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Sound-induced enhancement of low-intensity vision: multisensory influences on human sensory-specific cortices and thalamic bodies relate to perceptual enhancement of visual detection sensitivity

(2010) JOURNAL OF NEUROSCIENCE. 30(41). p.13609-13623
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Abstract
Combining information across modalities can affect sensory performance. We studied how co-occurring sounds modulate behavioral visual detection sensitivity (d'), and neural responses, for visual stimuli of higher or lower intensity. Co-occurrence of a sound enhanced human detection sensitivity for lower-but not higher-intensity visual targets. Functional magnetic resonance imaging (fMRI) linked this to boosts in activity-levels for sensory-specific visual and auditory cortex, plus multisensory superior temporal sulcus (STS), specifically for a lower-intensity visual event when paired with a sound. Thalamic structures in visual and auditory pathways, the lateral and medial geniculate bodies, respectively (LGB, MGB), showed a similar pattern. Subject-by-subject psychophysical benefits correlated with corresponding fMRI signals in visual, auditory, and multisensory regions. We also analyzed differential "coupling" patterns of LGB and MGB with other regions in the different experimental conditions. Effective-connectivity analyses showed enhanced coupling of sensory-specific thalamic bodies with the affected cortical sites during enhanced detection of lower-intensity visual events paired with sounds. Coupling strength between visual and auditory thalamus with cortical regions, including STS, covaried parametrically with the psychophysical benefit for this specific multisensory context. Our results indicate that multisensory enhancement of detection sensitivity for low-contrast visual stimuli by co-occurring sounds reflects a brain network involving not only established multisensory STS and sensory-specific cortex but also visual and auditory thalamus.
Keywords
INVERSE EFFECTIVENESS, RESPONSE PROPERTIES, AUDIOVISUAL INTEGRATION, HUMAN BRAIN, OBJECT RECOGNITION, NEURONAL OSCILLATIONS, PRIMARY AUDITORY-CORTEX, LATERAL GENICULATE-NUCLEUS, PUZZLINGLY HIGH CORRELATIONS, SUPERIOR TEMPORAL SULCUS

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MLA
Noesselt, Toemme et al. “Sound-induced Enhancement of Low-intensity Vision: Multisensory Influences on Human Sensory-specific Cortices and Thalamic Bodies Relate to Perceptual Enhancement of Visual Detection Sensitivity.” JOURNAL OF NEUROSCIENCE 30.41 (2010): 13609–13623. Print.
APA
Noesselt, T., Tyll, S., Böhler, N., Budinger, E., Heinze, H. J., & Driver, J. (2010). Sound-induced enhancement of low-intensity vision: multisensory influences on human sensory-specific cortices and thalamic bodies relate to perceptual enhancement of visual detection sensitivity. JOURNAL OF NEUROSCIENCE, 30(41), 13609–13623.
Chicago author-date
Noesselt, Toemme, Sascha Tyll, Nico Böhler, Eike Budinger, Hans Jochen Heinze, and Jon Driver. 2010. “Sound-induced Enhancement of Low-intensity Vision: Multisensory Influences on Human Sensory-specific Cortices and Thalamic Bodies Relate to Perceptual Enhancement of Visual Detection Sensitivity.” Journal of Neuroscience 30 (41): 13609–13623.
Chicago author-date (all authors)
Noesselt, Toemme, Sascha Tyll, Nico Böhler, Eike Budinger, Hans Jochen Heinze, and Jon Driver. 2010. “Sound-induced Enhancement of Low-intensity Vision: Multisensory Influences on Human Sensory-specific Cortices and Thalamic Bodies Relate to Perceptual Enhancement of Visual Detection Sensitivity.” Journal of Neuroscience 30 (41): 13609–13623.
Vancouver
1.
Noesselt T, Tyll S, Böhler N, Budinger E, Heinze HJ, Driver J. Sound-induced enhancement of low-intensity vision: multisensory influences on human sensory-specific cortices and thalamic bodies relate to perceptual enhancement of visual detection sensitivity. JOURNAL OF NEUROSCIENCE. 2010;30(41):13609–23.
IEEE
[1]
T. Noesselt, S. Tyll, N. Böhler, E. Budinger, H. J. Heinze, and J. Driver, “Sound-induced enhancement of low-intensity vision: multisensory influences on human sensory-specific cortices and thalamic bodies relate to perceptual enhancement of visual detection sensitivity,” JOURNAL OF NEUROSCIENCE, vol. 30, no. 41, pp. 13609–13623, 2010.
@article{1895857,
  abstract     = {Combining information across modalities can affect sensory performance. We studied how co-occurring sounds modulate behavioral visual detection sensitivity (d'), and neural responses, for visual stimuli of higher or lower intensity. Co-occurrence of a sound enhanced human detection sensitivity for lower-but not higher-intensity visual targets. Functional magnetic resonance imaging (fMRI) linked this to boosts in activity-levels for sensory-specific visual and auditory cortex, plus multisensory superior temporal sulcus (STS), specifically for a lower-intensity visual event when paired with a sound. Thalamic structures in visual and auditory pathways, the lateral and medial geniculate bodies, respectively (LGB, MGB), showed a similar pattern. Subject-by-subject psychophysical benefits correlated with corresponding fMRI signals in visual, auditory, and multisensory regions. We also analyzed differential "coupling" patterns of LGB and MGB with other regions in the different experimental conditions. Effective-connectivity analyses showed enhanced coupling of sensory-specific thalamic bodies with the affected cortical sites during enhanced detection of lower-intensity visual events paired with sounds. Coupling strength between visual and auditory thalamus with cortical regions, including STS, covaried parametrically with the psychophysical benefit for this specific multisensory context. Our results indicate that multisensory enhancement of detection sensitivity for low-contrast visual stimuli by co-occurring sounds reflects a brain network involving not only established multisensory STS and sensory-specific cortex but also visual and auditory thalamus.},
  author       = {Noesselt, Toemme and Tyll, Sascha and Böhler, Nico and Budinger, Eike and Heinze, Hans Jochen and Driver, Jon},
  issn         = {0270-6474},
  journal      = {JOURNAL OF NEUROSCIENCE},
  keywords     = {INVERSE EFFECTIVENESS,RESPONSE PROPERTIES,AUDIOVISUAL INTEGRATION,HUMAN BRAIN,OBJECT RECOGNITION,NEURONAL OSCILLATIONS,PRIMARY AUDITORY-CORTEX,LATERAL GENICULATE-NUCLEUS,PUZZLINGLY HIGH CORRELATIONS,SUPERIOR TEMPORAL SULCUS},
  language     = {eng},
  number       = {41},
  pages        = {13609--13623},
  title        = {Sound-induced enhancement of low-intensity vision: multisensory influences on human sensory-specific cortices and thalamic bodies relate to perceptual enhancement of visual detection sensitivity},
  url          = {http://dx.doi.org/10.1523/JNEUROSCI.4524-09.2010},
  volume       = {30},
  year         = {2010},
}

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