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Vidal JP, Rachita K, Servais A, Péran P, Pariente J, Bonneville F, Albucher JF, Danet L, Barbeau EJ. Exploring the impact of the interthalamic adhesion on human cognition: insights from healthy subjects and thalamic stroke patients. J Neurol 2024; 271:5985-5996. [PMID: 39017701 PMCID: PMC11377548 DOI: 10.1007/s00415-024-12566-z] [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: 02/28/2024] [Revised: 06/27/2024] [Accepted: 07/05/2024] [Indexed: 07/18/2024]
Abstract
The interthalamic adhesion (IA) is a structure that connects the median borders of both thalami. Its anatomical variants and functions remain poorly studied. The main objective of this study was to explore the role of the IA on cognition. 42 healthy subjects and 40 patients with chronic isolated thalamic strokes underwent a neuroimaging and a neuropsychological assessment. The presence, absence, or lesion of the IA and its anatomical variants were evaluated. 76% of participants had an IA, with a higher prevalence among women (92%) than men (61%). The presence or absence of an IA did not affect the neuropsychological performance of healthy subjects nor did the type of IA variant. Across all the tests and when compared to healthy subjects using a Bayesian rmANOVA, patients exhibiting more cognitive impairments were those without an IA (n = 10, BF10 = 10,648), while those with an IA were more preserved (n = 18, BF10 = 157). More specifically, patients without an IA performed more poorly in verbal memory or the Stroop task versus healthy subjects. This was not explained by age, laterality of the infarct, volume or localization of the lesion. Patients with a lesioned IA (n = 12) presented a similar trend to patients without an IA, which could however be explained by a greater volume of lesions. The IA does not appear to play a major role in cognition in healthy subjects, but could play a compensatory role in patients with thalamic lesions.
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Affiliation(s)
- Julie P Vidal
- CerCo (Brain and Cognition Research Center), CNRS, Paul Sabatier University, Toulouse, France.
- ToNiC (Toulouse NeuroImaging Center), INSERM, Paul Sabatier University, Toulouse, France.
| | - Kévin Rachita
- Neurology Department, Purpan Hospital, Toulouse University Hospital Center, Toulouse, France
| | - Anaïs Servais
- CerCo (Brain and Cognition Research Center), CNRS, Paul Sabatier University, Toulouse, France
| | - Patrice Péran
- ToNiC (Toulouse NeuroImaging Center), INSERM, Paul Sabatier University, Toulouse, France
| | - Jérémie Pariente
- ToNiC (Toulouse NeuroImaging Center), INSERM, Paul Sabatier University, Toulouse, France
- Neurology Department, Purpan Hospital, Toulouse University Hospital Center, Toulouse, France
| | - Fabrice Bonneville
- ToNiC (Toulouse NeuroImaging Center), INSERM, Paul Sabatier University, Toulouse, France
- Neurology Department, Purpan Hospital, Toulouse University Hospital Center, Toulouse, France
| | - Jean-François Albucher
- ToNiC (Toulouse NeuroImaging Center), INSERM, Paul Sabatier University, Toulouse, France
- Neurology Department, Purpan Hospital, Toulouse University Hospital Center, Toulouse, France
| | - Lola Danet
- ToNiC (Toulouse NeuroImaging Center), INSERM, Paul Sabatier University, Toulouse, France
- Neurology Department, Purpan Hospital, Toulouse University Hospital Center, Toulouse, France
| | - Emmanuel J Barbeau
- CerCo (Brain and Cognition Research Center), CNRS, Paul Sabatier University, Toulouse, France
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Pohl H, Neumeier MS, Gantenbein AR, Wegener S, Rosio M, Hennel F, Sandor PS, Weller M, Michels L. Circadian functional changes of pain-processing brainstem nuclei and implications for cluster headache: A 7 Tesla imaging study. Headache 2024; 64:729-737. [PMID: 38923561 DOI: 10.1111/head.14752] [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: 07/25/2023] [Revised: 04/04/2024] [Accepted: 04/07/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND Pain thresholds and primary headaches, including cluster headache attacks, have circadian rhythmicity. Thus, they might share a common neuronal mechanism. OBJECTIVE This study aimed to elucidate how the modulation of nociceptive input in the brainstem changes from noon to midnight. Insights into the mechanism of these fluctuations could allow for new hypotheses about the pathophysiology of cluster headache. METHODS This repeated measure observational study was conducted at the University Hospital Zurich from December 2019 to November 2022. Healthy adults between 18 and 85 years of age were eligible. All participants were examined at noon and midnight. We tested the pain threshold on both sides of the foreheads with quantitative sensory testing, assessed tiredness levels, and obtained high-field (7 Tesla) and high-resolution functional magnetic resonance imaging (MRI) at each visit. Functional connectivity was assessed at the two visits by performing a region-of-interest analysis. We defined nuclei in the brainstem implicated in processing nociceptive input as well as the thalamus and suprachiasmatic nucleus as the region-of-interest. RESULTS Ten people were enrolled, and seven participants were included. First, we did not find statistically significant differences between noon and midnight of A-delta-mediated pain thresholds (median mechanical pain threshold at noon: left 9.2, right 9.2; at night: left 6.5, right 6.1). Second, after correction for a false discovery rate, we found changes in the mechanical pain sensitivity to have a statistically significant effect on changes in the functional connectivity between the left parabrachial nucleus and the suprachiasmatic nucleus (T = -40.79). CONCLUSION The MRI data analysis suggested that brain stem nuclei and the hypothalamus modulate A-delta-mediated pain perception; however, these changes in pain perception did not lead to statistically significantly differing pain thresholds between noon and midnight. Hence, our findings shed doubt on our hypothesis that the physiologic circadian rhythmicity of pain thresholds could drive the circadian rhythmicity of cluster headache attacks.
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Affiliation(s)
- Heiko Pohl
- Department of Neurology, University Hospital Zurich, Clinical Neuroscience Centre, Zurich, Switzerland
| | - Maria S Neumeier
- Department of Neurology, University Hospital Zurich, Clinical Neuroscience Centre, Zurich, Switzerland
| | - Andreas R Gantenbein
- Department of Neurology, University Hospital Zurich, Clinical Neuroscience Centre, Zurich, Switzerland
- Department of Neurology and Neurorehabilitation, ZURZACH Care, Bad Zurzach, Switzerland
| | - Susanne Wegener
- Department of Neurology, University Hospital Zurich, Clinical Neuroscience Centre, Zurich, Switzerland
- Department of Neurology, University of Zurich, Zurich, Switzerland
| | - Michael Rosio
- Department of Neuroradiology, Clinical Neuroscience Center, University Hospital Zurich, Zurich, Switzerland
| | - Franciszek Hennel
- Institute for Biomedical Engineering, ETH Zurich and University of Zurich, Zurich, Switzerland
| | - Peter S Sandor
- Department of Neurology, University Hospital Zurich, Clinical Neuroscience Centre, Zurich, Switzerland
- Department of Neurology and Neurorehabilitation, ZURZACH Care, Bad Zurzach, Switzerland
| | - Michael Weller
- Department of Neurology, University Hospital Zurich, Clinical Neuroscience Centre, Zurich, Switzerland
- Department of Neurology, University of Zurich, Zurich, Switzerland
| | - Lars Michels
- Department of Neuroradiology, Clinical Neuroscience Center, University Hospital Zurich, Zurich, Switzerland
- Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology Zurich, Zurich, Switzerland
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Beger O, Alpergin BC, Zaimoglu M, Orhan O, Kılınç MC, Unal S, Eray HA, Eroglu U. Massa intermedia in adults: incidence, dimension, location and clinical importance. Surg Radiol Anat 2024; 46:137-152. [PMID: 38191743 DOI: 10.1007/s00276-023-03274-w] [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: 10/25/2023] [Accepted: 11/26/2023] [Indexed: 01/10/2024]
Abstract
PURPOSE This retrospective magnetic resonance imaging investigation aimed to obtain information related to the anatomy of the massa intermedia (MI) in an adult population. METHODS The work conducted on MRI views of 1058 (539 males and 519 females) healthy adult samples aged with 48.93 ± 17.63 years. Initially, the presence or absence of MI was noted, and then if present, its numbers and location in the third ventricle were recorded. Its horizontal (HDMI) and vertical (VDMI) diameters were measured on MRI views, while the cross-sectional area (CSAMI) was calculated using its diameters. RESULTS MI was missing in 2.6% (27 cases) of 1058 adult samples. Six subjects (0.6%) had a double MI. HDMI, VDMI and CSAMI were measured as 4.83 ± 1.01 mm, 4.86 ± 0.98 mm, and 19.11 ± 7.23 mm2, respectively. MI size did not show a significant alteration from 19 up to 49 years, but then its size distinctly decreased between 50 and 60 years. After age 60, MI dimension did not display an important change. MI was settled in the antero-superior quadrant in 929 cases (90.63% of 1025 subjects), in the postero-superior quadrant in 22 cases (2.15%), in the antero-inferior quadrant in 32 cases (3.12%), in the postero-inferior quadrant in 8 cases (0.78%), and in the central part in 34 cases (3.32%). CONCLUSIONS The size, position and incidence of MI were not affected by sex, and its position and incidence were not affected by adult age periods. In adults, MI size demonstrated a significant decrease in the middle age.
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Affiliation(s)
- Orhan Beger
- Faculty of Medicine, Department of Anatomy, Gaziantep University, Gaziantep, 27310, Turkey.
| | - Baran Can Alpergin
- Faculty of Medicine, Department of Neurosurgery, Ankara University, Ankara, Turkey
| | - Murat Zaimoglu
- Faculty of Medicine, Department of Neurosurgery, Ankara University, Ankara, Turkey
| | - Ozgur Orhan
- Faculty of Medicine, Department of Neurosurgery, Ankara University, Ankara, Turkey
| | - Mustafa Cemil Kılınç
- Çorum Erol Olçok Training and Research Hospital, Department of Neurosurgery, Hitit University, Çorum, Turkey
| | - Sena Unal
- Faculty of Medicine, Department of Radiology, Ankara University, Ankara, Turkey
| | - Halit Anil Eray
- Faculty of Medicine, Department of Neurosurgery, Ankara University, Ankara, Turkey
| | - Umit Eroglu
- Faculty of Medicine, Department of Neurosurgery, Ankara University, Ankara, Turkey
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Szczupak D, Schaeffer DJ, Tian X, Choi SH, Fang-Cheng, Iack PM, Campos VP, Mayo JP, Patsch J, Mitter C, Haboosheh A, Kwon HS, Vieira MAC, Reich DS, Jacobson S, Kasprian G, Tovar-Moll F, Lent R, Silva AC. Direct interhemispheric cortical communication via thalamic commissures: a new white matter pathway in the primate brain. Cereb Cortex 2024; 34:bhad394. [PMID: 37950874 PMCID: PMC10793074 DOI: 10.1093/cercor/bhad394] [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: 06/15/2023] [Revised: 10/02/2023] [Accepted: 10/03/2023] [Indexed: 11/13/2023] Open
Abstract
Cortical neurons of eutherian mammals project to the contralateral hemisphere, crossing the midline primarily via the corpus callosum and the anterior, posterior, and hippocampal commissures. We recently reported and named the thalamic commissures (TCs) as an additional interhemispheric axonal fiber pathway connecting the cortex to the contralateral thalamus in the rodent brain. Here, we demonstrate that TCs also exist in primates and characterize the connectivity of these pathways with high-resolution diffusion-weighted MRI, viral axonal tracing, and fMRI. We present evidence of TCs in both New World (Callithrix jacchus and Cebus apella) and Old World primates (Macaca mulatta). Further, like rodents, we show that the TCs in primates develop during the embryonic period, forming anatomical and functionally active connections of the cortex with the contralateral thalamus. We also searched for TCs in the human brain, showing their presence in humans with brain malformations, although we could not identify TCs in healthy subjects. These results pose the TCs as a vital fiber pathway in the primate brain, allowing for more robust interhemispheric connectivity and synchrony and serving as an alternative commissural route in developmental brain malformations.
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Affiliation(s)
- Diego Szczupak
- University of Pittsburgh Brain Institute, Department of Neurobiology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, PA 15261, USA
| | - David J Schaeffer
- University of Pittsburgh Brain Institute, Department of Neurobiology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, PA 15261, USA
| | - Xiaoguang Tian
- University of Pittsburgh Brain Institute, Department of Neurobiology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, PA 15261, USA
| | - Sang-Ho Choi
- University of Pittsburgh Brain Institute, Department of Neurobiology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, PA 15261, USA
| | - Fang-Cheng
- Department of Neurological Surgery, University of Pittsburgh, 200 Lothrop Street, Pittsburgh, PA 15261, USA
| | - Pamela Meneses Iack
- Biomedical Sciences Institute, Federal University of Rio de Janeiro, 373 Carlos Chagas Filho Avenue, Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
| | - Vinicius P Campos
- Department of Electrical and Computer Engineering, 400 Trabalhador São-Carlense Avenue, University of São Paulo, São Carlos, SP 13565-905, Brazil
| | - J Patrick Mayo
- Department of Ophthalmology, University of Pittsburgh, 1622 Locust Street, Pittsburgh, PA 15261, USA
| | - Janina Patsch
- Department of Biomedical Imaging and Image-Guided Therapy of the Medical University of Vienna, 18-20 Währinger Gürtel, 1090, Vienna, Austria
| | - Christian Mitter
- Department of Biomedical Imaging and Image-Guided Therapy of the Medical University of Vienna, 18-20 Währinger Gürtel, 1090, Vienna, Austria
| | - Amit Haboosheh
- Department of Radiology Hadassah Ein Karem Hospital, Kalman Ya'akov Man St, Jerusalem 9112001, Israel
| | - Ha Seung Kwon
- University of Pittsburgh Brain Institute, Department of Neurobiology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, PA 15261, USA
| | - Marcelo A C Vieira
- Department of Electrical and Computer Engineering, 400 Trabalhador São-Carlense Avenue, University of São Paulo, São Carlos, SP 13565-905, Brazil
| | - Daniel S Reich
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Bethesda, MD 20814, USA
| | - Steve Jacobson
- National Institute of Neurological Disorders and Stroke, National Institutes of Health, 10 Center Drive, Bethesda, MD 20814, USA
| | - Gregor Kasprian
- Department of Biomedical Imaging and Image-Guided Therapy of the Medical University of Vienna, 18-20 Währinger Gürtel, 1090, Vienna, Austria
| | - Fernanda Tovar-Moll
- D’Or Institute of Research and Education, 30 Rua Diniz Cordeiro Street, Rio de Janeiro, Rio de Janeiro 22281-100, Brazil
| | - Roberto Lent
- Biomedical Sciences Institute, Federal University of Rio de Janeiro, 373 Carlos Chagas Filho Avenue, Rio de Janeiro, Rio de Janeiro 21941-853, Brazil
- D’Or Institute of Research and Education, 30 Rua Diniz Cordeiro Street, Rio de Janeiro, Rio de Janeiro 22281-100, Brazil
| | - Afonso C Silva
- University of Pittsburgh Brain Institute, Department of Neurobiology, University of Pittsburgh, 3501 Fifth Avenue, Pittsburgh, PA 15261, USA
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Tan JK, Cheong XK, Khoo CS, Nair N, Tangaperumal A. Massa intermedia: an innocent bystander? Acta Neurol Belg 2023; 123:2341-2343. [PMID: 37432611 DOI: 10.1007/s13760-023-02330-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 06/29/2023] [Indexed: 07/12/2023]
Affiliation(s)
- J K Tan
- Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Bangi, Malaysia.
- Hospital Canselor Tuanku Muhriz, Jalan Yaacob Latif, Bandar Tun Razak, Kuala Lumpur, Malaysia.
| | - X K Cheong
- Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Bangi, Malaysia
- Hospital Canselor Tuanku Muhriz, Jalan Yaacob Latif, Bandar Tun Razak, Kuala Lumpur, Malaysia
| | - C S Khoo
- Department of Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Bangi, Malaysia
- Hospital Canselor Tuanku Muhriz, Jalan Yaacob Latif, Bandar Tun Razak, Kuala Lumpur, Malaysia
| | - N Nair
- Radiology Unit, Hospital Serdang, Kajang, Selangor, Malaysia
| | - A Tangaperumal
- Radiology Unit, Hospital Serdang, Kajang, Selangor, Malaysia
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Asghar A, Narayan RK, Kumar P, Ravi KS, Tubbs RS, Patra A, Naaz S. Absence of the interthalamic adhesion (ITA) as a neuroanatomical association or risk factor for neuropsychiatric disorders: A systemic review and meta-analysis. Indian J Psychiatry 2023; 65:985-994. [PMID: 38108053 PMCID: PMC10725209 DOI: 10.4103/indianjpsychiatry.indianjpsychiatry_744_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 07/11/2023] [Accepted: 09/22/2023] [Indexed: 12/19/2023] Open
Abstract
Background This study aimed to provide an up-to-date account of the frequency of "the absence of interthalamic adhesion (AITA) as a risk factor or association" in healthy subjects and neuropsychiatric patients. Owing to the increased interest in the contribution of ITA to neurological function in previous literature, a meta-analysis of its frequency and sex dependency is required. Aim This study aimed to study whether the AITA is associated with neuropsychiatric disorders. Settings and Design This study is a meta-analysis and systemic review. Methods and Material Literature searches were conducted in PubMed, Web of Science, and Google Scholar using the keywords "interthalamic adhesion," "massa intermedia," "adhesio interthalamica," and "adhesion" along with the Boolean operators (OR, AND, and NOT). Three reviewers independently assessed the abstracts and full texts for validation based on the inclusion criteria. The meta-analysis was performed using Microsoft Excel 2019 for descriptive studies and RevMan 5.2 for comparative studies. Results The incidence of absent ITA was 15.3% in healthy subjects and 28.76% in neuropsychiatric subjects. The relative probability of AITA was 2.30 [95% confidence interval (CI), 1.96-2.70] in neuropsychiatric illness. Healthy men were 1.91 times more likely, and men with neuropsychiatric disorders were 1.82 times more likely to have absent ITA than women. Conclusions and Relevance In this study, a consistent association of AITA with psychiatric disorders was observed, rendering the condition to be treated as an associated risk factor affecting the function of the habenula nuclear complex via the stria medullaris thalami. A cohort or longitudinal study is needed to compare the incidence of psychiatric disorders in individuals with or without ITA and to calculate the attributed risk.
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Affiliation(s)
- Adil Asghar
- Department of Anatomy, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Ravi K. Narayan
- Department of Anatomy, ESIC Medical College and Hospital, Bihta, Patna, Bihar, India
| | - Pankaj Kumar
- Department of Psychiatry, All India Institute of Medical Sciences, Patna, Bihar, India
| | - Kumar S. Ravi
- Department of Anatomy, All India Institute of Medical Sciences, Rishikesh, Uttarakhand, India
| | - R. Shane Tubbs
- Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, Louisiana, USA
- Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, Louisiana, USA
- Department of Neurosurgery, Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, Louisiana, USA
- Department of Structural and Cellular Biology, Tulane University School of Medicine, New Orleans, Louisiana, USA
- Department of Anatomical Sciences, St. George's University School of Medicine, St. George's, Grenada
| | - Apurba Patra
- Department of Anatomy, All India Institute of Medical Sciences, Bathinda, Punjab, India
| | - Shagufta Naaz
- Department of Anaesthesiology, All India Institute of Medical Sciences, Patna, Bihar, India
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