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1
Corpus callosum morphology across the lifespan in baboons (Papio anubis): A cross-sectional study of relative mid-sagittal surface area and thickness
In: ISSN: 0168-0102 ; EISSN: 1872-8111 ; Neuroscience Research ; https://hal-amu.archives-ouvertes.fr/hal-03196956 ; Neuroscience Research, Elsevier, 2021, ⟨10.1016/j.neures.2021.03.002⟩ (2021)
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2
Corpus callosum morphology across the lifespan in baboons ( Papio anubis ): a cross-sectional study of relative mid-sagittal surface area and thickness
In: https://hal.archives-ouvertes.fr/hal-03086043 ; 2020 (2020)
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3
Parallel but independent reduction of emotional awareness and corpus callosum connectivity in older age
Abstract: Differential functional specialization of the left and right hemispheres for linguistic and emotional functions, respectively, suggest that interhemispheric communication via the corpus callosum is critical for emotional awareness. Accordingly, it has been hypothesized that the age-related decline in callosal connectivity mediates the frequently demonstrated reduction in emotional awareness in older age. The present study tests this hypothesis in a sample of 307 healthy individuals between 20–89 years using combined structural and diffusion-tensor magnetic resonance imaging (MRI) of the corpus callosum. As assumed, inter-hemispheric connectivity (midsagittal callosal area and thickness, as well as fractional anisotropy, FA) and emotional awareness (i.e., increase in externally-oriented thinking, EOT; assessed with the Toronto Alexithymia Scale, TAS-20) were found to be reduced in older (> 60 years) compared to younger participants. Furthermore, relating callosal measures to emotional awareness, FA in the genu of the corpus callosum was found to be negatively correlated with EOT in male participants. Thus, “stronger” structural connectivity (higher FA) was related with higher emotional awareness (lower EOT). However, a formal mediation analysis did not support the notion that age-related decline in emotional awareness is mediated by the corpus callosum. Thus, the observed reduction of emotional awareness and callosal connectivity in older age likely reflects parallel but not inter-dependent processes.
Keyword: Research Article
URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6312250/
https://doi.org/10.1371/journal.pone.0209915
http://www.ncbi.nlm.nih.gov/pubmed/30596756
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4
Laterality across languages: Results from a global dichotic listening study using a smartphone application
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5
Reactive cognitive-control processes in free-report consonant–vowel dichotic listening
In: Brain and cognition. - San Diego, Calif. [u.a.] : Elsevier Science 83 (2013) 3, 288-296
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6
The Right Planum Temporale Is Involved in Stimulus-Driven, Auditory Attention – Evidence from Transcranial Magnetic Stimulation
Hirnstein, Marco; Westerhausen, René; Hugdahl, Kenneth. - : Public Library of Science, 2013
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7
“Right on all Occasions?” – On the Feasibility of Laterality Research Using a Smartphone Dichotic Listening Application
Bless, Josef J.; Westerhausen, René; Arciuli, Joanne. - : Frontiers Media S.A., 2013
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8
A forced-attention dichotic listening fMRI study on 113 subjects
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 121 (2012) 3, 240-247
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9
Attention and cognitive control networks assessed in a dichotic listening fMRI study
In: Brain and cognition. - San Diego, Calif. [u.a.] : Elsevier Science 76 (2011) 2, 276-285
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10
Structural and Functional Reorganization of the Corpus Callosum between the Age of 6 and 8 Years
Westerhausen, René; Luders, Eileen; Specht, Karsten. - : Oxford University Press, 2011
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11
Structural and Functional Reorganization of the Corpus Callosum between the Age of 6 and 8 Years
Westerhausen, René; Luders, Eileen; Specht, Karsten. - : Oxford University Press, 2011
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12
The effects of background noise on dichotic listening to consonant-vowel syllables: an fMRI study
In: Laterality. - Abingdon : Routledge, Taylor & Francis Group 15 (2010) 6, 577-596
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13
Structural and Functional Reorganization of the Corpus Callosum between the Age of 6 and 8 Years
Westerhausen, René; Luders, Eileen; Specht, Karsten. - : Oxford University Press, 2010
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14
Functional Relevance of Interindividual Differences in Temporal Lobe Callosal Pathways: A DTI Tractography Study
Westerhausen, René; Grüner, Renate; Specht, Karsten. - : Oxford University Press, 2009
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15
Functional Relevance of Interindividual Differences in Temporal Lobe Callosal Pathways: A DTI Tractography Study
Westerhausen, René; Grüner, Renate; Specht, Karsten. - : Oxford University Press, 2008
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16
The association of macro- and microstructure of the corpus callosum and language lateralisation
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 97 (2006) 1, 80-90
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