کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
10466543 | 925765 | 2008 | 5 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Linking performance with brain potentials: Mental rotation-related negativity revisited
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کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب رفتاری
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چکیده انگلیسی
It has been suggested that the amplitude of parietal event-related potentials (ERPs) provides a neural signature of imaginary object rotation. Here, we evaluated the relationship between the so-called rotation-related negativity and individual performance in the mental rotation of alphanumeric characters. The signals were averaged with respect to two time events, stimulus onset (ERPONSET) and response time (ERPRT) indexing, respectively, an early and a late phase of the mental rotation. The amplitude of a slow parietal negativity varied with the rotation angle in both ERPONSET and ERPRT. The amplitude of this potential correlated negatively with task performance, indexed by response time. This was the case in ERPRT but not in ERPONSET. We further show that variations of the ERPONSET amplitude with the rotation angle might at least partially result from increased duration/latency jitter among single trials. These results suggest that late rather than early processing supports task solution in mental rotation.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Neuropsychologia - Volume 46, Issue 13, November 2008, Pages 3069-3073
Journal: Neuropsychologia - Volume 46, Issue 13, November 2008, Pages 3069-3073
نویسندگان
Igor RieÄanský, Fedor Jagla,