کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6262806 1613813 2015 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Research ReportTop-down controlled and bottom-up triggered orienting of auditory attention to pitch activate overlapping brain networks
ترجمه فارسی عنوان
گزارش تحقیق از طریق کنترل و پایین به بالا موجب توجه گوش دادن به فعالیت زمین در شبکه های مغزی می شود
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب (عمومی)
چکیده انگلیسی


- Top-down and bottom-up initiated auditory attention activate overlapping brain areas.
- Attention to pitch and attention to location of sounds share same cortical areas.
- Cortical networks for auditory attention overlap with those reported for vision.

A number of previous studies have suggested segregated networks of brain areas for top-down controlled and bottom-up triggered orienting of visual attention. However, the corresponding networks involved in auditory attention remain less studied. Our participants attended selectively to a tone stream with either a lower pitch or higher pitch in order to respond to infrequent changes in duration of attended tones. The participants were also required to shift their attention from one stream to the other when guided by a visual arrow cue. In addition to these top-down controlled cued attention shifts, infrequent task-irrelevant louder tones occurred in both streams to trigger attention in a bottom-up manner. Both cued shifts and louder tones were associated with enhanced activity in the superior temporal gyrus and sulcus, temporo-parietal junction, superior parietal lobule, inferior and middle frontal gyri, frontal eye field, supplementary motor area, and anterior cingulate gyrus. Thus, the present findings suggest that in the auditory modality, unlike in vision, top-down controlled and bottom-up triggered attention activate largely the same cortical networks. Comparison of the present results with our previous results from a similar experiment on spatial auditory attention suggests that fronto-parietal networks of attention to location or pitch overlap substantially. However, the auditory areas in the anterior superior temporal cortex might have a more important role in attention to the pitch than location of sounds.This article is part of a Special Issue entitled SI: Prediction and Attention.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Brain Research - Volume 1626, 11 November 2015, Pages 136-145
نویسندگان
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