Regular ArticleHuman Corpus Callosum: A Stable Mathematical Model of Regional Neuroanatomy
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Handedness and the Corpus Callosum: A Review and Further Analyses of Discordant Twins
2018, NeuroscienceCitation Excerpt :Both employed a continuous reflective method in which biobehavioral paradigms were developed to examine structure–function relationships within a life span development context. This approach underpins a body of work documenting wide ranging regional effects in CC anatomy using stereological and factor analytic approaches to conduct fine-grained analysis of consistent and non-consistent right and left hand preference and to examine sex and age in relation to regional CC form and size (Denenberg et al., 1991b; Cowell et al., 1992, 1993, 1994). This furnished the conceptual background, methodology and comparison data for our analyses in our current study.
Familial Sinistrality and Language Processing
2018, Psychology of Learning and Motivation - Advances in Research and TheoryCitation Excerpt :Indeed, it has been found that callosal size, in some callosal segments in particular, is larger in individuals that are reportedly less lateralized in anatomy or function (Aboitiz, 1992; Dorion et al., 2000; Witelson, 1989). A larger corpus callosum has been associated with left handedness (Burke & Yeo, 1994; Cowell, Allen, Kertesz, Zalatimo, & Denenberg, 1994; Habib et al., 1991; Kertesz, Polk, Howell, & Black, 1987), which, in turn, was associated with better interhemispheric transfer performance (Potter & Graves, 1988). Differences in corpus callosum size per se have yet to be documented for FS+ individuals (Tzourio-Mazoyer, Petit, et al., 2010; Tzourio-Mazoyer, Simon, et al., 2010).
The P300 event-related brain potential as a neurobiological endophenotype for substance use disorders: A meta-analytic investigation
2012, Neuroscience and Biobehavioral ReviewsCitation Excerpt :Furthermore, it was found that area and axis length of the corpus callosum generally increase up to the age of 20, and then start declining. Interestingly, the onset of decline in this area occurs earlier in males than in females (Cowell et al., 1994, 1992). Hence, these neuroanatomical findings that males have proportionally smaller corpus callosal areas than females may hypothetically explain why females do not manifest the robust P300 amplitude reductions.
A critical re-examination of sexual dimorphism in the corpus callosum microstructure
2011, NeuroImageCitation Excerpt :A considerable amount of research has been devoted to identifying variables which explain these inter-individual differences, such as brain size (e.g., Jäncke et al., 1997), handedness (e.g., Luders et al., 2010a; Westerhausen et al., 2004), or age (e.g., Hasan et al., 2008; Luders et al., 2010b; Sullivan et al., 2001), as this could lead to improved understanding of inter-individual differences in functional lateralization (Huster et al., 2011; Josse et al., 2008; Putnam et al., 2008; Westerhausen et al., 2006). Sex is one of the most frequently examined variables which has been consistently shown to influence the structure of the corpus callosum (e.g., Allen et al., 1991; Bermudez and Zatorre, 2001; Cowell et al., 1994; DeLacoste-Utamsing and Holloway, 1982; Jäncke et al., 1997; Luders et al., 2006; Westerhausen et al., 2004). Regarding the absolute size, usually determined on a mid-sagittal cross-section image of the brain, the corpus callosum is found be larger in male than female individuals (see meta-analyses by Bishop and Wahlsten, 1997; Driesen and Raz, 1995; Smith, 2005).
Asymmetry of language activation relates to regional callosal morphology following early cerebral injury
2008, Epilepsy and BehaviorCitation Excerpt :Our study used a statistically robust method to control for dependence between adjacent measurements and for multiple comparisons. In contrast, many previous studies have used factor analytic methods [36], which assume independence between variables. However, adjacent callosal measurements are highly correlated [21].
Callosal agenesis affects consistency of laterality in a paw preference task in BALB/cCF mice
2005, Behavioural Brain Research