Review
Psychology, Clinical
Rene Westerhausen
Summary: The study assessed the validity of two paradigms for evaluating callosal functioning and found that they could assess interhemispheric integration of the corpus callosum, but likely test distinct callosal functions.
NEUROPSYCHOLOGY REVIEW
(2022)
Article
Biology
Fernando Martin-Fernandez, Ana Bermejo-Santos, Lorena Bragg-Gonzalo, Carlos G. Briz, Esther Serrano-Saiz, Marta Nieto
Summary: This study reveals that the expression of axonal signaling receptor Neuropilin 1 (Nrp1) in the somatosensory (SS) cortex of mice is temporary and follows patterns that determine corpus callosum (CC) connectivity. Nrp1 expression is important for subsequent S2 innervation and knocking down Nrp1 reduces the number of callosal neurons in S2L2/3, which may play a role in neurodevelopmental disorders.
Article
Multidisciplinary Sciences
Iryna Babik
Summary: This paper discusses recent neuroimaging studies on abnormal brain structures and interhemispheric connectivity in children with cerebral palsy (CP). It proposes possible neurological mechanisms for cognitive delays and impairments in CP children and explores the role of motor and sensorimotor experience in the development of neural substrates. Understanding these developmental mechanisms could guide more effective interventions for promoting sensorimotor and cognitive skills in CP children.
Article
Behavioral Sciences
Fikret Ari, Canan Kalaycioglu, Hazal Artuvan Korkmaz, Beyza Doganay Erdogan
Summary: This study investigated the differences in callosal transfer speed of verbal and nonverbal stimuli in university students. The results showed that slow readers have slower right-to-left transfer speed at the parietal site related to visual word decoding process, similar to individuals with reading disorders. The difference was not observed with nonverbal stimuli, suggesting that it originates at the orthographic visual lexical level rather than at earlier basic visual processing.
Article
Neurosciences
Arthur R. Chaves, Hannah M. Kenny, Nicholas J. Snow, Ryan W. Pretty, Michelle Ploughman
Summary: The study found that in multiple sclerosis, males are more likely to have cognitive impairment, while females are more likely to have CSE asymmetry. There are also differences in nerve conduction latency between males and females, indicating a gender-specific impact in the disease.
Article
Behavioral Sciences
Taylor E. Stansberry, Anne L. Willliams, Toshikazu Ikuta
Summary: The integrity of the interhemispheric auditory white matter tract is associated with impulsivity, especially sensation seeking. Stronger interhemispheric auditory integration is suggested to be related to greater impulsivity and sensation seeking.
BEHAVIOURAL BRAIN RESEARCH
(2022)
Article
Clinical Neurology
Theresa Paul, Valerie M. Wiemer, Lukas Hensel, Matthew Cieslak, Caroline Tscherpel, Christian Grefkes, Scott T. Grafton, Gereon R. Fink, Lukas J. Volz
Summary: This study used diffusion spectrum imaging (DSI) and a novel compartment-wise analysis approach to investigate the structural connectivity between bilateral cortical core motor regions in chronic stroke patients. The results showed that the structural connectivity between these regions is associated with both basal and complex motor control. Specifically, the recovery of basal motor control may be supported by an alternative pathway through the contralesional primary motor cortex (M1) and non-crossing fibers of the contralesional corticospinal tract (CST). These findings help explain conflicting interpretations of the functional role of the contralesional M1 and suggest the potential of cortico-cortical structural connectivity as a biomarker for motor recovery post-stroke.
ANNALS OF NEUROLOGY
(2023)
Article
Neurosciences
Marc H. Bornstein, Clay Mash, Roberto Romero, Amir H. Gandjbakhche, Thien Nguyen
Summary: There is limited anatomical evidence on the connectivity and communication between the two hemispheres of the brain in the first year of life, leading to little empirical knowledge. To investigate interhemispheric transmission of information, EEG data from 12 4-month-old infants were analyzed during a face-related oddball ERP protocol. The activity in the contralateral hemisphere showed differences between odd-same and odd-difference trials, with a weaker response in odd-different trials. This indicates that infants' contralateral hemisphere can recognize and discriminate odd familiar and odd-different stimuli. These findings provide insight into the connectivity and communication between the two hemispheres of the brain in the first year of life and contribute to understanding the functional integrity of the developing infant brain.
Article
Multidisciplinary Sciences
Yanjie Wang, Zhaonan Chen, Guofen Ma, Lizhao Wang, Yanmei Liu, Meiling Qin, Xiang Fei, Yifan Wu, Min Xu, Siyu Zhang
Summary: Lesions in the ACA cause visuospatial bias, which is mediated by a transcallosal inhibition loop. Activation of contralesional PV+ neurons improves contralesional detection and restores interhemispheric balance. Rating: 9/10.
NATURE COMMUNICATIONS
(2023)
Article
Biotechnology & Applied Microbiology
Zhou Bingzheng, Zhao Xinzhuo, Jin Zhuo, Yang Xing, Li Bin, Bai Lunhao
Summary: This study investigated the effects of the menstrual cycle and serum sex hormone concentrations on knee kinematic parameters in female college soccer athletes. The results showed that subjects had a lower maximum knee valgus in the mid-luteal phase, indicating a lower risk of ACL injury. There was no significant correlation between serum sex hormone concentrations and knee kinematic parameters.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2023)
Article
Neurosciences
Diego Szczupak, Pamela Meneses Iack, Cirong Liu, Fernanda Tovar-Moll, Roberto Lent, Afonso C. Silva
Summary: The study identified direct interhemispheric corticothalamic connectivity from the orbital cortex for the first time, naming these crossing points thalamic commissures. Additionally, the research showed atypical and weaker interhemispheric corticothalamic communication in the Balb/c mouse model of dysgenesis of the corpus callosum (CCD) compared to the C57bl6/J mouse model.
Editorial Material
Clinical Neurology
Adem Yokus
Summary: Interhemispheric cysts are a rare occurrence in children and infants, and may sometimes be accompanied by agenesis of the corpus callosum. While some patients may be asymptomatic, others may present with symptoms related to the mass effect caused by the cystic lesion. This case report presents the magnetic resonance imaging findings of an 11-month-old girl infant with increased head circumference.
WORLD NEUROSURGERY
(2023)
Review
Anatomy & Morphology
Rene Westerhausen, Marietta Papadatou-Pastou
Summary: Recent research casts doubt on the long-held belief that left or mixed hand preference is associated with a larger corpus callosum, suggesting that this relationship may not be as strong as previously thought.
BRAIN STRUCTURE & FUNCTION
(2022)
Article
Neurosciences
Alberto Failla, Lauryna Filatovaite, Xiaowan Wang, Sampsa Vanhatalo, Jeroen Dudink, Linda S. de Vries, Manon Benders, Nathan Stevenson, Maria Luisa Tataranno
Summary: The study aimed to investigate the association between bursting interhemispheric synchrony (bIHS) and microstructural development of the corpus callosum (CC) in extremely preterm infants during the first week of life. Results indicated that early cortical synchrony may be affected by morphine, but is not associated with the microstructural development of the CC.
HUMAN BRAIN MAPPING
(2022)
Article
Neurosciences
Diego Szczupak, Pamela Meneses Iack, Danielle Rayee, Cirong Liu, Roberto Lent, Fernanda Tovar-Moll, Afonso C. Silva
Summary: The corpus callosum is the primary pathway for interhemispheric communication in the brain, and investigating its connectivity is crucial for understanding the brain's organization. Previous studies have underestimated the presence of heterotopic connections, but using advanced imaging techniques, it was found that around 75% of callosal connections are heterotopic. These heterotopic connections play an important role in determining the global properties of brain networks.
Review
Multidisciplinary Sciences
Ian J. Kirk, Meg J. Spriggs, Rachael L. Sumner
Summary: Long-term potentiation (LTP) is a likely mechanism for learning and memory, and can be studied in humans through paradigms inducing "LTP-like" changes in sensory-evoked potentials, revealing an increase in synaptic LTP in the neural networks generating these potentials. By eliciting and measuring LTP effects, further research on synaptic plasticity can be conducted with clinical applications in various disorders.
JOURNAL OF THE ROYAL SOCIETY OF NEW ZEALAND
(2021)
Article
Neurosciences
Markus Hausmann
Summary: There is strong evidence suggesting differences in brain activity between men and women in long-term memory and other cognitive functions. While sex/gender is not fully understood as a proxy for underlying biological and psychosocial factors, cognitive neuroscience within a biopsychosocial approach plays a key role in investigating these differences for a better understanding.
COGNITIVE NEUROSCIENCE
(2021)
Article
Computer Science, Artificial Intelligence
Maryam Doborjeh, Zohreh Doborjeh, Alexander Merkin, Helena Bahrami, Alexander Sumich, Rita Krishnamurthi, Oleg N. Medvedev, Mark Crook-Rumsey, Catherine Morgan, Ian Kirk, Perminder S. Sachdev, Henry Brodaty, Kristan Kang, Wei Wen, Valery Feigin, Nikola Kasabov
Summary: The study proposed a method using deep learning algorithms in brain-inspired neural networks to build personalized predictive models to accurately detect, understand, and predict dynamic changes in an individual's brain function. Experimental results demonstrated the accuracy and effectiveness of the method on MRI data.
Article
Multidisciplinary Sciences
Shabah M. Shadli, Lynne C. Ando, Julia McIntosh, Veema Lodhia, Bruce R. Russell, Ian J. Kirk, Paul Glue, Neil McNaughton
Summary: The study suggests that the theoretical biomarker GCSR can help diagnose and redefine psychiatric disorders. Research shows that anxiolytic drugs reduce GCSR and correlate with anxiety scores.
SCIENTIFIC REPORTS
(2021)
Article
Multidisciplinary Sciences
Susan M. B. Morton, Carin Napier, Manisha Morar, Karen Waldie, Elizabeth Peterson, Polly Atatoa Carr, Kane Meissel, Sarah-Jane Paine, Cameron C. Grant, Pat Bullen, John Fenaughty, Amy Bird, Lisa Underwood, Clare Wall, Daniel Exeter, Katen Prickett, Te Kani Kingi, Renee Liang, Jacinta Fa'alili-Fidow, Sarah Gerritsen, Emma Marks, Caroline Walker, Fiona Langridge, Rebecca Evans, Denise Neumann, Molly Grant, Hakkan Lai, Seini Taufa, Ash Smith, Jane Cha
Summary: Growing Up in New Zealand is the largest contemporary longitudinal study in the country, providing insight into the lives of children and young people. While most children are growing up well, a significant portion face challenges that limit their wellbeing and opportunities.
JOURNAL OF THE ROYAL SOCIETY OF NEW ZEALAND
(2022)
Article
Psychology, Clinical
Vojtech Smekal, D. Michael Burt, Robert W. Kentridge, Markus Hausmann
Summary: This study aims to address the inconsistencies in the literature regarding the dominance of the right cerebral hemisphere in emotional face perception, specifically exploring the effects of emotional expression intensity, different emotions, and conscious perception. The findings support the hypothesis of right hemisphere dominance in emotional lateralization, while also suggesting that the dominance may be influenced by task difficulty and visual perception strategy.
Article
Psychology, Multidisciplinary
Marco Hirnstein, Josephine Stuebs, Angelica Moe, Markus Hausmann
Summary: Women have a slight advantage in verbal abilities, particularly in phonemic fluency and recall. The gender difference in semantic fluency and recognition appears to be category-dependent. Published articles report stronger female advantages, and first authors believe their own gender performs better.
PERSPECTIVES ON PSYCHOLOGICAL SCIENCE
(2023)
Article
Social Sciences, Interdisciplinary
Maria T. Corkin, Elizabeth R. Peterson, Annette M. E. Henderson, Karen E. Waldie, Elaine Reese, Susan M. B. Morton
Summary: The recent proliferation of mobile technology has greatly influenced the media environment experienced by preschool children today, allowing for a re-evaluation of the predictors of screen time for children in this age group. While previous research found no association between mothers' life logistics and preschool children's screen time, it did find a small negative effect of mothers' work hours on children's screen time. Surprisingly, ethnicity emerged as the strongest predictor of screen time, while symptoms of inattention/hyperactivity and regular childcare attendance were also associated with screen time. Furthermore, the study identified four modifiable media parenting practices that were related to preschool children's screen time.
SOCIAL SCIENCE JOURNAL
(2022)
Article
Multidisciplinary Sciences
Lynette J. Tippett, Erin E. Cawston, Catherine A. Morgan, Tracy R. Melzer, Kiri L. Brickell, Christina Ilse, Gary Cheung, Ian J. Kirk, Reece P. Roberts, Jane Govender, Leon Griner, Campbell Le Heron, Sarah Buchanan, Waiora Port, Makarena Dudley, Tim J. Anderson, Joanna M. Williams, Nicholas J. Cutfield, John C. Dalrymple-Alford, Phil Wood
Summary: This study aims to explore and improve understanding of Alzheimer's Disease and dementia, in order to delay or prevent the progression of dementia. Through multidisciplinary collaboration, regular examinations are conducted on community participants to collect and analyze various biomarkers and risk factors, and to study the mechanisms underlying disease progression. The national outreach of the Dementia Prevention Research Clinics is one of its strengths.
JOURNAL OF THE ROYAL SOCIETY OF NEW ZEALAND
(2023)
Article
Radiology, Nuclear Medicine & Medical Imaging
Catherine A. Morgan, Reece P. Roberts, Tessa Chaffey, Lenore Tahara-Eckl, Meghan van der Meer, Matthias Gunther, Timothy J. Anderson, Nicholas J. Cutfield, John C. Dalrymple-Alford, Ian J. Kirk, Donna Rose Addis, Lynette J. Tippett, Tracy R. Melzer
Summary: This study assessed the repeatability and reproducibility of MRI markers derived from a dementia protocol, finding that structural markers were less variable than functional MRI markers.
PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS
(2022)
Article
Multidisciplinary Sciences
Ramune Griksiene, Rimante Gaizauskaite, Indre Pretkelyte, Markus Hausmann
Summary: The present study assessed the functional cerebral asymmetries of visual working memory (VWM) in relation to language lateralization. The results showed that men and women performed more accurately and faster in the right visual half-field for VWM tasks. In the lexical decision task, a right visual half-field advantage was observed in performance accuracy. There was no relationship between lateralization in VWM and lexical decision. VWM performance accuracy decreased significantly with increasing asymmetry, especially for women.
Article
Neurosciences
Ashkan Alvand, Abin Kuruvilla-Mathew, Reece P. Roberts, Mangor Pedersen, Ian J. Kirk, Suzanne C. Purdy
Summary: Auditory processing disorder (APD) is a listening impairment found in some school-aged children with normal peripheral hearing. This study used diffusion MRI data to investigate the structural connectome in children with APD and compared it with healthy controls. The findings suggest altered structural networks at the regional level in the APD group, indicating the involvement of multimodal deficits and highlighting the role of structure-function alteration in the listening difficulties experienced by children with APD.
Article
Psychology, Multidisciplinary
Guy Vingerhoets, Helena Verhelst, Robin Gerrits, Nicholas Badcock, Dorothy V. M. Bishop, David Carey, Jason Flindall, Gina Grimshaw, Lauren Julius Harris, Markus Hausmann, Marco Hirnstein, Lutz Jancke, Marc Joliot, Karsten Specht, Rene Westerhausen
Summary: This study aims to establish consensus on best practices for assessing and reporting left-right asymmetry in various methods of laterality research. Experts in the field were surveyed and their input was used to generate key recommendations.
Article
Neurosciences
Linda Arrighi, Markus Hausmann
Summary: A recent study found that the male advantage in mental rotation is the largest cognitive sex/gender difference in psychological literature. This study further investigated the impact of spatial anxiety and self-confidence on these gender differences.
Article
Psychology, Experimental
Angelica Moe, Markus Hausmann, Marco Hirnstein
Summary: The study found that men were more likely to endorse male-favouring stereotypes while women were more likely to endorse female-favouring stereotypes. STEM students were more likely to endorse gender stereotypes than non-STEM students, and female STEM students had a stronger belief in the ability to change and improve male-favouring abilities.
PSYCHOLOGICAL RESEARCH-PSYCHOLOGISCHE FORSCHUNG
(2021)