Abstract:
:The visual word form area (VWFA) has been consistently identified as a crucial structure in visual word processing. Nevertheless, it is controversial whether the VWFA represents external visual information (e.g., case information) of visual words. To address that question, we functionally localized VWFA at the group level (gVWFA) and at the individual level (iVWFA), and used multivariate pattern analysis (MVPA) to explore the information representation in the VWFA during an implicit reading task (i.e., a passive viewing task). Univariate activation analysis revealed that participants showed stronger activations for uppercase English words compared to lowercase ones in the VWFA. MVPA further revealed that the classifier trained based on lowercase words versus letter strings significantly distinguished uppercase words versus letter strings in the iVWFA, while that trained based on lowercase words versus uppercase words distinguished lowercase letter strings versus uppercase letter strings neither in the gVWFA nor in the iVWFA. These results suggest that the VWFA does not represent case information, but represents case-independent linguistic information. Our findings elaborate the function in the VWFA and support the VWFA hypothesis.
journal_name
Neurosciencejournal_title
Neuroscienceauthors
Lu C,Li H,Fu R,Qu J,Yue Q,Mei Ldoi
10.1016/j.neuroscience.2020.10.040subject
Has Abstractpub_date
2021-01-01 00:00:00pages
49-62eissn
0306-4522issn
1873-7544pii
S0306-4522(20)30716-8journal_volume
452pub_type
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