The role of P300 in the recovery of post-stroke global aphasia

European Journal of Neurology : the Official Journal of the European Federation of Neurological Societies
G NolfeS Giaquinto

Abstract

Seventeen right-handed patients suffering from global aphasia caused by a recent stroke in the left-hemisphere were studied. Passive P300 auditory event related potential paradigm was applied every months for 6 months. Aachen subtests were used for evaluating comprehension. Only a minority of the patients displayed the P300 at the baseline. Those patients had the best outcome at the Aachen comprehension subtest. Latency and amplitude changed over time in an unpredictable way. The number of patients presenting with the P300 also fluctuated, since some patients could regain the potential, whereas some other patients could lose that from month to month. Passive P300 is a monitor of recovery following global aphasia. A single passive P300 recording is useful for prognostic purposes. Repairing mechanisms in the first 6 months have a non-linear trend.

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Citations

Jun 17, 2014·Journal of Rehabilitation Research and Development·Ronald N GoodmanLarry W Forrester
Nov 26, 2008·Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology·M C Rojas SosaK Jáuregui-Renaud
Aug 19, 2008·Journal of Clinical Nursing·Jan PringleElla McLafferty
Apr 6, 2021·Frontiers in Human Neuroscience·Sarah G H DaltonJessica D Richardson
May 28, 2021·Brain and Language·JoAnn P Silkes, Javad Anjum

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