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  Procedural learning in Broca's aphasia: Dissociation between the implicit acquisition of spatio-motor and phoneme sequences

Goschke, T., Friederici, A. D., Kotz, S. A., & van Kampen, A. (2001). Procedural learning in Broca's aphasia: Dissociation between the implicit acquisition of spatio-motor and phoneme sequences. Journal of Cognitive Neuroscience, 13(3), 370-388.

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 Urheber:
Goschke, Thomas1, Autor           
Friederici, Angela D.2, Autor           
Kotz, Sonja A.2, Autor           
van Kampen, A.2, Autor           
Affiliations:
1MPI for Psychological Research (Munich, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634573              
2MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634574              

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 Zusammenfassung: Procedural learning of spatio-motor and phoneme sequences was investigated in patients with Broca's and Wernicke's aphasia and age-matched controls. In Experiment 1, participants performed a standard serial reaction task (SRT) in which they manually responded to a repeating sequence of stimulus locations. Both Broca's and Wernicke's aphasics showed intact sequence learning, as indicated by a reliable response time (RT) cost when the repeating sequence was switched to a random sequence. In Experiment 2, Broca's aphasics and controls performed a new serial search task (SST), which allowed us to investigate the learning of a spatio-motor sequence and a phoneme sequence independently from each other. On each trial, four letters were presented visually, followed by a single auditorily presented letter. Participants had to press one of four response keys to indicate the location of the auditory letter in the visual display. The arrangement of the visual letters was changed from trial to trial such that either the key-presses or the auditory letters followed a repeating pattern, while the other sequence was random. While controls learned both the key-press and the phoneme sequences, Broca's aphasics were selectively impaired in learning the phoneme sequence. This dissociation between learning of spatio-motor and phoneme sequences supports the assumption that partially separable brain systems are involved in procedural learning of different types of sequential structures.

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Sprache(n): eng - English
 Datum: 2001
 Publikationsstatus: Erschienen
 Seiten: -
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: eDoc: 239149
ISI: 000168273500008
Anderer: P6699
 Art des Abschluß: -

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Titel: Journal of Cognitive Neuroscience
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Cambridge, MA : MIT Press Journals
Seiten: - Band / Heft: 13 (3) Artikelnummer: - Start- / Endseite: 370 - 388 Identifikator: ISSN: 0898-929X
CoNE: https://pure.mpg.de/cone/journals/resource/991042752752726