PERFORM Publications

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Title		Authors	PubMed ID
1	Congenital Deafness Leads to Altered Overt Oculomotor Behaviors.	Sharp A, Turgeon C, Johnson AP, Pannasch S, Champoux F, Ellemberg D	32327967 PSYCHOLOGY
2	Inferior Longitudinal Fasciculus' Role in Visual Processing and Language Comprehension: A Combined MEG-DTI Study.	Shin J, Rowley J, Chowdhury R, Jolicoeur P, Klein D, Grova C, Rosa-Neto P, Kobayashi E	31507359 PERFORM
3	Aromatization Is Not Required for the Facilitation of Appetitive Sexual Behaviors in Ovariectomized Rats Treated With Estradiol and Testosterone.	Jones SL, Rosenbaum S, Gardner Gregory J, Pfaus JG	31447629 CSBN
4	Processing of Acoustic Information in Lexical Tone Production and Perception by Pediatric Cochlear Implant Recipients.	Deroche MLD, Lu HP, Lin YS, Chatterjee M, Peng SC	31281237 PSYCHOLOGY
5	Influence of Head Tissue Conductivity Uncertainties on EEG Dipole Reconstruction.	Vorwerk J, Aydin Ü, Wolters CH, Butson CR	31231178 PERFORM
6	Partially Overlapping Brain Networks for Singing and Cello Playing.	Segado M, Hollinger A, Thibodeau J, Penhune V, Zatorre RJ	29892211 PSYCHOLOGY
7	Integrated fMRI Preprocessing Framework Using Extended Kalman Filter for Estimation of Slice-Wise Motion.	Pinsard B, Boutin A, Doyon J, Benali H	29755312 PERFORM
8	Detection of abnormal resting-state networks in individual patients suffering from focal epilepsy: an initial step toward individual connectivity assessment.	Dansereau CL, Bellec P, Lee K, Pittau F, Gotman J, Grova C	25565949 PERFORM
9	The Music-In-Noise Task (MINT): A Tool for Dissecting Complex Auditory Perception.	Coffey EBJ, Arseneau-Bruneau I, Zhang X, Zatorre RJ	30930734 PSYCHOLOGY

Title:	Inferior Longitudinal Fasciculus' Role in Visual Processing and Language Comprehension: A Combined MEG-DTI Study.
Authors:	Shin J, Rowley J, Chowdhury R, Jolicoeur P, Klein D, Grova C, Rosa-Neto P, Kobayashi E
Link:	https://www.ncbi.nlm.nih.gov/pubmed/31507359?dopt=Abstract
DOI:	10.3389/fnins.2019.00875
Publication:	Frontiers in neuroscience
Keywords:	diffusion tensor imaging; language comprehension; magnetoencephalography; ventral language pathway; white matter;
PMID:	31507359	Category:	Front Neurosci	Date Added:	2019-09-12
Dept Affiliation:	PERFORM 1 Montreal Neurological Institute and Hospital, McGill University, Montreal, QC, Canada. 2 Translational Neuroimaging Laboratory, McGill University Research Centre for Studies in Aging, McGill University, Montreal, QC, Canada. 3 Multimodal Functional Imaging Lab, Department of Biomedical Engineering, McGill University, Montreal, QC, Canada. 4 Centre de Recherche en Neuropsychologie et Cognition (CERNEC), Département de Psychologie, Université de Montréal, Montreal, QC, Canada. 5 Cognitive Neuroscience Unit, Montreal Neurological Institute, Neurology and Neurosurgery, McGill University, Montreal, QC, Canada. 6 Multimodal Functional Imaging Lab, PERFORM Centre, Department of Physics, Concordia University, Montreal, QC, Canada.

Description:

Inferior Longitudinal Fasciculus' Role in Visual Processing and Language Comprehension: A Combined MEG-DTI Study.

Front Neurosci. 2019;13:875

Authors: Shin J, Rowley J, Chowdhury R, Jolicoeur P, Klein D, Grova C, Rosa-Neto P, Kobayashi E

Abstract

The inferior longitudinal fasciculus (ILF) is a white matter tract that connects the occipital and the temporal lobes. ILF abnormalities have been associated with deficits in visual processing and language comprehension in dementia patients, thus suggesting that its integrity is important for semantic processing. However, it remains elusive whether ILF microstructural organization per se impacts the visual semantic processing efficiency in the healthy brain. The present study aims to investigate whether there is an association between ILF's microstructural organization and visual semantic processing at the individual level. We hypothesized that the efficiency of visual semantic processing positively correlates with the degree of anisotropy of the ILF. We studied 10 healthy right-handed subjects. We determined fractional anisotropy (FA) of the ILF using diffusion tensor imaging (DTI). We extracted N400m latency and amplitude from magnetoencephalography (MEG) signals during a visual semantic decision task. N400m and mean FA of the ILF were left lateralized with the higher FA value in the left hemisphere. Inter-individual analysis showed that FA of the ILF negatively correlated with the N400m latency and amplitude, which suggests that high ILF anisotropy is associated with more efficient semantic processing. In summary, our findings provide supporting evidence for a role of the ILF in language comprehension.

PMID: 31507359 [PubMed]

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