Decoding the visual and subjective contents of the human brain

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Paper (help)
Decoding the visual and subjective contents of the human brain
Authors: Yukiyasu Kamitani, Frank Tong
Citation: Nature neuroscience 8 (5): 679-675. 2005 May
Database(s): PubMed (PMID/15852014)
DOI: 10.1038/nn1444.
PMCID:1808230
Link(s): http://brainmind.umin.jp/public/kamitani2005nn.pdf
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Decoding the visual and subjective contents of the human brain is a functional magnetic resonance imaging (fMRI) study to determine whether the orientation of a grating of visual stimuli can be predicted by an analysis of the neuroimage. It was also investigated whether attended orientation grating could be predicted.

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[edit] Subjects

Subject group #1 (help)
Healthy adults
Subjects/♂/♀: 4 /  /
Age: (–)
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Approval: Institutional Review Panel for Human Subjects at Princeton University
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Group 1 of 4 healthy adults were included in the study.

The study on the human subjects was approved by the Institutional Review Panel for Human Subjects at Princeton University.

[edit] Method

MRI scanning with 3.0-Tesla Siemens MAGNETOM Allegra, followed by 3-D motion correction. The fMRI data was aligned to retinotopic mapping with BrainVoyager.

Voxels selected for further analysis was from the cortical surface of V1 to V4 and MT+, 200 voxels for each of the areas V1-4 and 100 voxels from MT+.

A linear support vector machine was trained on this data.

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