Representation of Semantic Similarity in the Left Intraparietal Sulcus: Functional Magnetic Resonance Imaging Evidence

Veerle Neyens, Rose Bruffaerts, Antonietta Gabriella Liuzzi, Ioannis Kalfas, Ronald Peeters, Emmanuel Keuleers, Rufin Vogels, Simon De Deyne, Gert Storms, Patrick Dupont, Rik Vandenberghe

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Abstract

According to a recent study, semantic similarity between concrete entities correlates with the similarity of activity patterns in left middle IPS during category naming. We examined the replicability of this effect under passive viewing conditions, the potential role of visuoperceptual similarity, where the effect is situated compared to regions that have been previously implicated in visuospatial attention, and how it compares to effects of object identity and location. Forty-six subjects participated. Subjects passively viewed pictures from two categories, musical instruments and vehicles. Semantic similarity between entities was estimated based on a concept-feature matrix obtained in more than 1000 subjects. Visuoperceptual similarity was modelled based on the HMAX model, the AlexNet deep convolutional learning model, and, thirdly, based on subjective visuoperceptual similarity ratings. Among the IPS regions examined, only left middle IPS showed a semantic similarity effect. The effect was significant in hIP1, hIP2 and hIP3. Visuoperceptual similarity did not correlate with similarity of activity patterns in left middle IPS. The semantic similarity effect in left middle IPS was significantly stronger than in the right middle IPS and also stronger than in the left or right posterior IPS. The semantic similarity effect was similar to that seen in the angular gyrus. Object identity effects were much more widespread across nearly all parietal areas examined. Location effects were relatively specific for posterior IPS and area 7 bilaterally. To conclude, the current findings replicate the semantic similarity effect in left middle IPS under passive viewing conditions, and demonstrate its anatomical specificity within a cytoarchitectonic reference frame. We propose that the semantic similarity effect in left middle IPS reflects the transient uploading of semantic representations in working memory.
Original languageEnglish
JournalFrontiers in Human Neuroscience
Volume11
DOIs
Publication statusPublished - 2017

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Short-Term Memory

Keywords

  • concept-feature matrix
  • fMRI
  • multivariate pattern analysis
  • musical instruments
  • Parietal cortex

Cite this

Neyens, Veerle ; Bruffaerts, Rose ; Liuzzi, Antonietta Gabriella ; Kalfas, Ioannis ; Peeters, Ronald ; Keuleers, Emmanuel ; Vogels, Rufin ; De Deyne, Simon ; Storms, Gert ; Dupont, Patrick ; Vandenberghe, Rik. / Representation of Semantic Similarity in the Left Intraparietal Sulcus : Functional Magnetic Resonance Imaging Evidence. In: Frontiers in Human Neuroscience. 2017 ; Vol. 11.
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title = "Representation of Semantic Similarity in the Left Intraparietal Sulcus: Functional Magnetic Resonance Imaging Evidence",
abstract = "According to a recent study, semantic similarity between concrete entities correlates with the similarity of activity patterns in left middle IPS during category naming. We examined the replicability of this effect under passive viewing conditions, the potential role of visuoperceptual similarity, where the effect is situated compared to regions that have been previously implicated in visuospatial attention, and how it compares to effects of object identity and location. Forty-six subjects participated. Subjects passively viewed pictures from two categories, musical instruments and vehicles. Semantic similarity between entities was estimated based on a concept-feature matrix obtained in more than 1000 subjects. Visuoperceptual similarity was modelled based on the HMAX model, the AlexNet deep convolutional learning model, and, thirdly, based on subjective visuoperceptual similarity ratings. Among the IPS regions examined, only left middle IPS showed a semantic similarity effect. The effect was significant in hIP1, hIP2 and hIP3. Visuoperceptual similarity did not correlate with similarity of activity patterns in left middle IPS. The semantic similarity effect in left middle IPS was significantly stronger than in the right middle IPS and also stronger than in the left or right posterior IPS. The semantic similarity effect was similar to that seen in the angular gyrus. Object identity effects were much more widespread across nearly all parietal areas examined. Location effects were relatively specific for posterior IPS and area 7 bilaterally. To conclude, the current findings replicate the semantic similarity effect in left middle IPS under passive viewing conditions, and demonstrate its anatomical specificity within a cytoarchitectonic reference frame. We propose that the semantic similarity effect in left middle IPS reflects the transient uploading of semantic representations in working memory.",
keywords = "concept-feature matrix, fMRI, multivariate pattern analysis, musical instruments, Parietal cortex",
author = "Veerle Neyens and Rose Bruffaerts and Liuzzi, {Antonietta Gabriella} and Ioannis Kalfas and Ronald Peeters and Emmanuel Keuleers and Rufin Vogels and {De Deyne}, Simon and Gert Storms and Patrick Dupont and Rik Vandenberghe",
year = "2017",
doi = "10.3389/fnhum.2017.00402",
language = "English",
volume = "11",
journal = "Frontiers in Human Neuroscience",
issn = "1662-5161",
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Neyens, V, Bruffaerts, R, Liuzzi, AG, Kalfas, I, Peeters, R, Keuleers, E, Vogels, R, De Deyne, S, Storms, G, Dupont, P & Vandenberghe, R 2017, 'Representation of Semantic Similarity in the Left Intraparietal Sulcus: Functional Magnetic Resonance Imaging Evidence', Frontiers in Human Neuroscience, vol. 11. https://doi.org/10.3389/fnhum.2017.00402

Representation of Semantic Similarity in the Left Intraparietal Sulcus : Functional Magnetic Resonance Imaging Evidence. / Neyens, Veerle; Bruffaerts, Rose; Liuzzi, Antonietta Gabriella; Kalfas, Ioannis; Peeters, Ronald; Keuleers, Emmanuel; Vogels, Rufin; De Deyne, Simon; Storms, Gert; Dupont, Patrick; Vandenberghe, Rik.

In: Frontiers in Human Neuroscience, Vol. 11, 2017.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Representation of Semantic Similarity in the Left Intraparietal Sulcus

T2 - Functional Magnetic Resonance Imaging Evidence

AU - Neyens, Veerle

AU - Bruffaerts, Rose

AU - Liuzzi, Antonietta Gabriella

AU - Kalfas, Ioannis

AU - Peeters, Ronald

AU - Keuleers, Emmanuel

AU - Vogels, Rufin

AU - De Deyne, Simon

AU - Storms, Gert

AU - Dupont, Patrick

AU - Vandenberghe, Rik

PY - 2017

Y1 - 2017

N2 - According to a recent study, semantic similarity between concrete entities correlates with the similarity of activity patterns in left middle IPS during category naming. We examined the replicability of this effect under passive viewing conditions, the potential role of visuoperceptual similarity, where the effect is situated compared to regions that have been previously implicated in visuospatial attention, and how it compares to effects of object identity and location. Forty-six subjects participated. Subjects passively viewed pictures from two categories, musical instruments and vehicles. Semantic similarity between entities was estimated based on a concept-feature matrix obtained in more than 1000 subjects. Visuoperceptual similarity was modelled based on the HMAX model, the AlexNet deep convolutional learning model, and, thirdly, based on subjective visuoperceptual similarity ratings. Among the IPS regions examined, only left middle IPS showed a semantic similarity effect. The effect was significant in hIP1, hIP2 and hIP3. Visuoperceptual similarity did not correlate with similarity of activity patterns in left middle IPS. The semantic similarity effect in left middle IPS was significantly stronger than in the right middle IPS and also stronger than in the left or right posterior IPS. The semantic similarity effect was similar to that seen in the angular gyrus. Object identity effects were much more widespread across nearly all parietal areas examined. Location effects were relatively specific for posterior IPS and area 7 bilaterally. To conclude, the current findings replicate the semantic similarity effect in left middle IPS under passive viewing conditions, and demonstrate its anatomical specificity within a cytoarchitectonic reference frame. We propose that the semantic similarity effect in left middle IPS reflects the transient uploading of semantic representations in working memory.

AB - According to a recent study, semantic similarity between concrete entities correlates with the similarity of activity patterns in left middle IPS during category naming. We examined the replicability of this effect under passive viewing conditions, the potential role of visuoperceptual similarity, where the effect is situated compared to regions that have been previously implicated in visuospatial attention, and how it compares to effects of object identity and location. Forty-six subjects participated. Subjects passively viewed pictures from two categories, musical instruments and vehicles. Semantic similarity between entities was estimated based on a concept-feature matrix obtained in more than 1000 subjects. Visuoperceptual similarity was modelled based on the HMAX model, the AlexNet deep convolutional learning model, and, thirdly, based on subjective visuoperceptual similarity ratings. Among the IPS regions examined, only left middle IPS showed a semantic similarity effect. The effect was significant in hIP1, hIP2 and hIP3. Visuoperceptual similarity did not correlate with similarity of activity patterns in left middle IPS. The semantic similarity effect in left middle IPS was significantly stronger than in the right middle IPS and also stronger than in the left or right posterior IPS. The semantic similarity effect was similar to that seen in the angular gyrus. Object identity effects were much more widespread across nearly all parietal areas examined. Location effects were relatively specific for posterior IPS and area 7 bilaterally. To conclude, the current findings replicate the semantic similarity effect in left middle IPS under passive viewing conditions, and demonstrate its anatomical specificity within a cytoarchitectonic reference frame. We propose that the semantic similarity effect in left middle IPS reflects the transient uploading of semantic representations in working memory.

KW - concept-feature matrix

KW - fMRI

KW - multivariate pattern analysis

KW - musical instruments

KW - Parietal cortex

U2 - 10.3389/fnhum.2017.00402

DO - 10.3389/fnhum.2017.00402

M3 - Article

VL - 11

JO - Frontiers in Human Neuroscience

JF - Frontiers in Human Neuroscience

SN - 1662-5161

ER -