Object Recognition : Insights From Advances in fMRI Methods  

Oleh:

Grill-Spector, Kalanit ; Sayres, Rory

Jenis: Article from Journal - e-Journal
Dalam koleksi: Current Directions in Psychological Science vol. 17 no. 02 (Apr. 2008), page 73-79.
Topik: object recognition; face recognition; fMRI adaptation; pattern analyses; high-resolution fMRI.
Fulltext: 04. Object Recognition - Insights From Advances in fMRI Methods.pdf (388.08KB)

Isi artikel

Recent advancements in imaging methods and analysis approaches have provided important insights about the neural bases of object recognition. We address the potential limitations of standard functional magnetic resonance imaging (fMRI) and discuss methodological advancements, including fMRI-adaptation, pattern analyses, and high-resolution fMRI, that may be more appropriate for studying object and face representations. fMRI adaptation and high-resolution fMRI measure responses of neural subpopulations within standard fMRI voxels, and pattern analyses examine the information in the distributed activations across voxels, which may differ from the mean response across these voxels. These methods have provided evidence for a multitude of representations across the human ventral stream that provide empirical constraints for cognitive theories of recognition.

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