Hemispheric Asymmetry in Neuroscience

Cortical asymmetry and its developmental change have distinct relationships with brain connectivity

This study examines how cortical asymmetry and its developmental changes relate to brain connectivity across three cohorts from birth to 22 years.

Hemispheric Complementarity is Associated with Distinct Functional and Structural Brain Profiles

The paper identifies attentional lateralization phenotypes and multidomain brain organization profiles linked to heritable structural and functional connectivity patterns.

Lateralized foraging induces asymmetric corticostriatal plasticity in mice

This study shows that lateralized foraging in mice leads to asymmetric corticostriatal plasticity, with increased cortical connectivity to striatal projection neurons in the ipsiversive hemisphere.

Postnatal sensorimotor experience causally shapes hemispheric specialization across motor and language networks

The paper shows that postnatal motor experience alters hemispheric specialization in motor and language networks, with reduced left-hemisphere dominance in right OBPI individuals.

A Symmetric Systemic Challenge Elicits a Right-Biased Response Mediated by Vasopressin Signaling

This study shows that water deprivation induces a right-biased hindlimb postural asymmetry in rats, mediated by vasopressin signaling.

Brain structure-function coupling - relationship with language lateralisation

The paper investigates SC-FC coupling in healthy adults to identify markers distinguishing typical, atypical, and non-lateralised language lateralisation profiles.

Hemispheric Fingerprinting: Identifying left and right hemispheres using functional connectivity

This paper uses supervised learning to classify brain hemispheres as left or right based on functional connectivity, achieving high accuracy in right-handed and left-handed participants.

Paw switching with lateralized cholinergic modulation

This study shows that cholinergic modulation between brain hemispheres enables paw preference switching in mice through experience-driven changes in neural activity.

Language remains strongly left-lateralized in older adults: A cross-sectional and longitudinal study

This study examines language lateralization in older adults, finding it remains strongly left-lateralized and stable over time.

Rigorous Validation of Paw Preference Using Three Complementary Behavioral Assays in Sprague Dawley Rats

This study validates three behavioral assays for assessing paw preference in rats, showing consistent results across age, sex, and tests.

Highly Consistent Anatomical Asymmetry in a Small Primate Brain: Left is Always Larger in the Marmoset Monkey

The paper shows that the left hemisphere of marmoset monkeys is consistently larger than the right, challenging the link between brain size and hemispheric asymmetry.

Structural Directional Brain Behavior Asymmetry Across Cortical and Non-Cortical Regions

The paper explores structural directional brain asymmetry in cortical and non-cortical regions and its relationship to behavioral measures, finding consistent asymmetry across multiple brain areas.

Verbal versus Nonverbal Processing Leads to Generalized Hemispheric Laterality Effects that Span Multiple Networks

The paper investigates hemispheric laterality effects in verbal and nonverbal processing, finding that right hemisphere components of language networks respond more strongly to nonverbal materials, with similar patterns across multiple networks.

Lifespan Trajectories of Asymmetry in White Matter Tracts

This study characterizes white matter asymmetry across the lifespan using a large dataset, revealing dynamic changes in asymmetry patterns with age.

Precision fMRI reveals that the language network exhibits adult-like left-hemispheric lateralization by 4 years of age

The paper uses fMRI to show that language network lateralization is adult-like by age 4, despite continued development of other language network features.

Drift in Individual Behavioral Phenotype as a Strategy for Unpredictable Worlds

The paper investigates phenotypic drift in Drosophila melanogaster, showing it is influenced by genetics and neuromodulation and may be adaptive in fluctuating environments.

Language laterality and cognitive skills: does anatomy matter?

This study examines the relationship between white matter microstructure and cognitive performance in individuals with different language lateralisation patterns using neuroimaging and cognitive data.

Phylogenetic meta-analysis implicates large brains and our unusual posture in human handedness

This study uses phylogenetic meta-analysis to show that human handedness is linked to large brain size and upright posture, distinguishing it from other primates.

Structural and functional brain asymmetry in relation to heterogeneous causes of situs inversus totalis

This study examines brain asymmetry in situs inversus totalis cases, finding no significant difference in functional asymmetries between genetically solved and unsolved cases, but altered structural asymmetries regardless of genetic cause.

Paw Preference in Rats Across Tests, Strains, Sex, and Age: A PRISMA-Compliant Systematic Review and Meta-Analysis

This study reviews and analyzes paw preference in rats across multiple factors, finding consistent individual-level preference but no universal population bias.

Hypothalamic asymmetry in hemisphere-specific neuroendocrine signaling

The paper identifies molecular asymmetries in the rat hypothalamus that support hemisphere-specific neuroendocrine signaling through gene expression and functional experiments.

Selective reorganization of face-processing lateralization in participants with right-lateralized language network

The paper examines how atypical language lateralization to the right hemisphere affects hemispheric bias in face-selective visual areas using fMRI data from the Human Connectome Project.

Left-right asymmetry of the microminipig brain.

The paper investigates left-right asymmetry in the microminipig brain, showing structural differences in specific brain regions and suggesting MMPs as a suitable model for studying cerebral and cerebellar asymmetry.

Does white matter structure relate to hemispheric language lateralisation? A systematic review

This systematic review examines the relationship between white matter structure and language lateralisation, finding variability in results across studies and methodological challenges.

A multivariate pattern metric of individualized hemispheric functional asymmetry

The paper introduces PDHC, a multivariate metric to measure hemispheric functional asymmetry, showing reliability, robustness, and individual specificity across development and genetics.

Housing environment bilaterally alters transcriptomic profile in the rat hippocampal CA1 region

The paper examines how different housing environments alter transcriptomic profiles in the left and right hippocampal CA1 regions of rats, revealing hemisphere-specific and shared molecular responses.

Independent Lateralization of Language, Attention, and Numerical Cognition Across Task and Rest

The paper examines whether language lateralization predicts asymmetries in visuospatial attention and numerical cognition, finding no reciprocal link and supporting domain-specific lateralization.

Neural mechanisms of handedness for precision drawing: hand-dependent engagement of cortical networks for bimanual control

This study uses fMRI to investigate neural mechanisms of handedness during precision drawing, finding differential engagement of motor and parietal networks for left-hand versus right-hand tasks.

Revisiting atypical language lateralization in dyslexia

This study examines hemispheric lateralization in adults with dyslexia and controls using fMRI, finding inconsistent rather than universally weaker lateralization patterns in dyslexia.

The individual brain: mapping variability in hemispheric functional organization across cognitive domains in a representative sample

This study maps hemispheric functional organization variability across cognitive domains in a representative sample of 200 participants, finding greater deviation from typical patterns in left-handers and no cognitive advantage for the prototypical brain organization.