Asynchronous Judgment-specific Brain Activity during Audio-visual Temporal Order Judgment Task: A Functional MRI Study

  title={Asynchronous Judgment-specific Brain Activity during Audio-visual Temporal Order Judgment Task: A Functional MRI Study},
  author={T. Ina and Satoshi Tanaka and Y. Ishibashi and Y. Aramaki and N. Sadato and A. Iwata},
The purpose of the present study was to investigate the judgment-specific brain activity during audio-visual temporal order judgment task using functional magnetic resonance imaging (functional MRI). Twenty healthy volunteers were asked to judge whether visual and auditory stimuli were presented synchronously or not in a MRI. As the result, the frontal and parietal cortex, cerebellum and thalamus were significantly activated during audio-visual synchronization task. More importantly, the right… Expand


Decoding the visual and subjective contents of the human brain
It is found that ensemble fMRI signals in early visual areas could reliably predict on individual trials which of eight stimulus orientations the subject was seeing, when subjects had to attend to one of two overlapping orthogonal gratings. Expand
Temporal Order Judgments Activate Temporal Parietal Junction
The first study found that the TOJ task resulted in greater bilateral activation of the temporal parietal junction (TPJ), which suggests that TPJ activation increases when the authors need to temporally sequence information, and supports the notion that the TPJ may be a crucial component of the “when” pathway. Expand
A multimodal cortical network for the detection of changes in the sensory environment
A distributed, multimodal network for involuntary attention to events in the sensory environment is revealed that contains areas thought to underlie the P300 event-related potential and closely corresponds to the set of cortical regions damaged in patients with hemineglect syndromes. Expand
Neural Correlates of Visual Working Memory fMRI Amplitude Predicts Task Performance
The results indicate that accurate memory depends on strong sustained signals that span the delay interval of WM tasks. Expand
Activity in primary visual cortex predicts performance in a visual detection task
Activity in early visual cortex quantitatively predicted the subject's pattern-detection performance: when activity was greater, the subject was more likely to correctly discern the presence or absence of the pattern. Expand
The ‘when’ pathway of the right parietal lobe
The results suggest that the right parietal lobe serves as part of a when pathway for both visual fields, and it is proposed that the disruption of this mechanism is the underlying cause of a wide range of seemingly unrelated tasks being impaired inright parietal patients. Expand
Decoding reveals the contents of visual working memory in early visual areas
It is shown that orientations held in working memory can be decoded from activity patterns in the human visual cortex, even when overall levels of activity are low, and early visual areas can retain specific information about visual features held inWorking memory, over periods of many seconds when no physical stimulus is present. Expand
“sparse” temporal sampling in auditory fMRI
“sparse” temporal sampling is presented, using this technique, single volumes of brain images are acquired at the end of stimulus and baseline conditions, and the effective auditory stimulus for the activation is not masked by the scanner noise. Expand
Touch, sound and vision in human superior temporal sulcus
It is concluded that STSms is important for integrating information from the somatosensory as well as the auditory and visual modalities, and could be the human homolog of macaque STP. Expand
The Role of the Right Temporoparietal Junction in Social Interaction: How Low-Level Computational Processes Contribute to Meta-Cognition
  • J. Decety, C. Lamm
  • Psychology, Medicine
  • The Neuroscientist : a review journal bringing neurobiology, neurology and psychiatry
  • 2007
A quantitative meta-analysis of 70 functional neuroimaging studies demonstrates that the right inferior parietal cortex is also engaged in lower-level (bottom-up) computational processes associated with the sense of agency and reorienting attention to salient stimuli. Expand