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Colmant L, Bierbrauer A, Bellaali Y, Kunz L, Van Dongen J, Sleegers K, Axmacher N, Lefèvre P, Hanseeuw B. Dissociating effects of aging and genetic risk of sporadic Alzheimer's disease on path integration. Neurobiol Aging 2023; 131:170-181. [PMID: 37672944 DOI: 10.1016/j.neurobiolaging.2023.07.025] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/19/2023] [Accepted: 07/26/2023] [Indexed: 09/08/2023]
Abstract
Path integration is a spatial navigation ability that requires the integration of information derived from self-motion cues and stable landmarks, when available, to return to a previous location. Path integration declines with age and Alzheimer's disease (AD). Here, we sought to separate the effects of age and AD risk on path integration, with and without a landmark. Overall, 279 people participated, aged between 18 and 80 years old. Advanced age impaired the appropriate use of a landmark. Older participants furthermore remembered the location of the goal relative to their starting location and reproduced this initial view without considering that they had moved in the environment. This lack of adaptative behavior was not associated with AD risk. In contrast, participants at genetic risk of AD (apolipoprotein E ε4 carriers) exhibited a pure path integration deficit, corresponding to difficulty in performing path integration in the absence of a landmark. Our results show that advanced-age impacts landmark-supported path integration, and that this age effect is dissociable from the effects of AD risk impacting pure path integration.
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Affiliation(s)
- Lise Colmant
- Institute of Neuroscience, UCLouvain, Brussels, Belgium; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Institute of Information and Communication Technologies, Electronics and Applied Mathematics, UCLouvain, Louvain-la-Neuve, Belgium.
| | - Anne Bierbrauer
- Institute for Systems Neuroscience, Medical Center Hamburg-Eppendorf, Hamburg, Germany; Department of Neuropsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr University Bochum, Germany
| | | | - Lukas Kunz
- Department of Epileptology, University Hospital Bonn, Bonn, Germany
| | - Jasper Van Dongen
- VIB-Department of Molecular Genetics, University of Antwerp, Belgium
| | - Kristel Sleegers
- VIB-Department of Molecular Genetics, University of Antwerp, Belgium
| | - Nikolai Axmacher
- Department of Neuropsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr University Bochum, Germany
| | - Philippe Lefèvre
- Institute of Neuroscience, UCLouvain, Brussels, Belgium; Institute of Information and Communication Technologies, Electronics and Applied Mathematics, UCLouvain, Louvain-la-Neuve, Belgium
| | - Bernard Hanseeuw
- Institute of Neuroscience, UCLouvain, Brussels, Belgium; Cliniques Universitaires Saint-Luc, Brussels, Belgium; Gordon Center for Medical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA; WELBIO Department, WEL Research Institute, Wavre, Belgium
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Brown A, Burles F, Iaria G, Einstein G, Moscovitch M. Sex and menstrual cycle influence human spatial navigation strategies and performance. Sci Rep 2023; 13:14953. [PMID: 37696837 PMCID: PMC10495464 DOI: 10.1038/s41598-023-41153-x] [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: 04/12/2022] [Accepted: 08/22/2023] [Indexed: 09/13/2023] Open
Abstract
Which facets of human spatial navigation do sex and menstrual cycle influence? To answer this question, a cross-sectional online study of reproductive age women and men was conducted in which participants were asked to demonstrate and self-report their spatial navigation skills and strategies. Participants self-reported their sex and current menstrual phase [early follicular (EF), late follicular/periovulatory (PO), and mid/late luteal (ML)], and completed a series of questionnaires and tasks measuring self-reported navigation strategy use, topographical memory, cognitive map formation, face recognition, and path integration. We found that sex influenced self-reported use of cognitive map- and scene-based strategies, face recognition, and path integration. Menstrual phase moderated the influence of sex: compared to men, women had better face recognition and worse path integration, but only during the PO phase; PO women were also better at path integration in the presence of a landmark compared to EF + ML women and men. These findings provide evidence that human spatial navigation varies with the menstrual cycle and suggest that sensitivity of the entorhinal cortex and longitudinal axis of the hippocampus to differential hormonal effects may account for this variation.
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Affiliation(s)
- Alana Brown
- Psychology, University of Toronto, 100 St. George Street, Toronto, ON, M5S 3G3, Canada.
| | - Ford Burles
- Department of Psychology, Hotchkiss Brain Institute, and Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Giuseppe Iaria
- Department of Psychology, Hotchkiss Brain Institute, and Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, T2N 1N4, Canada
| | - Gillian Einstein
- Psychology, University of Toronto, 100 St. George Street, Toronto, ON, M5S 3G3, Canada
- Rotman Research Institute, Baycrest Academy of Research and Education, Baycrest Health Sciences, Toronto, ON, M6A 2E1, Canada
- Linköping University, 581 83, Linköping, Sweden
| | - Morris Moscovitch
- Psychology, University of Toronto, 100 St. George Street, Toronto, ON, M5S 3G3, Canada
- Rotman Research Institute, Baycrest Academy of Research and Education, Baycrest Health Sciences, Toronto, ON, M6A 2E1, Canada
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Ginkgo Biloba Extract Reduces Cardiac and Brain Inflammation in Rats Fed a HFD and Exposed to Chronic Mental Stress through NF-κB Inhibition. Mediators Inflamm 2022; 2022:2408598. [PMID: 35677735 PMCID: PMC9168192 DOI: 10.1155/2022/2408598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Accepted: 05/04/2022] [Indexed: 12/26/2022] Open
Abstract
Background Cardiac and brain inflammation can lead to a host of deleterious health effects. Our formal experimental research showed that Ginkgo Biloba Extract (GBE) contributed to the reduction of inflammation in mice with myocardial infarction along with depression. This study is aimed at expanding on these findings via analysis of the cardiac and brain inflammation, which was prevented by GBE in rats suffering with a high-fat diet (HFD) combined with unpredictable chronic mild stress (UCMS). Methods Fifty male Wistar rats were randomly divided into 5 groups treated with normal diet, UCMS, HFD, HFD+UCMS, or HFD+UCMS+GBE respectively. Rats treated with HFD were fed a high-fat diet for 10 or 13 weeks. Rats treated with UCMS were exposed to 8 types of chronic physical and psychological stressors for 10 or 13 weeks. The HFD+UCMS+GBE group was given GBE via intragastric gavage for 8 consecutive weeks. Sucrose preference was established for the assessment of depressive behaviors. The heart function was evaluated by echocardiography. The rats were terminated at the end of the 10th or 13th week. The blood was used for detecting low-density lipoprotein cholesterol (LDL-c) and total cholesterol (TCHO) by the kit instructions; Helper T Lymphocytes (TH cells, CD3+CD4+) by flow cytometry; and Interleukin- (IL-) 1β, IL-37, IL-38, NT-proBNP, hs-cTNI, and Ischemia-modified albumin (IMA) by enzyme-linked immunosorbent assay (ELISA). The cardiac tissues were used for detecting IL-1β, nuclear factor kappa B (NF-κB), inhibitor molecule protein (IκB), and IL-1 receptor (IL-1R) by ELISA and P65, P-P65, IκB, and phosphorylated inhibitor molecule protein α (P-IκBα) for western blotting. Cortex tissues were used for detecting 8-iso-prostaglandinF2α (8-iso-PGF2α) by ELISA. Oil Red staining was carried out to evaluate the lipid deposits in the rats' aortic arteries. Sirius Red staining was performed to display collagen fibers in the arteries. Hematoxylin and Eosin (HE) staining was applied to reveal pathological changes to arteries and cardiac tissue. Immunohistochemical staining was employed to assess the distribution of inflammatory cytokine IL-1β in arteries and cardiac tissues. Transmission Electron Microscopy (TEM) was performed to observe the ultrastructure of hippocampal cornu ammonis (CA)1 (CA1) neurons. Results In the rats with HFD+UCMS+GBE, over 13 weeks, GBE exerted a protective role of both the heart and brain, by attenuating cardiac inflammation and brain oxidative stress. Levels of Helper T lymphocytes and serum anti-inflammatory cytokines involving IL-37 and IL-38 were all elevated, and the depressive behaviors of HFD+UCMS rats were attenuated by GBE. This protective role was accomplished via inhibition of the canonical NF-κB signaling pathway, through downregulation of the expressions of P-P65 and P-IκB-α in the heart, hippocampus, cortex, and hypothalamus. Conclusions This study suggests that GBE poses a protective role from the various pathologies associated with high-fat diets, unpredictable chronic mild stress, and depression, possibly via improving peripheral immunity and reducing cardiac and brain inflammation.
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Taniguchi A, Fukawa A, Yamakawa H. Hippocampal formation-inspired probabilistic generative model. Neural Netw 2022; 151:317-335. [DOI: 10.1016/j.neunet.2022.04.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 03/09/2022] [Accepted: 04/03/2022] [Indexed: 11/25/2022]
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Taniguchi T, Yamakawa H, Nagai T, Doya K, Sakagami M, Suzuki M, Nakamura T, Taniguchi A. A whole brain probabilistic generative model: Toward realizing cognitive architectures for developmental robots. Neural Netw 2022; 150:293-312. [PMID: 35339010 DOI: 10.1016/j.neunet.2022.02.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 02/25/2022] [Accepted: 02/28/2022] [Indexed: 01/08/2023]
Abstract
Building a human-like integrative artificial cognitive system, that is, an artificial general intelligence (AGI), is the holy grail of the artificial intelligence (AI) field. Furthermore, a computational model that enables an artificial system to achieve cognitive development will be an excellent reference for brain and cognitive science. This paper describes an approach to develop a cognitive architecture by integrating elemental cognitive modules to enable the training of the modules as a whole. This approach is based on two ideas: (1) brain-inspired AI, learning human brain architecture to build human-level intelligence, and (2) a probabilistic generative model (PGM)-based cognitive architecture to develop a cognitive system for developmental robots by integrating PGMs. The proposed development framework is called a whole brain PGM (WB-PGM), which differs fundamentally from existing cognitive architectures in that it can learn continuously through a system based on sensory-motor information. In this paper, we describe the rationale for WB-PGM, the current status of PGM-based elemental cognitive modules, their relationship with the human brain, the approach to the integration of the cognitive modules, and future challenges. Our findings can serve as a reference for brain studies. As PGMs describe explicit informational relationships between variables, WB-PGM provides interpretable guidance from computational sciences to brain science. By providing such information, researchers in neuroscience can provide feedback to researchers in AI and robotics on what the current models lack with reference to the brain. Further, it can facilitate collaboration among researchers in neuro-cognitive sciences as well as AI and robotics.
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Affiliation(s)
| | - Hiroshi Yamakawa
- The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan; The Whole Brain Architecture Initiative, 2-19-21 Nishikoiwa , Edogawa-ku, Tokyo, Japan; RIKEN, 6-2-3 Furuedai, Suita, Osaka, Japan
| | - Takayuki Nagai
- Osaka University, 1-3 Machikane-yama, Toyonaka, Osaka, Japan
| | - Kenji Doya
- Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami, Okinawa, Japan
| | | | - Masahiro Suzuki
- The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, Japan
| | - Tomoaki Nakamura
- The University of Electro-Communications, 1-5-1 Chofugaoka, Chofu, Tokyo, Japan
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Sun HY, Wang JH, Li LJ, Liu XF, Che Y, Ma YY. Environmental cue difference and training duration modulate spatial learning and cue preference in detour task. Int J Dev Neurosci 2022; 82:159-167. [PMID: 35023591 DOI: 10.1002/jdn.10169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2021] [Revised: 12/29/2021] [Accepted: 01/06/2022] [Indexed: 11/06/2022] Open
Abstract
In this study, we investigated how different environmental cue and the proficiency of body motion influenced detour learning behaviour and cue preference in cue conflict situations. Domestic chicks were trained to detour around an obstacle and follow a fixed route to rejoin with their partners. When the environmental cue was red vs. blue vertical stripes, the chicks learned the detour task quicker, and as the number of training trials after route acquisition increased, they switched their preference from the environmental cue to a body-motion cue in the cue conflict test. On the other hand, when the environmental cue was vertical vs. horizontal blue stripes, the chicks learned the detour task slower and showed a dependence on the body-motion cue regardless of the number of training trials performed after route acquisition. When the environmental cue was removed, most chicks could still successfully detour according to the specific route on which they had been trained. Furthermore, a significant difference in detour latency was found between chicks using the environmental cue and chicks using the body-motion cue, suggesting separate neuronal circuits responsible for processing the two types of information. Our results demonstrated that young domestic chicks could use both environmental cue and body-motion cues to memorize the route during the detour learning task; however the detour route preference could be dynamically modulated by difference of the environmental cue and the number of training trials they received. Illustrated Abstract Young domestic chicks could use environmental cues and body-motion cues to memorize route in a detour learning task (a). When environmental cue was red vs. blue vertical stripes, the chicks learned the task quicker (b) and their preference on environmental cue equalled to body-motion cue in the cue conflict test. However when environmental cue was vertical vs. horizontal blue stripes, the chicks showed a preferred dependence on body-motion cue (c). Detour latency was longer for chicks using the environmental cue than chicks using the body-motion cue (d).
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Affiliation(s)
- Hua-Ying Sun
- Yunnan University of Chinese Medicine, Kunming, PR China
| | - Jian-Hong Wang
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, PR China
| | | | | | - Yi Che
- Medical College of Soochow University, Suzhou, PR China
| | - Yuan-Ye Ma
- Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, PR China
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Poitreau J, Buttet M, Manrique C, Poucet B, Sargolini F, Save E. Navigation using global or local reference frames in rats with medial and lateral entorhinal cortex lesions. Behav Brain Res 2021; 413:113448. [PMID: 34246711 DOI: 10.1016/j.bbr.2021.113448] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 06/18/2021] [Accepted: 07/06/2021] [Indexed: 11/28/2022]
Abstract
The medial (MEC) and the lateral (LEC) regions of the entorhinal cortex send a major input to the hippocampus and have been proposed to play a foremost role in combining spatial and non-spatial attributes of episodic memory. In addition, it has been recently suggested that the MEC is involved in the processing of information in a global reference frame and the LEC in the processing of information in a local reference frame. Whether these putative functions could be generalized to navigation contexts has not been established yet. To address this hypothesis, rats with MEC or LEC NMDA-induced lesions were trained in two versions of a navigation task in the water maze, a global cue condition in which they had to use distal room cues and a local cue condition in which they had to use 3 objects placed in the pool. In the global cue condition, MEC-lesioned rats exhibited slower acquisition and were not able to precisely locate the submerged platform during the probe trial. In contrast LEC-lesioned rats exhibited control-like performance. In the local cue condition, navigational abilities were spared in both lesion groups. In addition when the 3 different objects were replaced by 3 identical objects, all groups maintained their navigation accuracy suggesting that the identity of objects is not crucial for place navigation. Overall, the results indicate that the MEC is necessary for place navigation using a global reference frame. In contrast, navigation using a local reference frame does not require the LEC nor the MEC.
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Affiliation(s)
| | - Manon Buttet
- Laboratory of Cognitive Neuroscience, Marseille, France
| | | | - Bruno Poucet
- Laboratory of Cognitive Neuroscience, Marseille, France
| | | | - Etienne Save
- Laboratory of Cognitive Neuroscience, Marseille, France.
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