Abstract and Keywords
Functional magnetic resonance imaging (fMRI) has enabled neuroscientists and psychologists to understand the neural bases of object recognition in humans. This chapter reviews fMRI research that yielded important insights about the nature of object representations in the human brain. Combining fMRI with psychophysics may offer clues about what kind of visual processing is implemented in distinct cortical regions. This chapter explores how fMRI has influenced current understanding of object representations by focusing on two aspects of object representation: how the underlying representations provide for invariant object recognition and how category information is represented in the ventral stream. It first provides a brief introduction of the functional organization of the human ventral stream and a definition of object-selective cortex before describing cue-invariant responses in the lateral occipital complex (LOC), neural bases of invariant object recognition, object and position information in the LOC, and viewpoint sensitivity across the LOC. The chapter concludes by commenting on debates about the nature of functional organization in the human ventral stream.
Keywords: functional magnetic resonance imaging, object recognition, psychophysics, brain, object representation, category information, ventral stream, object-selective cortex, lateral occipital complex, functional organization
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