Marois Rene
Last active: 4/10/2017

Visual short-term memory load suppresses temporo-parietal junction activity and induces inattentional blindness.

Todd JJ, Fougnie D, Marois R
Psychol Sci. 2005 16 (12): 965-72

PMID: 16313661 · DOI:10.1111/j.1467-9280.2005.01645.x

The right temporo-parietal junction (TPJ) is critical for stimulus-driven attention and visual awareness. Here we show that as the visual short-term memory (VSTM) load of a task increases, activity in this region is increasingly suppressed. Correspondingly, increasing VSTM load impairs the ability of subjects to consciously detect the presence of a novel, unexpected object in the visual field. These results not only demonstrate that VSTM load suppresses TPJ activity and induces inattentional blindness, but also offer a plausible neural mechanism for this perceptual deficit: suppression of the stimulus-driven attentional network.

MeSH Terms (10)

Adult Attention Female Humans Magnetic Resonance Imaging Male Memory, Short-Term Parietal Lobe Temporal Lobe Visual Perception

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