• The lateralization of brain function (or hemispheric dominance/ latralisation ) is the tendency for some neural functions or cognitive processes to be specialized to one side of the brain or the other. (wikipedia.org)
  • Data showed a strong correlation between IAP and fMRI lateralilty indices (r=.91) and 70% agreement in determination of hemispheric dominance, despite increased demonstration of bilateral or atypical language representation in this pediatric sample. (mcw.edu)
  • Handedness and hemispheric language dominance in healthy humans. (research.com)
  • Theoretical models of the functional neuroanatomy of both normal and psychopathological affective processes which posit cortical hemispheric specialization of functions have been supported by both lesion and functional neuroimaging studies in humans. (virginia.edu)
  • Measurement of language laterality using functional transcranial Doppler ultrasound: a comparison of different tasks. (ox.ac.uk)
  • Background: Relative blood flow in the two middle cerebral arteries can be measured using functional transcranial Doppler sonography (fTCD) to give an index of lateralisation as participants perform a specific task. (ox.ac.uk)
  • The paper provides a review of the works in which functional transcranial Doppler ultrasound is used in different areas of neurocognitive studies. (ima-press.net)
  • Variation in brain lateralization during various language tasks: A functional transcranial Doppler study. (ima-press.net)
  • Cerebral hemodynamic lateralization during memory tasks as assessed by functional transcranial Doppler (fTCD) sonography: effects of gender and healthy aging. (ima-press.net)
  • We used functional transcranial Doppler ultrasound (fTCD) to assess cerebral blood flow during language production in 57 four-year-olds, including 15 children who had been late-talkers when first seen at 20 months of age. (peerj.com)
  • We aimed to replicate previous findings of an association between DLD and reduced laterality on a quantitative measure of hand preference (reaching across the midline) and on language laterality assessed using functional transcranial Doppler ultrasound (fTCD). (ox.ac.uk)
  • Her Audiology study incorporates themes from Cognitive psychology, Dominance, Healthy subjects and Transcranial doppler sonography. (research.com)
  • My primary interest is to understand how sensorimotor experience in early life influences - for better or worse - the formation and maturation of functional neural circuits in the cerebral cortex. (duke.edu)
  • Dominance, Cerebral" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (jefferson.edu)
  • Dominance of one cerebral hemisphere over the other in cerebral functions. (jefferson.edu)
  • This graph shows the total number of publications written about "Dominance, Cerebral" by people in this website by year, and whether "Dominance, Cerebral" was a major or minor topic of these publications. (jefferson.edu)
  • Below are the most recent publications written about "Dominance, Cerebral" by people in Profiles. (jefferson.edu)
  • Milner, B. in Interhemispheric Relations and Cerebral Dominance (ed. (nature.com)
  • We categorized cerebral lateralization as left, right or bilateral, and compared proportions with each type of laterality with those seen in a previously tested sample of children aged 6-16 years. (peerj.com)
  • Language laterality has mostly been studied with fTCD using a word generation task, but it is not clear whether this is optimal. (ox.ac.uk)
  • Methods: From a sample of twin children aged from 6;0 to 11;11 years, we identified 107 cases of DLD and 156 typically-developing comparison cases for whom we had useable data from fTCD yielding a laterality index (LI) for language function during an animation description task. (ox.ac.uk)
  • Here, we used event-related potentials (ERPs) to determine the temporal dynamics of facial dominance evaluation based on facial features signaling physical strength/weakness in humans. (researchsquare.com)
  • For this reason, increasing efforts have been devoted to understanding how individuals recognize or infer dominance hierarchies based on facial dominance evaluation in humans 6 . (researchsquare.com)
  • Sex on the wrong brain offered survival benefits in times of scarcity and conflict and may explain right handed dominance in humans. (sexonthewrongbrain.com)
  • Such differences might help explain evolution of gender differences in brain function and organization, as well as the timing of laterality in brain development observed in humans passing through adolescence and into adulthood. (sexonthewrongbrain.com)
  • Here we report an investigation of the fronto-temporo-parietal language network across 45 languages and establish the robustness to cross-linguistic variation of its topography and key functional properties, including left-lateralization, strong functional integration among its brain regions and functional selectivity for language processing. (nature.com)
  • 2005a ), as well as the functional lateralization of the two hemispheres (Gotts et al. (springer.com)
  • Cerebellar dominance in relati on to right and left- handedness was studi ed in 221 he althy scho ol children aged 9- 11 ye ars old. (csnn.eu)
  • There has been weak support for any link with handedness, but more consistent reports of associations with functional brain lateralisation for language. (ox.ac.uk)
  • Results: Indices of handedness and language laterality for this twin sample were similar to those previously reported for single-born children. (ox.ac.uk)
  • There were no differences between the DLD and TD groups on measures of handedness or language lateralisation, or on a categorical measure of consistency of left hemisphere dominance. (ox.ac.uk)
  • The comparison list generation task was not systematically lateralised, but nevertheless laterality indices (LIs) from this task were significantly correlated with the other two tasks. (ox.ac.uk)
  • One fundamental distinction concerning social hierarchy representations is that they can be assessed according to dominance cues e.g., facial features, physical attributes such as body size, posture and aggressive expressions) to rapidly evaluate the strength of potential competitors, and to avoid costly physical conflict 4 . (researchsquare.com)
  • Contrary to prediction, there was a greater incidence of right lateralisation for language in the TD group (19.90%) than the DLD group (9.30%), confirming that atypical laterality is not inconsistent with typical language development. (ox.ac.uk)
  • It is precisely this increase in neural capacity that makes possible the rich repertoire of behavior associated with functional maturity. (duke.edu)
  • Yet, the neural bases of the ability to identify different dominance levels in others based on facial features remains poorly understood. (researchsquare.com)
  • While structural connectivity characterizes intra- and interregional physical connections, FC investigates the functional relationship between neural activity in different brain regions, and has been used extensively in clinical populations as well as in animal models to probe healthy function and disease-related dysfunction. (biorxiv.org)
  • An important contributing factor is the difficulty of probing the functional organization of children's brains between 1 and 3-4 years of age, when language makes the biggest developmental leap (e.g. (biorxiv.org)
  • Proof-of-principle analyses revealed that calcium FC displayed coherent functional maps as early as P15, and FC significantly varied in connections between many regions across development, with the developmental trajectory's shape specific to the functional region. (biorxiv.org)
  • Fedorenko, E., Behr, M. K. & Kanwisher, N. Functional specificity for high-level linguistic processing in the human brain. (nature.com)
  • In future research we suggest that consistency of laterality across tasks might have more functional significance than strength or direction of laterality on any one task. (ox.ac.uk)
  • Determination of language dominance in pediatric patients with epilepsy for clinical decision-making: Correspondence of intracarotid amobarbitol procedure and fMRI modalities. (mcw.edu)
  • Historically, language dominance has been determined using the intracarotid amobarbitol procedure (IAP), but use of functional Magnetic Resonance Imaging (fMRI) scanning is becoming more common. (mcw.edu)
  • Blank, I. A., Kanwisher, N. & Fedorenko, E. A functional dissociation between language and multiple-demand systems revealed in patterns of BOLD signal fluctuations. (nature.com)
  • These findings present the utility of a semi-supervised probabilistic learning approach for presurgical language-dominance mapping, which may be extended to other cognitive domains such as memory and attention. (nervewhisperer.solutions)
  • In the presurgical assessment of language, both the localization38 and lateralization28,32 of functional areas are essential for the prevention of postoperative deficits such as aphasia and dysarthria. (nervewhisperer.solutions)
  • 2016). "Probabilistic machine learning for the evaluation of presurgical language dominance. (nervewhisperer.solutions)
  • As expected in cases of early left hemisphere (LH) damage, we find that EG has a fully functional language network in her right hemisphere (RH) and performs within the normal range on standardized language assessments. (biorxiv.org)
  • We also failed to replicate associations between language laterality and language test scores. (ox.ac.uk)
  • Twenty-seven participants performed a dominance perception task where they passively viewed faces with different dominance levels. (researchsquare.com)
  • Functional MRI examinations included 2 verb-generation tasks (auditory and visual), during which patients were asked to covertly generate a verb in response to various nouns being presented. (nervewhisperer.solutions)
  • 2017 ). The presence of functional HC has been also confirmed by numerous meta-analytic studies based on neuroimaging data and by applying different methods (Laird et al. (springer.com)
  • The Golby Lab pursues translational research multi-modality image-guided neurosurgery with a particular interest in functional brain mapping. (dana-farber.org)
  • The Golby Lab is a translational multidisciplinary group of investigators focusing on functional brain mapping using both structural and functional imaging techniques to guide neurosurgical planning and intra-operative decision making. (dana-farber.org)
  • This work aims to integrate information acquired from pre-operative brain mapping with intra-operative brain mapping and intra-operative imaging to define functional brain anatomy for surgical planning. (dana-farber.org)
  • We use multiple functional brain mapping techniques (fMRI, diffusion tensor imaging, and intracranial EEG) and structural and molecular imaging techniques to better define individual functional anatomy in patients with neurosurgical diseases, cross-validate information acquired through different techniques, and gain a better understanding of the relationship between these different brain signals. (dana-farber.org)
  • The Golby Lab is funded by the Brain Science Foundation, The Klarman Family Foundation, CIMIT Harvard Catalyst, and the National Institutes of Health, allowing her to assemble a team of extraordinary scientists from different backgrounds, working collaboratively to advance the field of image-guided surgery and functional brain imaging. (dana-farber.org)
  • I have worked extensively with adults, adolescents, and children providing comprehensive cognitive assessments in order to determine the appropriate treatment plan and future care to leverage brain plasticity thereby maximizing my patients' functional improvement.Clinical neuropsychology is a subspecialty of psychology with additional expertise in cognitive psychometric assessments and clinical application of brain-behavior relationships. (adhdny1.com)
  • cognitive-affective (CA) and central sensitization (CS), both of which operate through the networks and pathways in the brain although the former being non-organic/functional and latter being organic/structural. (jpalliativecare.com)
  • Recent progress in social neuroscience research advances our understanding of this matter by exploring the temporal dynamics of brain activities associated with such processing, with the aim of delineating the neurocognitive subprocesses of facial dominance evaluation 15 . (researchsquare.com)
  • Functional connectivity (FC) imaging is a minimally invasive technique by which circuit and network function can be observed in vivo in the human and animal brain. (biorxiv.org)
  • While FC imaging is a powerful tool that provides insight into how the brain functions under a wide variety of conditions, the development of the functional connectome between birth and adulthood is not well-characterized. (biorxiv.org)
  • Although susceptibility to particular sowb symptoms may be inherited, the most important factor increasing individual levels of sowb may be left brain dominance and lack of right brain use. (sexonthewrongbrain.com)
  • HC refers to the (structural or functional) connectivity between two homologous areas of the two hemispheres, mainly mediated by the fibers of the corpus callosum (Goldstein et al. (springer.com)
  • Symmetry or asymmetry in the actions of the lower extremities during walking and the possible effect of laterality on gait are two prevalent and controversial issues. (scienceopen.com)
  • In a natural state, if wild horses exceed the range of functional asymmetry, they become part of the food chain. (drkerryridgway.com)
  • These laterality tests were compared with "Henner's" cerebellar dominance, determined by physi ological relative hypotoni a and enlarged excursibility (pasivity) in the following jo ints: sho ulder - enlarged synkineses on non‑dominant arm during walking, gre ater "jo int play" in elbow, wrist, knee and ankle corresponding to the functi on of non‑dominant cerebellar halves (hemisphere), i.e. left in right- handed people and right in left- handed people. (csnn.eu)
  • An element of great interest in functional connectivity is 'homotopic connectivity' (HC), namely the connectivity between two mirrored areas of the two hemispheres, mainly mediated by the fibers of the corpus callosum. (springer.com)
  • However, the emergence of functional connectivity (FC) in development has not been fully characterized, and hemodynamic-based measures are vulnerable to any neurovascular coupling changes occurring in parallel. (biorxiv.org)
  • These findings indicate that participants inferred dominance levels at a late stage of face evaluation. (researchsquare.com)
  • The findings suggest that different strategies (i.e. verbal versus spatial/motoric) come into play in maze learning depending on the hand used at acquisition (right versus left, respectively) rather than on overall hand dominance. (tamu.edu)
  • To interpret nerve mobility findings among clinical populations and to be able to evaluate effects of functional hand use on pathological changes of the median nerve, it is essential to illustrate and understand the dynamic biomechanics of the normal anatomical structures in the carpal tunnel in healthy people. (cdc.gov)
  • Taken together, the present study provides new insights regarding the dynamics of the neurocognitive processes underlying facial dominance evaluation. (researchsquare.com)
  • Studies have also found that trained dogs primarily use olfaction in detection settings, regardless of any available visual stimuli, demonstrating the dominance of the olfactory system on dog cognition ( Gazit and Terkel, 2003 ). (jneurosci.org)
  • Having the opportunity to relate our clinical relapse dilemmas to research that support effort to program activities that harness patterned laterality and cycling threat through cranial freedom from body dependency on the neck, is something I always look forward to. (posturalrestoration.com)
  • Several electrophysiological studies have consistently found modulation of the Late Positive Potentials (LPP) during facial dominance evaluation 16 - 21 . (researchsquare.com)
  • Specifically, a modulation of the N170 by facial dominance has consistently been reported in EEG studies where facial dominance was conveyed through facial expression 22 or simultaneous presentation of dominance-conveying symbols (different number of stars) with emotionally neutral faces 18 , 19 . (researchsquare.com)
  • Given these limitations, the aims of this study were to describe median nerve movement during composite finger flexion and extension and to examine any effects of laterality between the dominant and non-dominant sides in a young healthy population. (cdc.gov)
  • This suggests that word and sentence generation involve adding a constant directional bias to an underlying continuum of laterality that is reliable in individuals but not biased in either direction. (ox.ac.uk)
  • Because of this functional division of the left and right sides of the body and of the space that surrounds it, the processing of information in the sensory cortices is essentially identical. (wikipedia.org)
  • Dominance levels did not modulate an early component of face processing, known as the N170 component, but did modulate the Late Positive Potential (LPP) component. (researchsquare.com)
  • Subtracting list generation LI from sentence generation LI did not affect the strength of the laterality index. (ox.ac.uk)
  • However, a discrepancy remains in the literature concerning whether facial dominance judgment also occurs during the early stage of face processing, as indexed by the face-sensitive N170 component. (researchsquare.com)