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Hou M, Bergamino M, de Chastelaine M, Sambamoorthy S, Rugg MD. Free water-corrected fractional anisotropy of the fornix and parahippocampal cingulum predicts longitudinal memory change in cognitively healthy older adults. Neurobiol Aging 2024; 142:17-26. [PMID: 39053354 DOI: 10.1016/j.neurobiolaging.2024.04.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/14/2024] [Accepted: 04/13/2024] [Indexed: 07/27/2024]
Abstract
Prior studies have reported inconsistent results regarding the relationships between the integrity of the fornix and parahippocampal cingulum and both memory performance and longitudinal change in performance. In the present study, we examined associations in a sample of cognitively healthy older adults between free water-corrected fractional anisotropy (FA) metrics derived from the fornix and cingulum, baseline memory performance, and 3-year memory change. Neither fornix nor cingulum FA correlated with memory performance at baseline. By contrast, FA of each tract was predictive of memory change, such that greater FA was associated with less longitudinal decline. These associations remained significant after controlling for FA of other white matter tracts and for performance in other cognitive domains. Furthermore, fornix and cingulum FA explained unique variance in memory change. These results suggest that free water-corrected measures of fornix and parahippocampal cingulum integrity are reliable predictors of future memory change in cognitively healthy older adults. The findings for the fornix in particular highlight the utility of correcting for free water when estimating diffusion tensor imaging metrics of white matter integrity.
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Affiliation(s)
- Mingzhu Hou
- Center for Vital Longevity and School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX 75235, USA.
| | - Maurizio Bergamino
- Division of Neuroimaging Research, Barrow Neurological Institute, Phoenix, AZ 85013, USA
| | - Marianne de Chastelaine
- Center for Vital Longevity and School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX 75235, USA
| | - Sowmya Sambamoorthy
- Center for Vital Longevity and School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX 75235, USA
| | - Michael D Rugg
- Center for Vital Longevity and School of Behavioral and Brain Sciences, The University of Texas at Dallas, Dallas, TX 75235, USA
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Yang D, Zhang X, Luo X, Zhang F, Sun S, Shaocheng L, Zhao X, Zhou J. Abnormal Local Brain Activity and Cognitive Impairments in Young Non-Disabled Patients With Intracerebral Hemorrhage: A Resting-State Functional MRI Study. J Magn Reson Imaging 2024; 60:941-951. [PMID: 38146647 DOI: 10.1002/jmri.29166] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 12/27/2023] Open
Abstract
BACKGROUND Resting-state functional MRI (rs-fMRI) has identified static changes of local brain activity among patients with intracerebral hemorrhage (ICH). However, the dynamic and concordance-related characteristics of brain activity remain unclear. PURPOSE To investigate static, dynamic, and concordance-related features of the regional brain activity of young non-disabled ICH patients. STUDY TYPE Prospective. SUBJECTS Thirty-three ICH patients (modified Rankin Scale score ≤2, 21% female, 46.36 ± 6.53) and 33 matched healthy controls (HCs) (21% female, 47.64 ± 6.16). FIELD STRENGTH/SEQUENCE 3-T, rs-fMRI using gradient echo-planar imaging, T1-weighted imaging. ASSESSMENT Neuropsychological and rs-fMRI data were acquired from all participants. Amplitude of low-frequency fluctuations (ALFF), fractional ALFF (fALFF), regional homogeneity (ReHo), voxel-mirrored homotopic connectivity, global signal correlation (GSCorr) and degree centrality (DC), and their dynamic and concordance-related changes with sliding window analysis were calculated based on rs-fMRI data at a whole-brain level. The burden of cerebral small vascular diseases (cSVD) was assessed by cSVD scores. All hemorrhage lesions were delineated on normalized T1 images. STATISTICAL TESTS Multiple regression models, a voxel-level uncorrected P < 0.001, a cluster-level false discovery rate (FDR) corrected q < 0.05, a re-corrected qFDR <0.05 were considered significant. Pearson or Spearman correlation analyses between fMRI data and neurocognitive performance were performed. RESULTS Compared to HCs, ICH patients showed significant abnormal changes of ALFF, dynamic ALFF, fALFF, ReHo, dynamic ReHo, GSCorr, DC, and voxel-wise concordance in multiple brain regions mainly including the bilateral cerebellar hemispheres, ipsilesional thalamus, and bilateral middle cingulum gyrus. The ALFF in the cerebellar posterior lobe and thalamus were significantly associated with attention (r = -0.481) and executive function (rho = -0.521) in ICH patients. DATA CONCLUSION Young non-disabled ICH patients exhibit static, dynamic, and concordance-related alterations of local brain activity, part of which shows associations with cognitive functions. These findings may help comprehensively understand the mechanism of cognitive impairment after ICH. LEVEL OF EVIDENCE 2 TECHNICAL EFFICACY: Stage 3.
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Affiliation(s)
- Dan Yang
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xue Zhang
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Xiangqi Luo
- National Key Laboratory of Cognitive Neuroscience and Learning, IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Fengxia Zhang
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Shengjun Sun
- Department of Neuroradiology, Beijing Neurosurgical Institute, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Liu Shaocheng
- Department of Neurology, Beijing Mentougou District Hospital, Beijing, China
| | - Xingquan Zhao
- Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
| | - Jian Zhou
- Department of Radiology, Beijing Tiantan Hospital, Capital Medical University, Beijing, China
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Yan Z, Yang Y, Wang J, Deng Q, Zhang L, Wang M, Zhou J, Guan Y, Luan G, Wang M. Posterior cingulate epilepsy: Seizure semiology and intracranial electrical stimulation using SEEG. Seizure 2024; 119:28-35. [PMID: 38772097 DOI: 10.1016/j.seizure.2024.05.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2023] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/23/2024] Open
Abstract
PURPOSE This study aimed to explore seizure semiology and the effects of intracerebral electrical stimulation on the human posterior cingulate cortex (PCC) using Stereoelectroencephalography (SEEG) to deepen our comprehension of posterior cingulate epilepsy (PCE). METHODS This study examined the characteristics of seizures through video documentation, by assessing the outcomes of intracranial electrical stimulation (iES) during SEEG. We further identified the connection between the observed semiology and precise anatomical locations within the PCC subregions where seizure onset zones (SOZ) were identified. RESULTS Analysis was conducted on 59 seizures from 15 patients recorded via SEEG. Behavioural arrest emerged as the predominant manifestation across the PCC subregions. Where ictal activity extended to both the mesial and lateral temporal cortex, automatism was predominantly observed in seizures originating from the ventral PCC (vPCC). The retrosplenial cortex (RSC) is associated with complex motor behaviour, with seizure discharges spreading to the temporal lobe. Seizures originating from the PCC include axial tonic and autonomic seizures. Only one case of positive clinical seizures was documented. High frequencies of iES within the PCC induced various clinical responses, categorised as vestibular, visual, psychological, and autonomic, with vestibular reactions primarily occurring in the dorsal PCC (dPCC) and RSC, visual responses in the left RSC, and autonomic reactions in the vPCC and RSC. CONCLUSION The manifestations of seizures in PCE vary according to the SOZ and the patterns of seizure propagation. The occurrence of seizures induced by iES is exceedingly rare, indicating that mapping of the PCC could pinpoint the primary sector of PCC.
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Affiliation(s)
- Zhaofen Yan
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Yujiao Yang
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Jing Wang
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Qin Deng
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Liping Zhang
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Minghui Wang
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Jian Zhou
- Department of Epilepsy Center, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - YuGuang Guan
- Department of Epilepsy Center, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China
| | - Guoming Luan
- Department of Epilepsy Center, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China.
| | - Mengyang Wang
- Department of Neurology, Sanbo Hospital, Capital Medical University, No 50, Xiang-shan-yi-ke-song, Street, HaiDian District, Beijing 100053, China.
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Cárdenas SI, Waizman Y, Truong V, Sellery P, Stoycos SA, Yeh FC, Rajagopalan V, Saxbe DE. White matter microstructure organization across the transition to fatherhood. Dev Cogn Neurosci 2024; 67:101374. [PMID: 38615555 PMCID: PMC11021911 DOI: 10.1016/j.dcn.2024.101374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 03/27/2024] [Accepted: 04/02/2024] [Indexed: 04/16/2024] Open
Abstract
The transition to parenthood remains an understudied window of potential neuroplasticity in the adult brain. White matter microstructural (WMM) organization, which reflects structural connectivity in the brain, has shown plasticity across the lifespan. No studies have examined how WMM organization changes from the prenatal to postpartum period in men becoming fathers. This study investigates WMM organization in men transitioning to first-time fatherhood. We performed diffusion-weighted imaging to identify differences in WMM organization, as indexed by fractional anisotropy (FA). We also investigated whether FA changes were associated with fathers' postpartum mental health. Associations between mental health and WMM organization have not been rarely examined in parents, who may be vulnerable to mental health problems. Fathers exhibited reduced FA at the whole-brain level, especially in the cingulum, a tract associated with emotional regulation. Fathers also displayed reduced FA in the corpus callosum, especially in the forceps minor, which is implicated in cognitive functioning. Postpartum depressive symptoms were linked with increases and decreases in FA, but FA was not correlated with perceived or parenting stress. Findings provide novel insight into fathers' WMM organization during the transition to parenthood and suggest postpartum depression may be linked with fathers' neuroplasticity during the transition to parenthood.
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Affiliation(s)
- Sofia I Cárdenas
- Department of Psychology, University of Southern California, USA
| | - Yael Waizman
- Department of Psychology, University of Southern California, USA
| | - Van Truong
- Department of Psychology, University of Southern California, USA
| | - Pia Sellery
- Department of Psychology, University of Southern California, USA
| | - Sarah A Stoycos
- Department of Psychiatry and the Behavioral Sciences, Keck School of Medicine, University of Southern California, USA
| | - Fang-Cheng Yeh
- Department of Neurological Surgery, University of Pittsburgh, USA
| | - Vidya Rajagopalan
- Department of Pediatrics, Children's Hospital Los Angeles, Keck School of Medicine, University of Southern California, USA
| | - Darby E Saxbe
- Department of Psychology, University of Southern California, USA.
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Duque ACM, Cuesta TAC, Melo ADS, Maldonado IL. Right hemisphere and metaphor comprehension: A connectionist perspective. Neuropsychologia 2023; 187:108618. [PMID: 37321404 DOI: 10.1016/j.neuropsychologia.2023.108618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 04/11/2023] [Accepted: 06/10/2023] [Indexed: 06/17/2023]
Abstract
Metaphor comprehension is a cognitively complex task, with evidence pointing to the engagement of multiple cerebral areas. In addition, the involvement of the right hemisphere appears to vary with cognitive effort. Therefore, the interconnecting pathways of such distributed cortical centers should be taken into account when studying this topic. Despite this, the potential contribution of white matter fasciculi has received very little attention in the literature to date and is not mentioned in most metaphor comprehension studies. To highlight the probable implications of the right inferior fronto-occipital fasciculus, right superior longitudinal system, and callosal radiations, we bring together findings from different research fields. The aim is to describe important insights enabled by the cross-fertilization of functional neuroimaging, clinical findings, and structural connectivity.
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Affiliation(s)
- Anna Clara Mota Duque
- Programa de Pós-Graduação em Medicina e Saúde, Universidade Federal da Bahia, Salvador, Brazil; Faculdade de Medicina da Bahia, Universidade Federal da Bahia, Salvador, Brazil
| | - Taryn Ariadna Castro Cuesta
- Programa de Pós-Graduação em Medicina e Saúde, Universidade Federal da Bahia, Salvador, Brazil; Faculdade de Medicina da Bahia, Universidade Federal da Bahia, Salvador, Brazil
| | - Ailton de Souza Melo
- Programa de Pós-Graduação em Medicina e Saúde, Universidade Federal da Bahia, Salvador, Brazil; Faculdade de Medicina da Bahia, Universidade Federal da Bahia, Salvador, Brazil
| | - Igor Lima Maldonado
- Programa de Pós-Graduação em Medicina e Saúde, Universidade Federal da Bahia, Salvador, Brazil; Dep. Biomorfologia, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil; UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.
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6
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Matyi MA, Spielberg JM. Negative emotion differentiation and white matter microstructure. J Affect Disord 2023; 332:238-246. [PMID: 37059190 DOI: 10.1016/j.jad.2023.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 03/17/2023] [Accepted: 04/07/2023] [Indexed: 04/16/2023]
Abstract
BACKGROUND Deficits in the differentiation of negative emotions - the ability to specifically identify one's negative emotions - are associated with poorer mental health outcomes. However, the processes that lead to individual differences in negative emotion differentiation are not well understood, hampering our understanding of why this process is related to poor mental health outcomes. Given that disruptions in some affective processes are associated with white matter microstructure, identifying the circuitry associated with different affective processes can inform our understanding of how disturbances in these networks may lead to psychopathology. Thus, examination of how white matter microstructure relates to individual differences in negative emotion differentiation (NED) may provide insights into (i) its component processes and (ii) its relationship to brain structure. METHOD The relationship between white matter microstructure and NED was examined. RESULTS NED was related to white matter microstructure in right anterior thalamic radiation and inferior fronto-occipital fasciculus and left peri-genual cingulum. LIMITATIONS Although participants self-reported psychiatric diagnoses and previous psychological treatment, psychopathology was not directly targeted, and thus, the extent to which microstructure related to NED could be examined in relation to maladaptive outcomes is limited. CONCLUSIONS Results indicate that NED is related to white matter microstructure and suggest that pathways subserving processes that facilitate memory, semantics, and affective experience are important for NED. Our findings provide insights into the mechanisms by which individual differences in NED arise, suggesting intervention targets that may disrupt the relationship between poor differentiation and psychopathology.
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Affiliation(s)
- Melanie A Matyi
- Department of Psychological and Brain Sciences, University of Delaware, Newark, DE 19716, USA.
| | - Jeffrey M Spielberg
- Department of Psychological and Brain Sciences, University of Delaware, Newark, DE 19716, USA
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Castro Cuesta TA, Maldonado IL. Comment on: "The ventral precuneal-posterior cingulate region as a site of epileptogenicity". Epileptic Disord 2023; 25:281-282. [PMID: 37318229 DOI: 10.1002/epd2.20007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 10/04/2022] [Indexed: 12/01/2023]
Affiliation(s)
- Taryn Ariadna Castro Cuesta
- Faculdade de Medicina da Bahia, Universidade Federal da Bahia, Salvador, Brazil
- Programa de Pós-Graduação em Medicina e Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Igor Lima Maldonado
- Departamento de Biomorfologia - Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
- Department of Neurosurgery, CHRU de Tours, 37044, Tours, France
- UMR Inserm U1253, iBrain, Université de Tours, Tours, France
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Wu Y, Hu S, Wang Y, Dong T, Wu H, Wang A, Li C, Kan H. Altered microstructural pattern of the cortex and basal forebrain cholinergic system in wilson's disease: an automated fiber quantification tractography study. Brain Imaging Behav 2023; 17:200-212. [PMID: 36690883 DOI: 10.1007/s11682-022-00753-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 01/25/2023]
Abstract
Basal forebrain (BF) cholinergic projection neurons form a highly extensive input to the cortex. Failure of BF cholinergic circuits is responsible for the cognitive impairment associated with Wilson's disease (WD), but whether and how the microstructural changes in fiber projections between the BF and cerebral cortex influence prospective memory (PM) remain poorly understood. We collected diffusion tensor imaging (DTI) data from 21 neurological WD individuals and 26 healthy controls (HCs). The experiment reconstructed the probabilistic streamlined tractography of 18 white matter tracts using an automated fiber quantification (AFQ) toolkit. Tract properties (FA, MD, RD, and AD) were computed for 100 points along each tract for each participant, and the differences between the groups were examined. Subsequently, correlation analysis was performed to evaluate whether abnormal microstructural white matter integrity measures correlate with PM performance. Additional investigations used a tract-based spatial statistics (TBSS) approach to identify regions with altered white matter structure between groups and verify the reliability of the AFQ results. The highest nonoverlapping DTI-related differences were detected in the anterior thalamic radiation (ATR), corticospinal tract (CST), corpus callosum, association fibers, and limbic system fibers. Additionally, PM parameters of the patient group were highly correlated with white matter microstructure changes in the inferior longitudinal fasciculus. Our study highlights that the performance of projections between cholinergic input and output areas-the cerebral cortex and BF-may serve as neural biomarkers of PM and disease prognosis.
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Affiliation(s)
- Yutong Wu
- School of Medical Information Engineering, Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China
| | - Sheng Hu
- School of Medical Information Engineering, Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China. .,Centers for Biomedical Engineering, University of Science and Technology of China, 230027, Hefei, Anhui, China.
| | - Yi Wang
- School of Medical Information Engineering, Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China
| | - Ting Dong
- Medical Imaging Center, The First Affiliated Hospital of Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China
| | - Hongli Wu
- School of Medical Information Engineering, Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China
| | - Anqin Wang
- Medical Imaging Center, The First Affiliated Hospital of Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China
| | - Chuanfu Li
- Medical Imaging Center, The First Affiliated Hospital of Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China
| | - Hongxing Kan
- School of Medical Information Engineering, Anhui University of Chinese Medicine, 230012, Hefei, Anhui, China.
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Smirnov M, Maldonado IL, Destrieux C. Using ex vivo arterial injection and dissection to assess white matter vascularization. Sci Rep 2023; 13:809. [PMID: 36646713 PMCID: PMC9842749 DOI: 10.1038/s41598-022-26227-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 12/12/2022] [Indexed: 01/18/2023] Open
Abstract
Advances in the techniques for assessing human cerebral white matter have recently contributed to greater attention to structural connectivity. Yet, little is known about the vascularization of most white matter fasciculi and the fascicular composition of the vascular territories. This paper presents an original method to label the arterial supply of macroscopic white matter fasciculi based on a standardized protocol for post-mortem injection of colored material into main cerebral arteries combined with a novel fiber dissection technique. Twelve whole human cerebral hemispheres obtained post-mortem were included. A detailed description of every step, from obtaining the specimen to image acquisition of its dissection, is provided. Injection and dissection were reproducible and manageable without any sophisticated equipment. They successfully showed the arterial supply of the dissected fasciculi. In addition, we discuss the challenges we faced and overcame during the development of the presented method, highlight its originality. Henceforth, this innovative method serves as a tool to provide a precise anatomical description of the vascularization of the main white matter tracts.
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Affiliation(s)
- Mykyta Smirnov
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France.
| | - Igor Lima Maldonado
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France
- CHRU de Tours, Tours, France
| | - Christophe Destrieux
- UMR 1253, iBrain, Université de Tours, Inserm, Tours, France
- CHRU de Tours, Tours, France
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Hebert JR, Filley CM. Multisensory integration and white matter pathology: Contributions to cognitive dysfunction. Front Neurol 2022; 13:1051538. [PMID: 36408503 PMCID: PMC9668060 DOI: 10.3389/fneur.2022.1051538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 10/18/2022] [Indexed: 11/23/2022] Open
Abstract
The ability to simultaneously process and integrate multiple sensory stimuli is paramount to effective daily function and essential for normal cognition. Multisensory management depends critically on the interplay between bottom-up and top-down processing of sensory information, with white matter (WM) tracts acting as the conduit between cortical and subcortical gray matter (GM) regions. White matter tracts and GM structures operate in concert to manage both multisensory signals and cognition. Altered sensory processing leads to difficulties in reweighting and modulating multisensory input during various routine environmental challenges, and thus contributes to cognitive dysfunction. To examine the specific role of WM in altered sensory processing and cognitive dysfunction, this review focuses on two neurologic disorders with diffuse WM pathology, multiple sclerosis and mild traumatic brain injury, in which persistently altered sensory processing and cognitive impairment are common. In these disorders, cognitive dysfunction in association with altered sensory processing may develop initially from slowed signaling in WM tracts and, in some cases, GM pathology secondary to WM disruption, but also because of interference with cognitive function by the added burden of managing concurrent multimodal primary sensory signals. These insights promise to inform research in the neuroimaging, clinical assessment, and treatment of WM disorders, and the investigation of WM-behavior relationships.
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Affiliation(s)
- Jeffrey R. Hebert
- Physical Performance Laboratory, Marcus Institute for Brain Health, University of Colorado School of Medicine, Aurora, CO, United States
| | - Christopher M. Filley
- Behavorial Neurology Section, Department of Neurology and Psychiatry, Marcus Institute for Brain Health, University of Colorado School of Medicine, Aurora, CO, United States
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Lee J, Kim M, Kim N, Hwang Y, Lee KH, Lee J, Lee YJ, Kim SJ. Evidence of White Matter Integrity Changes in the Anterior Cingulum Among Shift Workers: A Cross-Sectional Study. Nat Sci Sleep 2022; 14:1417-1425. [PMID: 35996418 PMCID: PMC9392483 DOI: 10.2147/nss.s369192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 08/03/2022] [Indexed: 12/02/2022] Open
Abstract
Introduction We investigated the white matter integrity in shift and non-shift workers and its associations with sleep and activity. Methods Diffusion tensor imaging (DTI) was performed on 61 shift workers and 31 non-shift workers. Their sleep and activity profiles were assessed using the Pittsburgh Sleep Quality Index (PSQI), sleep diaries, and actigraphy. Fractional anisotropy (FA) (a measure of white matter integrity) was calculated using DTI tractography. Results Shift workers exhibited higher FA values in the bilateral anterior cingulum than did non-shift workers. An increased FA in the right anterior cingulum was correlated with poor sleep quality (ie, a high PSQI score) in shift workers. An increased FA in the right anterior cingulum was also correlated with higher actigraphic activity indices (the mesor and M10 indices) in shift workers. Discussion The white matter integrity of the anterior cingulum was altered in shift workers, perhaps in association with sleep and activity disturbances.
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Affiliation(s)
- Jiye Lee
- Department of Psychiatry, Sungkyunkwan University College of Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Minjeong Kim
- Department of Psychiatry, Sungkyunkwan University College of Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Nambeom Kim
- Department of Biomedical Engineering Research Center, Gachon University, Incheon, Republic of Korea
| | - Yunjee Hwang
- Department of Psychiatry, Sungkyunkwan University College of Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Kyung Hwa Lee
- Department of Psychiatry and Center for Sleep and Chronobiology, Seoul National University, College of Medicine and Hospital, Seoul, Republic of Korea
- Division of Child and Adolescent Psychiatry, Department of Psychiatry, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jooyoung Lee
- Department of Psychiatry, Sungkyunkwan University College of Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Yu Jin Lee
- Department of Psychiatry and Center for Sleep and Chronobiology, Seoul National University, College of Medicine and Hospital, Seoul, Republic of Korea
| | - Seog Ju Kim
- Department of Psychiatry, Sungkyunkwan University College of Medicine, Samsung Medical Center, Seoul, Republic of Korea
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Andriuta D, Si-Ahmed C, Roussel M, Constans JM, Makki M, Aarabi A, Basille D, Andrejak C, Godefroy O. Clinical and Imaging Determinants of Neurocognitive Disorders in Post-Acute COVID-19 Patients with Cognitive Complaints. J Alzheimers Dis 2022; 87:1239-1250. [DOI: 10.3233/jad-215506] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Background: Neurocognitive disorders (NCDs) are a part of the post-acute coronavirus disease (COVID-19) syndrome. No study has specifically evaluated NCDs in post-acute COVID-19 patients with cognitive complaints or their MRI determinants. Objective: To characterize NCDs in post-acute COVID-19 patients with cognitive complaints. The secondary objectives were to assess their clinical and MRI determinants. Methods: We included 46 patients with a post-acute COVID-19 cognitive complaint referred to the Amiens University Hospital Memory Center. They underwent a neuropsychological assessment and 36 had cerebral MRI. The G3 overall summary score was the sum of the mean z scores for the executive function, language, and action speed domains. Neuropsychological profiles were compared in a general linear model. Clinical determinants were analyzed by stepwise linear regression. White matter hyperintensities (WMH) masks were analyzed using parcel-based WMH symptom mapping to identify the locations of WMHs associated with cognitive performance. Results: Repeated ANOVA showed a group effect (p = 0.0001) due to overall lower performance for patients and a domain effect (p = 0.0001) due to a lower (p = 0.007) action speed score. The G3 overall summary score was significantly associated with solely the requirement for oxygen (R2 = 0.319, p = 0.031). WHMs were associated with the G3 overall summary score in the following structures, all right-sided (p < 0.01): superior frontal region, postcentral region, cingulum, cortico-spinal tract, inferior longitudinal fasciculus, internal capsule, and posterior segment of the arcuate fasciculus. Conclusion: Post-acute COVID-19 patients with cognitive complaints had NCD, with prominent action slowing, significantly associated with the acute phase oxygen requirement and a right-sided WMH structure pattern.
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Affiliation(s)
- Daniela Andriuta
- Department of Neurology, Amiens University Medical Center, Amiens, France
- Laboratoire de Neurosciences Fonctionnelles et Pathologies (UR UPJV 4559), Jules Verne University of Picardy, Amiens, France
| | - Cherifa Si-Ahmed
- Department of Neurology, Amiens University Medical Center, Amiens, France
| | - Martine Roussel
- Department of Neurology, Amiens University Medical Center, Amiens, France
- Laboratoire de Neurosciences Fonctionnelles et Pathologies (UR UPJV 4559), Jules Verne University of Picardy, Amiens, France
| | - Jean-Marc Constans
- Department of Radiology, Amiens University Medical Center, Amiens, France
| | - Malek Makki
- Laboratoire de Neurosciences Fonctionnelles et Pathologies (UR UPJV 4559), Jules Verne University of Picardy, Amiens, France
| | - Ardalan Aarabi
- Laboratoire de Neurosciences Fonctionnelles et Pathologies (UR UPJV 4559), Jules Verne University of Picardy, Amiens, France
| | - Damien Basille
- Department of Pneumology, Amiens University Medical Center and UR 4294 AGIR, JulesVerne University of Picardy, Amiens, France
| | - Claire Andrejak
- Department of Pneumology, Amiens University Medical Center and UR 4294 AGIR, JulesVerne University of Picardy, Amiens, France
| | - Olivier Godefroy
- Department of Neurology, Amiens University Medical Center, Amiens, France
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13
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Yu X, Cohen ZP, Tsuchiyagaito A, Cochran G, Aupperle RL, Stewart JL, Singh MK, Misaki M, Bodurka J, Paulus MP, Kirlic N. Neurofeedback-Augmented Mindfulness Training Elicits Distinct Responses in the Subregions of the Insular Cortex in Healthy Adolescents. Brain Sci 2022; 12:brainsci12030363. [PMID: 35326319 PMCID: PMC8946655 DOI: 10.3390/brainsci12030363] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/25/2022] [Accepted: 03/03/2022] [Indexed: 02/05/2023] Open
Abstract
Mindfulness training (MT) reduces self-referential processing and promotes interoception, the perception of sensations from inside the body, by increasing one’s awareness of and regulating responses to them. The posterior cingulate cortex (PCC) and the insular cortex (INS) are considered hubs for self-referential processing and interoception, respectively. Although MT has been consistently found to decrease PCC, little is known about how MT relates to INS activity. Understanding links between mindfulness and interoception may be particularly important for informing mental health in adolescence, when neuroplasticity and emergence of psychopathology are heightened. We examined INS activity during real-time functional magnetic resonance imaging neurofeedback-augmented mindfulness training (NAMT) targeting the PCC. Healthy adolescents (N = 37; 16 female) completed the NAMT task, including Focus-on-Breath (MT), Describe (self-referential processing), and Rest conditions, across three neurofeedback runs and two non-neurofeedback runs (Observe, Transfer). Regression coefficients estimated from the generalized linear model were extracted from three INS subregions: anterior (aINS), mid (mINS), and posterior (pINS). Mixed model analyses revealed the main effect of run for Focus-on-Breath vs. Describe contrast in aINS [R2 = 0.39] and pINS [R2 = 0.33], but not mINS [R2 = 0.34]. Post hoc analyses revealed greater aINS activity and reduced pINS activity during neurofeedback runs, and such activities were related to lower self-reported life satisfaction and less pain behavior, respectively. These findings revealed the specific involvement of insula subregions in rtfMRI-nf MT.
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Affiliation(s)
- Xiaoqian Yu
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
| | - Zsofia P. Cohen
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
| | - Aki Tsuchiyagaito
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
| | - Gabriella Cochran
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
| | - Robin L. Aupperle
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
- Department of Community Medicine, University of Tulsa, Tulsa, OK 74104, USA
| | - Jennifer L. Stewart
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
- Department of Community Medicine, University of Tulsa, Tulsa, OK 74104, USA
| | - Manpreet K. Singh
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA;
| | - Masaya Misaki
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
| | - Jerzy Bodurka
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
| | - Martin P. Paulus
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA;
| | - Namik Kirlic
- Laureate Institute for Brain Research, Tulsa, OK 74136, USA; (X.Y.); (Z.P.C.); (A.T.); (G.C.); (R.L.A.); (J.L.S.); (M.M.); (M.P.P.)
- Correspondence: ; Tel.: +1-918-502-5747
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14
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Wu J, Wu J, Guo R, Chu L, Li J, Zhang S, Ren H. The decreased connectivity in middle temporal gyrus can be used as a potential neuroimaging biomarker for left temporal lobe epilepsy. Front Psychiatry 2022; 13:972939. [PMID: 36032260 PMCID: PMC9399621 DOI: 10.3389/fpsyt.2022.972939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 07/08/2022] [Indexed: 11/23/2022] Open
Abstract
OBJECTIVE We aimed to explore voxel-mirrored homotopic connectivity (VMHC) abnormalities between the two brain hemispheres in left temporal lobe epilepsy (lTLE) patients and to determine whether these alterations could be leveraged to guide lTLE diagnosis. MATERIALS AND METHODS Fifty-eight lTLE patients and sixty healthy controls (HCs) matched in age, sex, and education level were recruited to receive resting state functional magnetic resonance imaging (rs-fMRI) scan. Then VHMC analyses of bilateral brain regions were conducted based on the results of these rs-fMRI scans. The resultant imaging data were further analyzed using support vector machine (SVM) methods. RESULTS Compared to HCs, patients with lTLE exhibited decreased VMHC values in the bilateral middle temporal gyrus (MTG) and middle cingulum gyrus (MCG), while no brain regions in these patients exhibited increased VMHC values. SVM analyses revealed the diagnostic accuracy of reduced bilateral MTG VMHC values to be 75.42% (89/118) when differentiating between lTLE patients and HCs, with respective sensitivity and specificity values of 74.14% (43/58) and 76.67% (46/60). CONCLUSION Patients with lTLE exhibit abnormal VMHC values corresponding to the impairment of functional coordination between homotopic regions of the brain. These altered MTG VMHC values may also offer value as a robust neuroimaging biomarker that can guide lTLE patient diagnosis.
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Affiliation(s)
- Jinlong Wu
- Department of Imaging Center, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China.,Key Laboratory of Occupational Hazards and Identification, Wuhan University of Science and Technology, Wuhan, China
| | - Jun Wu
- Department of Neurosurgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ruimin Guo
- Department of Imaging Center, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Linkang Chu
- Department of Imaging Center, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Jun Li
- Department of Neurosurgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Sheng Zhang
- Liyuan Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongwei Ren
- Department of Imaging Center, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
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15
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Gao Y, Wang X, Xiong Z, Ren H, Liu R, Wei Y, Li D. Abnormal Fractional Amplitude of Low-Frequency Fluctuation as a Potential Imaging Biomarker for First-Episode Major Depressive Disorder: A Resting-State fMRI Study and Support Vector Machine Analysis. Front Neurol 2021; 12:751400. [PMID: 34912284 PMCID: PMC8666416 DOI: 10.3389/fneur.2021.751400] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Accepted: 10/27/2021] [Indexed: 12/24/2022] Open
Abstract
Objective: Major depressive disorder (MDD) is a psychiatric disorder with serious negative health outcomes; however, there is no reliable method of diagnosis. This study explored the clinical diagnostic value of the fractional amplitude of low-frequency fluctuation (fALFF) based on the support vector machine (SVM) method for the diagnosis of MDD. Methods: A total of 198 first-episode MDD patients and 234 healthy controls were involved in this study, and all participants underwent resting-state functional magnetic resonance imaging (fMRI) scanning. Imaging data were analyzed with the fALFF and SVM methods. Results: Compared with the healthy controls, the first-episode MDD patients showed higher fALFF in the left mid cingulum, right precuneus, and left superior frontal gyrus (SFG). The increased fALFF in these three brain regions was positively correlated with the executive control reaction time (ECRT), and the increased fALFF in the left mid cingulum and left SFG was positively correlated with the 17-item Hamilton Rating Scale for Depression (HRSD-17) scores. The SVM results showed that increased fALFF in the left mid cingulum, right precuneus, and left SFG exhibited high diagnostic accuracy of 72.92% (315/432), 71.76% (310/432), and 73.84% (319/432), respectively. The highest diagnostic accuracy of 76.39% (330/432) was demonstrated for the combination of increased fALFF in the right precuneus and left SFG, along with a sensitivity of 84.34% (167/198), and a specificity of 70.51% (165/234). Conclusion: Increased fALFF in the left mid cingulum, right precuneus, and left SFG may serve as a neuroimaging marker for first-episode MDD. The use of the increased fALFF in the right precuneus and left SFG in combination showed the best diagnostic value.
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Affiliation(s)
- Yujun Gao
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xi Wang
- Department of Mental Health, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Zhenying Xiong
- Department of Psychiatry, Jiangxia District Mental Hospital, Wuhan, China
| | - Hongwei Ren
- Department of Medical Imaging, Tianyou Hospital Affiliated to Wuhan University of Science and Technology, Wuhan, China
| | - Ruoshi Liu
- Department of Neurology, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yafen Wei
- First Department of Neurology and Neuroscience Center, Heilongjiang Provincial Hospital, Harbin, China
| | - Dongbin Li
- First Department of Neurology and Neuroscience Center, Heilongjiang Provincial Hospital, Harbin, China.,Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, China
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16
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Iannotti GR, Orepic P, Brunet D, Koenig T, Alcoba-Banqueri S, Garin DFA, Schaller K, Blanke O, Michel CM. EEG Spatiotemporal Patterns Underlying Self-other Voice Discrimination. Cereb Cortex 2021; 32:1978-1992. [PMID: 34649280 PMCID: PMC9070353 DOI: 10.1093/cercor/bhab329] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 11/24/2022] Open
Abstract
There is growing evidence showing that the representation of the human “self” recruits special systems across different functions and modalities. Compared to self-face and self-body representations, few studies have investigated neural underpinnings specific to self-voice. Moreover, self-voice stimuli in those studies were consistently presented through air and lacking bone conduction, rendering the sound of self-voice stimuli different to the self-voice heard during natural speech. Here, we combined psychophysics, voice-morphing technology, and high-density EEG in order to identify the spatiotemporal patterns underlying self-other voice discrimination (SOVD) in a population of 26 healthy participants, both with air- and bone-conducted stimuli. We identified a self-voice-specific EEG topographic map occurring around 345 ms post-stimulus and activating a network involving insula, cingulate cortex, and medial temporal lobe structures. Occurrence of this map was modulated both with SOVD task performance and bone conduction. Specifically, the better participants performed at SOVD task, the less frequently they activated this network. In addition, the same network was recruited less frequently with bone conduction, which, accordingly, increased the SOVD task performance. This work could have an important clinical impact. Indeed, it reveals neural correlates of SOVD impairments, believed to account for auditory-verbal hallucinations, a common and highly distressing psychiatric symptom.
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Affiliation(s)
- Giannina Rita Iannotti
- Functional Brain Mapping Lab, Department of Fundamental Neurosciences, University of Geneva, 1202, Switzerland.,Department of Neurosurgery, University Hospitals of Geneva and Faculty of Medicine, University of Geneva, 1205, Switzerland
| | - Pavo Orepic
- Laboratory of Cognitive Neuroscience, Center for Neuroprosthetics and Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), 1202, Switzerland
| | - Denis Brunet
- Functional Brain Mapping Lab, Department of Fundamental Neurosciences, University of Geneva, 1202, Switzerland.,CIBM Center for Biomedical Imaging, Lausanne and Geneva, 1015, Switzerland
| | - Thomas Koenig
- Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern 3000, Switzerland
| | - Sixto Alcoba-Banqueri
- Laboratory of Cognitive Neuroscience, Center for Neuroprosthetics and Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), 1202, Switzerland
| | - Dorian F A Garin
- Department of Neurosurgery, University Hospitals of Geneva and Faculty of Medicine, University of Geneva, 1205, Switzerland
| | - Karl Schaller
- Department of Neurosurgery, University Hospitals of Geneva and Faculty of Medicine, University of Geneva, 1205, Switzerland
| | - Olaf Blanke
- Laboratory of Cognitive Neuroscience, Center for Neuroprosthetics and Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), 1202, Switzerland
| | - Christoph M Michel
- Functional Brain Mapping Lab, Department of Fundamental Neurosciences, University of Geneva, 1202, Switzerland.,CIBM Center for Biomedical Imaging, Lausanne and Geneva, 1015, Switzerland
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17
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Huang L, Zhang Q, Tang T, Yang M, Chen C, Tao J, Liang S. Abnormalities of Brain White Matter in Type 2 Diabetes Mellitus: A Meta-Analysis of Diffusion Tensor Imaging. Front Aging Neurosci 2021; 13:693890. [PMID: 34421572 PMCID: PMC8378805 DOI: 10.3389/fnagi.2021.693890] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/05/2021] [Indexed: 11/13/2022] Open
Abstract
Aims: The study aimed to conduct a meta-analysis to determine the abnormalities of white matter in patients with type 2 diabetes mellitus (T2DM) by identifying the consistency of diffusion tensor imaging (DTI). Method: The literature for DTI comparing patients with T2DM with controls published before October 30, 2020, were reviewed in PubMed, Web of Science, Embase, CNKI, and Wan Fang databases. The meta-analysis was performed using the activation likelihood estimation (ALE) method, including 12 reports and 381 patients with T2DM. Results: The meta-analysis identified 10 white matter regions that showed a consistent reduction of fractional anisotropy (FA) in patients with T2DM, including genu of the corpus callosum, the body of corpus callosum, bilateral anterior corona radiata, bilateral superior corona radiata, bilateral cingulum, and bilateral superior fronto-occipital fasciculus. Conclusion: This study revealed the abnormal characteristics of white matter in T2DM, which would be helpful to understand the underlying neuropathological and physiological mechanisms of T2DM and provide evidence for clinical diagnosis and treatment.
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Affiliation(s)
- Li Huang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Qingqing Zhang
- College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Tong Tang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,College of Rehabilitation Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Minguang Yang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Cong Chen
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Jing Tao
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
| | - Shengxiang Liang
- National-Local Joint Engineering Research Center of Rehabilitation Medicine Technology, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Rehabilitation Industry Institute, Fujian University of Traditional Chinese Medicine, Fuzhou, China.,Traditional Chinese Medicine Rehabilitation Research Center of State Administration of Traditional Chinese Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, China
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18
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Paulus MP, Khalsa SS. When You Don't Feel Right Inside: Homeostatic Dysregulation and the Mid-Insular Cortex in Psychiatric Disorders. Am J Psychiatry 2021; 178:683-685. [PMID: 34383566 DOI: 10.1176/appi.ajp.2021.21060622] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Martin P Paulus
- Laureate Institute for Brain Research, Tulsa, Okla.; and Faculty of Community Medicine, University of Tulsa, Okla
| | - Sahib S Khalsa
- Laureate Institute for Brain Research, Tulsa, Okla.; and Faculty of Community Medicine, University of Tulsa, Okla
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19
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Porto de Oliveira JVM, Raquelo-Menegassio AF, Maldonado IL. What's your name again? A review of the superior longitudinal and arcuate fasciculus evolving nomenclature. Clin Anat 2021; 34:1101-1110. [PMID: 34218465 DOI: 10.1002/ca.23764] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 05/25/2021] [Accepted: 06/18/2021] [Indexed: 11/11/2022]
Abstract
Studies of the superior longitudinal fasciculus (SLF) have multiplied in recent decades owing to methodological advances, but the absence of a convention for nomenclature remains a source of confusion. Here, we have reviewed existing nomenclatures in the context of the research studies that generated them and we have identified their agreements and disagreements. A literature search was conducted using PubMed/MEDLINE, Web-of-Science, Embase, and a review of seminal publications, without restrictions regarding publication date. Our search revealed that diffusion imaging, autoradiography, and fiber dissection have been the main methods contributing to tract designation. The first two have been particularly influential in systematizing the horizontal elements distant from the lateral sulcus. Twelve approaches to naming were identified, eight of them differing considerably from each other. The terms SLF and arcuate fasciculus (AF) were often used as synonyms until the second half of the 20th century. During the last 15 years, this has ceased to be the case in a growing number of publications. The term AF has been used to refer to the assembly of three different segments, or exclusively to long frontotemporal fibers. Similarly, the term SLF has been employed to denote the whole superior longitudinal associative system, or only the horizontal frontoparietal parts. As only partial correspondence can be identified among the available nomenclatures, and in the absence of an official designation of all anatomical structures that can be encountered in clinical practice, a high level of vigilance regarding the effectiveness of every oral or written act of communication is mandatory.
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Affiliation(s)
| | | | - Igor Lima Maldonado
- UMR Inserm U1253, iBrain, Université de Tours, Tours, France.,CHRU de Tours, Tours, France.,Departamento de Biomorfologia, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil.,Programa de Pós-Graduação em Medicina e Saúde, Universidade Federal da Bahia, Salvador, Brazil
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20
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Ng S, Herbet G, Lemaitre AL, Moritz-Gasser S, Duffau H. Disrupting self-evaluative processing with electrostimulation mapping during awake brain surgery. Sci Rep 2021; 11:9386. [PMID: 33931714 PMCID: PMC8087680 DOI: 10.1038/s41598-021-88916-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/19/2021] [Indexed: 02/08/2023] Open
Abstract
Brain awake surgery with cognitive monitoring for tumor removal has become a standard of treatment for functional purpose. Yet, little attention has been given to patients' interpretation and awareness of their own responses to selected cognitive tasks during direct electrostimulation (DES). We aim to report disruptions of self-evaluative processing evoked by DES during awake surgery. We further investigate cortico-subcortical structures involved in self-assessment process and report the use of an intraoperative self-assessment tool, the self-confidence index (SCI). Seventy-two patients who had undergone awake brain tumor resections were selected. Inclusion criteria were the occurrence of a DES-induced disruption of an ongoing task followed by patient's failure to remember or criticize these impairments, or a dissociation between patient's responses to an ongoing task and patient's SCI. Disruptions of self-evaluation were frequently associated with semantic disorders and critical sites were mostly found along the left/right ventral semantic streams. Disconnectome analyses generated from a tractography-based atlas confirmed the high probability of the inferior fronto-occipital fasciculus to be transitory 'disconnected'. These findings suggest that white matters pathways belonging to the ventral semantic stream may be critically involved in human self-evaluative processing. Finally, the authors discuss the implementation of the SCI task during multimodal intraoperative monitoring.
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Affiliation(s)
- Sam Ng
- Department of Neurosurgery, Gui de Chauliac Hospital, Montpellier University Medical Center, 80 Av Augustin Fliche, 34295, Montpellier, France. .,Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM U1191, Montpellier, France.
| | - Guillaume Herbet
- Department of Neurosurgery, Gui de Chauliac Hospital, Montpellier University Medical Center, 80 Av Augustin Fliche, 34295, Montpellier, France.,Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM U1191, Montpellier, France.,Department of Speech-Language Pathology, University of Montpellier, Montpellier, France
| | - Anne-Laure Lemaitre
- Department of Neurosurgery, Gui de Chauliac Hospital, Montpellier University Medical Center, 80 Av Augustin Fliche, 34295, Montpellier, France.,Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM U1191, Montpellier, France
| | - Sylvie Moritz-Gasser
- Department of Neurosurgery, Gui de Chauliac Hospital, Montpellier University Medical Center, 80 Av Augustin Fliche, 34295, Montpellier, France.,Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM U1191, Montpellier, France.,Department of Speech-Language Pathology, University of Montpellier, Montpellier, France
| | - Hugues Duffau
- Department of Neurosurgery, Gui de Chauliac Hospital, Montpellier University Medical Center, 80 Av Augustin Fliche, 34295, Montpellier, France.,Institut de Génomique Fonctionnelle, Université de Montpellier, CNRS, INSERM U1191, Montpellier, France.,Department of Speech-Language Pathology, University of Montpellier, Montpellier, France
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21
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Saleh Y, Le Heron C, Petitet P, Veldsman M, Drew D, Plant O, Schulz U, Sen A, Rothwell PM, Manohar S, Husain M. Apathy in small vessel cerebrovascular disease is associated with deficits in effort-based decision making. Brain 2021; 144:1247-1262. [PMID: 33734344 PMCID: PMC8240747 DOI: 10.1093/brain/awab013] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 10/23/2020] [Accepted: 11/04/2020] [Indexed: 11/16/2022] Open
Abstract
Patients with small vessel cerebrovascular disease frequently suffer from apathy, a debilitating neuropsychiatric syndrome, the underlying mechanisms of which remain to be established. Here we investigated the hypothesis that apathy is associated with disrupted decision making in effort-based decision making, and that these alterations are associated with abnormalities in the white matter network connecting brain regions that underpin such decisions. Eighty-two patients with MRI evidence of small vessel disease were assessed using a behavioural paradigm as well as diffusion weighted MRI. The decision-making task involved accepting or rejecting monetary rewards in return for performing different levels of physical effort (hand grip force). Choice data and reaction times were integrated into a drift diffusion model that framed decisions to accept or reject offers as stochastic processes approaching a decision boundary with a particular drift rate. Tract-based spatial statistics were used to assess the relationship between white matter tract integrity and apathy, while accounting for depression. Overall, patients with apathy accepted significantly fewer offers on this decision-making task. Notably, while apathetic patients were less responsive to low rewards, they were also significantly averse to investing in high effort. Significant reductions in white matter integrity were observed to be specifically related to apathy, but not to depression. These included pathways connecting brain regions previously implicated in effort-based decision making in healthy people. The drift rate to decision parameter was significantly associated with both apathy and altered white matter tracts, suggesting that both brain and behavioural changes in apathy are associated with this single parameter. On the other hand, depression was associated with an increase in the decision boundary, consistent with an increase in the amount of evidence required prior to making a decision. These findings demonstrate altered effort-based decision making for reward in apathy, and also highlight dissociable mechanisms underlying apathy and depression in small vessel disease. They provide clear potential brain and behavioural targets for future therapeutic interventions, as well as modelling parameters that can be used to measure the effects of treatment at the behavioural level.
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Affiliation(s)
- Youssuf Saleh
- Nuffield Department of Clinical Neurosciences, University of Oxford, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK.,Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK
| | - Campbell Le Heron
- Nuffield Department of Clinical Neurosciences, University of Oxford, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK.,New Zealand Brain Research Institute, Christchurch 8011, New Zealand.,Department of Medicine, University of Otago, Christchurch 8011, New Zealand
| | - Pierre Petitet
- Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK
| | - Michele Veldsman
- Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK
| | - Daniel Drew
- Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK
| | - Olivia Plant
- Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK
| | - Ursula Schulz
- Nuffield Department of Clinical Neurosciences, University of Oxford, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK
| | - Arjune Sen
- Nuffield Department of Clinical Neurosciences, University of Oxford, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK.,Oxford Epilepsy Research Group, NIHR Biomedical Research Centre, Nuffield Department of Clinical Neurosciences, John Radcliffe Hospital, Oxford, OX3 9DU, UK
| | - Peter M Rothwell
- Nuffield Department of Clinical Neurosciences, University of Oxford, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK.,Wolfson Centre for Prevention of Stroke and Dementia, Nuffield Dept Clinical Neurosciences, University of Oxford, UK
| | - Sanjay Manohar
- Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK
| | - Masud Husain
- Nuffield Department of Clinical Neurosciences, University of Oxford, Level 6, West Wing, John Radcliffe Hospital, Oxford, OX3 9DU, UK.,Department of Experimental Psychology, University of Oxford, Anna Watts Building, Radcliffe Observatory Quarter, Oxford, OX2 6GG, UK.,NIHR Oxford Biomedical Research Centre, Oxford, UK.,Wellcome Centre for Integrative Neuroimaging, University of Oxford, UK
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van Kessel E, Huenges Wajer IMC, Ruis C, Seute T, Fonville S, De Vos FYFL, Verhoeff JJC, Robe PA, van Zandvoort MJE, Snijders TJ. Cognitive impairments are independently associated with shorter survival in diffuse glioma patients. J Neurol 2020; 268:1434-1442. [PMID: 33211158 PMCID: PMC7990824 DOI: 10.1007/s00415-020-10303-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 10/28/2020] [Accepted: 11/01/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND Diffuse gliomas (WHO grade II-IV) are progressive primary brain tumors with great variability in prognosis. Cognitive deficits are of important prognostic value for survival in diffuse gliomas. Until now, few studies focused on domain-specific neuropsychological assessment and rather used MMSE as a measure for cognitive functioning. Additionally, these studies did not take WHO 2016 diagnosis into account. We performed a retrospective cohort study with the aim to investigate the independent relationship between cognitive functioning and survival in treatment-naive patients undergoing awake surgery for a diffuse glioma. METHODS In patients undergoing awake craniotomy between 2010 and 2017, we performed pre-operative neuropsychological assessments in five cognitive domains, with special attention for the domains executive functioning and memory. We evaluated the independent relation between these domains and survival, in a Cox proportional hazards model that included state-of-the-art integrated histomolecular ('layered' or WHO-2016) classification of the gliomas and other known prognostic factors. RESULTS We included 197 patients. Cognitive impairments (Z-values ≦ - 2.0) were most frequent in the domains memory (18.3%) and executive functioning (25.9%). Impairments in executive functioning and memory were significantly correlated with survival, even after correcting for the possible confounders. Analyses with the domains language, psychomotor speed, and visuospatial functioning yielded no significant results. Extensive domain-specific neuropsychological assessment was more strongly correlated to survival than MMSE. CONCLUSION Cognitive functioning is independently related to survival in diffuse glioma patients. Possible mechanisms underlying this relationship include the notion of cognitive functioning as a marker for diffuse infiltration of the tumor and the option that cognitive functioning and survival are determined by overlapping genetic pathways and biomarkers.
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Affiliation(s)
- Emma van Kessel
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands.
| | - Irene M C Huenges Wajer
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands.,Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands
| | - Carla Ruis
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands.,Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands
| | - Tatjana Seute
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands
| | - Susanne Fonville
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands
| | - Filip Y F L De Vos
- Department of Medical Oncology, University Medical Center Utrecht/UMC Utrecht Brain Center, Q05.4.300, PO Box 85500, 3508 XC, Utrecht, The Netherlands
| | - Joost J C Verhoeff
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands.,Department of Radiation Oncology, University Medical Center Utrecht, HP Q 00.3.11, 3508 GA, Utrecht, The Netherlands
| | - Pierre A Robe
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands
| | - Martine J E van Zandvoort
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands.,Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 1, 3584 CS, Utrecht, The Netherlands
| | - Tom J Snijders
- Department of Neurology and Neurosurgery, University Medical Center Utrecht/UMC Utrecht Brain Center, G03.232, PO Box 85500, 3508 XC, Utrecht, The Netherlands
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