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      Morphological brain differences between adult stutterers and non-stutterers.

      1 , ,
      BMC neurology
      Springer Nature

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          Abstract

          The neurophysiological and neuroanatomical foundations of persistent developmental stuttering (PDS) are still a matter of dispute. A main argument is that stutterers show atypical anatomical asymmetries of speech-relevant brain areas, which possibly affect speech fluency. The major aim of this study was to determine whether adults with PDS have anomalous anatomy in cortical speech-language areas.

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          Most cited references62

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          A classification of hand preference by association analysis.

          M Annett (1970)
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            The musician's brain as a model of neuroplasticity

            Studies of experience-driven neuroplasticity at the behavioural, ensemble, cellular and molecular levels have shown that the structure and significance of the eliciting stimulus can determine the neural changes that result. Studying such effects in humans is difficult, but professional musicians represent an ideal model in which to investigate plastic changes in the human brain. There are two advantages to studying plasticity in musicians: the complexity of the eliciting stimulus music and the extent of their exposure to this stimulus. Here, we focus on the functional and anatomical differences that have been detected in musicians by modern neuroimaging methods.
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              Structure and function of auditory cortex: music and speech.

              We examine the evidence that speech and musical sounds exploit different acoustic cues: speech is highly dependent on rapidly changing broadband sounds, whereas tonal patterns tend to be slower, although small and precise changes in frequency are important. We argue that the auditory cortices in the two hemispheres are relatively specialized, such that temporal resolution is better in left auditory cortical areas and spectral resolution is better in right auditory cortical areas. We propose that cortical asymmetries might have developed as a general solution to the need to optimize processing of the acoustic environment in both temporal and frequency domains.
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                Author and article information

                Journal
                BMC Neurol
                BMC neurology
                Springer Nature
                1471-2377
                1471-2377
                Dec 10 2004
                : 4
                : 1
                Affiliations
                [1 ] Institute of Psychology, Department Neuropsychology, University Zurich, Switzerland. l.jaencke@psychologie.unizh.ch
                Article
                1471-2377-4-23
                10.1186/1471-2377-4-23
                539354
                15588309
                8c21a6bc-9908-473c-af14-bf7a774075fa
                History

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