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1
The effect of prior visual information on recognition of speech and sounds
In: CEREB CORTEX , 18 (3) 598 - 609. (2008) (2008)
Abstract: To identify and categorize complex stimuli such as familiar objects or speech, the human brain integrates information that is abstracted at multiple levels from its sensory inputs. Using cross-modal priming for spoken words and sounds, this functional magnetic resonance imaging study identified 3 distinct classes of visuoauditory incongruency effects: visuoauditory incongruency effects were selective for 1) spoken words in the left superior temporal sulcus (STS), 2) environmental sounds in the left angular gyrus (AG), and 3) both words and sounds in the lateral and medial prefrontal cortices (IFS/mPFC). From a cognitive perspective, these incongruency effects suggest that prior visual information influences the neural processes underlying speech and sound recognition at multiple levels, with the STS being involved in phonological, AG in semantic, and mPFC/IFS in higher conceptual processing. In terms of neural mechanisms, effective connectivity analyses (dynamic causal modeling) suggest that these incongruency effects may emerge via greater bottom-up effects from early auditory regions to intermediate multisensory integration areas (i.e., STS and AG). This is consistent with a predictive coding perspective on hierarchical Bayesian inference in the cortex where the domain of the prediction error (phonological vs. semantic) determines its regional expression (middle temporal gyrus/STS vs. AG/intraparietal sulcus).
Keyword: ANTERIOR CINGULATE CORTEX; AUDIOVISUAL SPEECH; AUDITORY-CORTEX; cross-modal priming; CROSSMODAL BINDING; dynamic causal modeling; effective connectivity; FUNCTIONAL MRI; HUMAN BRAIN; multisensory integration; OBJECT RECOGNITION; predictive coding; SEMANTIC SYSTEM; semantics; SUPERIOR TEMPORAL SULCUS
URL: http://discovery.ucl.ac.uk/136428/
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2
Language control in the bilingual brain
In: SCIENCE , 312 (5779) 1537 - 1540. (2006) (2006)
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3
Two distinct neural mechanisms for category-selective responses
In: CEREB CORTEX , 16 (3) 437 - 445. (2006) (2006)
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4
Two approaches to repetition suppression.
In: Hum Brain Mapp , 27 (5) pp. 411-416. (2006) (2006)
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5
Language control in the bilingual brain
In: Science , 312 (5779) pp. 1537-1540. (2006) (2006)
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6
Language control in the bilingual brain
In: Science , 312 (5779) pp. 1537-1540. (2006) (2006)
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7
How reading differs from object naming at the neuronal level
In: NeuroImage , 29 (2) pp. 643-648. (2006) (2006)
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8
How reading differs from object naming at the neuronal level
In: NEUROIMAGE , 29 (2) 643 - 648. (2006) (2006)
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9
Reading skills after left anterior temporal lobe resection: an fMRI study
In: BRAIN , 128 1377 - 1385. (2005) (2005)
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10
Structural and functional aspects of L2 acquisition
In: In: Green, DW and Meisel, JM, (eds.) (Proceedings) Colloquium on Neuroimaging studies of representation and processing in bilinguals. 5th International Symposium on Bilingualism, March 21st-23rd. (pp. pp. 61-63). : Barcelona. (2005) (2005)
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11
An fMRI Study of Syntactic Adaptation
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 16 (2004) 4, 702
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12
Degenerate neuronal systems sustaining cognitive functions
In: JOURNAL OF ANATOMY , 205 (6) 433 - 442. (2004) (2004)
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13
Retrieval of abstract semantics
In: NEUROIMAGE , 22 (1) 164 - 170. (2004) (2004)
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14
An fMRI study of syntactic adaptation
In: J COGNITIVE NEUROSCI , 16 (4) 702 - 713. (2004) (2004)
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15
The neural areas that control the retrieval and selection of semantics.
In: Neuropsychologia , 42 (9) pp. 1269-1280. (2004) (2004)
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16
Differentiating the neural activation pattern for German and English in highly proficient bilinguals
In: In: (Proceedings) Conference of the Neuroscience Society, 18-20th April. : San Francisco. (2004) (2004)
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17
Structural plasticity in the bilingual brain - Proficiency in a second language and age at acquisition affect grey-matter density.
In: NATURE , 431 (7010) 757 - 757. (2004) (2004)
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18
Cortical localisation of the visual and auditory word form areas: A reconsideration of the evidence
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 86 (2003) 2, 272-286
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19
HOW IS THE FUSIFORM GYRUS RELATED TO CATEGORY-SPECIFICITY?
In: Cognitive neuropsychology. - Abingdon : Routledge, Taylor & Francis Group 20 (2003) 3-6, 561-574
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20
Normal and pathological reading: converging data from lesion and imaging studies
In: NEUROIMAGE , 20 S30 - S41. (2003) (2003)
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