well as action analysis. We hypothesize that the function of the LIFG may be the monitoring of action, a function well adapted to agent deixis (verbal pointing at the agent of an action). The aim of this fMRI study was(More)
In a recent paper in this journal, Polka and Bohn [Polka, L., Bohn, O.-S., 2003. Asymmetries in vowel perception. Speech Communication 41, 221–231] display a robust asymmetry effect in vowel discrimination, present in infants as well as adults. They interpret this effect as a preference for peripheral vowels, providing an anchor for comparison. We discuss(More)
The modeling of anticipatory coarticulation has been the subject of longstanding debates for more than 40 yr. Empirical investigations in the articulatory domain have converged toward two extreme modeling approaches: a maximal anticipation behavior (Look-ahead model) or a fixed pattern (Time-locked model). However, empirical support for any of these models(More)
A new articulatory model GENTIANE — elaborated from an Xray film built on a corpus of VCV sequences performed by a skilled French speaker — enabled us to analyse coarticulation of main consonant types in vowel contexts from a degrees of freedom approach. The data displayed an overall coarticulatory versatility, except for an absolute invariance in the(More)
At the beginning of the 90s, it was definitively demonstrated that as early as the visual speech information is perceivable, speech identification can be processed. Cathiard & al. (1991; see also Cathiard, 1994, Cathiard & al., 1996) used different V-to-V anticipatory spans, with articulatory measurements, along silent pauses, in a perceptual gating(More)