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Prinsen J, Alaerts K. In the eye of the beholder: Social traits predict motor simulation during naturalistic action perception. Neuropsychologia 2024; 199:108889. [PMID: 38670526 DOI: 10.1016/j.neuropsychologia.2024.108889] [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: 09/14/2023] [Revised: 03/22/2024] [Accepted: 04/22/2024] [Indexed: 04/28/2024]
Abstract
Previous research has robustly demonstrated that eye contact between actor and observer promotes the simulation of perceived actions into the observer's own motor system, which in turn facilitates social perception and communication. The socially relevant connotation embedded in eye contact may however be different for individuals with differing social traits. Here, we examined how "normal" (i.e. non-clinical) variability in self-reported social responsiveness/autistic traits, social anxiety and interpersonal relationship style (secure, avoidant or anxious attachment) influences neural motor simulation during action observation in different gaze conditions. To do so, we analyzed an existing dataset involving 124 adult participants (age range: 18-35 years) who underwent transcranial magnetic stimulation (TMS) while observing an actor performing simple hand actions and simultaneously engaging in eye contact or gazing away from the observer. Motor evoked potential (MEP) amplitudes were adopted as an index of motor resonance. Regression-based analyses highlighted the role of social responsiveness and secure attachment in shaping motor resonance, indicating that socially responsive motor resonance during dyadic gaze (i.e., MEPdirect > MEPaverted) was only observed in participants displaying high levels of these traits. Furthermore, a clustering analysis identified two to three distinct subgroups of participants with unique social trait profiles, showing a clear differentiation in motor resonant patterns upon different gaze cues that is in accordance with a recent neurobiological framework of attachment. Together, results demonstrate that motor resonance within a given social interaction may serve as a sensitive tracker of socio-interactive engagement, which allows to capture subclinical inter-individual variation in relevant social traits.
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Affiliation(s)
- Jellina Prinsen
- Neurorehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium.
| | - Kaat Alaerts
- Neurorehabilitation Research Group, Department of Rehabilitation Sciences, KU Leuven, Leuven, Belgium
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Hauw JJ, Hausser-Hauw C, Barthélémy C. Synapse and primary cilia dysfunctions in Autism Spectrum Disorders. Avenues to normalize these functions. Rev Neurol (Paris) 2024:S0035-3787(24)00555-1. [PMID: 38925998 DOI: 10.1016/j.neurol.2024.06.002] [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: 11/15/2023] [Revised: 05/28/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024]
Abstract
AIM An update on the plasticity of the brain networks involved in autism (autism spectrum disorders [ASD]), and the increasing role of their synapses and primary non-motile cilia. METHODS Data from PubMed and Google on this subject, published until February 2024, were analyzed. RESULTS Structural and functional brain characteristics and genetic particularities involving synapses and cilia that modify neuronal circuits are observed in ASD, such as reduced pruning of dendrites, minicolumnar pathology, or persistence of connections usually doomed to disappear. Proteins involved in synapse functions (such as neuroligins and neurexins), in the postsynaptic architectural scaffolding (such as Shank proteins) or in cilia functions (such as IFT-independent kinesins) are often abnormal. There is an increase in glutaminergic transmission and a decrease in GABA inhibition. ASD may occur in genetic ciliopathies. The means of modulating these specificities, when deemed useful, are described. INTERPRETATION The wide range of clinical manifestations of ASD is strongly associated with abnormalities in the morphology, functions, and plasticity of brain networks, involving their synapses and non-motile cilia. Their modulation offers important research perspectives on treatments when needed, especially since brain plasticity persists much later than previously thought. Improved early detection of ASD and additional studies on synapses and primary cilia are needed.
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Affiliation(s)
- J-J Hauw
- Académie nationale de médecine, 16, rue Bonaparte, 75272 Paris cedex 06, France; Laboratoire de neuropathologie Raymond-Escourolle, hôpital universitaire Pitié-Salpêtrière, Paris, France.
| | | | - C Barthélémy
- Académie nationale de médecine, 16, rue Bonaparte, 75272 Paris cedex 06, France; Faculté de médecine, université de Tours, Tours, France; GIS Autisme et troubles du neurodéveloppement, Paris, France
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Jia B, Lv C, Li D, Lv W. Cerebral cortex activation and functional connectivity during low-load resistance training with blood flow restriction: An fNIRS study. PLoS One 2024; 19:e0303983. [PMID: 38781264 PMCID: PMC11115316 DOI: 10.1371/journal.pone.0303983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Accepted: 05/03/2024] [Indexed: 05/25/2024] Open
Abstract
Despite accumulating evidence that blood flow restriction (BFR) training promotes muscle hypertrophy and strength gain, the underlying neurophysiological mechanisms have rarely been explored. The primary goal of this study is to investigate characteristics of cerebral cortex activity during BFR training under different pressure intensities. 24 males participated in 30% 1RM squat exercise, changes in oxygenated hemoglobin concentration (HbO) in the primary motor cortex (M1), pre-motor cortex (PMC), supplementary motor area (SMA), and dorsolateral prefrontal cortex (DLPFC), were measured by fNIRS. The results showed that HbO increased from 0 mmHg (non-BFR) to 250 mmHg but dropped sharply under 350 mmHg pressure intensity. In addition, HbO and functional connectivity were higher in M1 and PMC-SMA than in DLPFC. Moreover, the significant interaction effect between pressure intensity and ROI for HbO revealed that the regulation of cerebral cortex during BFR training was more pronounced in M1 and PMC-SMA than in DLPFC. In conclusion, low-load resistance training with BFR triggers acute responses in the cerebral cortex, and moderate pressure intensity achieves optimal neural benefits in enhancing cortical activation. M1 and PMC-SMA play crucial roles during BFR training through activation and functional connectivity regulation.
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Affiliation(s)
- Binbin Jia
- School of Sports Training, Wuhan Sports University, Wuhan, China
- School of Physical Education, Wuhan Sports University, Wuhan, China
| | - Chennan Lv
- Center of Strength and Conditioning, Wuhan Sports University, Wuhan, China
| | - Danyang Li
- School of Sports Training, Wuhan Sports University, Wuhan, China
- School of Physical Education, Wuhan Sports University, Wuhan, China
| | - Wangang Lv
- Center of Strength and Conditioning, Wuhan Sports University, Wuhan, China
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Yuan Y, Guan L, Cao Y, Xu Y. The distinct effects of fearful and disgusting scenes on self-relevant face recognition. THE JOURNAL OF GENERAL PSYCHOLOGY 2024:1-17. [PMID: 38767464 DOI: 10.1080/00221309.2024.2349764] [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: 01/18/2024] [Accepted: 04/24/2024] [Indexed: 05/22/2024]
Abstract
Self-face recognition denotes the process by which a person can recognize their own face by distinguishing it from another's face. Although many research studies have explored the inhibition effect of negative information on self-relevant face processing, few researchers have examined whether negative scenes influence self-relevant face processing. Fearful and disgusting scenes are typical negative scenes, but little research to data has examined their discriminative effects on self-relevant face recognition. To investigate these issues, the current study explored the effect of negative scenes on self-relevant face recognition. In Study 1, 44 participants (20 men, 24 women) were asked to judge the orientation of a target face (self-face or friend-face) pictured in a negative or neutral scene, whereas 40 participants (19 men, 21 women) were asked to complete the same task in a fearful, disgusting, or neutral scene in Study 2. The results showed that negative scenes inhibited the speed of recognizing self-faces. Furthermore, the above effect of negative scenes on self-relevant face recognition occurred with fearful rather than disgusting scenes. Our findings suggest the distinct effects of fearful scenes and disgusting scenes on self-relevant face processing, which may be associated with the automatic attentional capture to negative scenes (especially fearful scenes) and the tendency to escape self-awareness.
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Affiliation(s)
- Yuan Yuan
- School of Psychology, Northeast Normal University
- Jilin Provincial Key Laboratory of Cognitive Neuroscience and Brain Development, Northeast Normal University
| | - Lili Guan
- School of Psychology, Northeast Normal University
- Jilin Provincial Key Laboratory of Cognitive Neuroscience and Brain Development, Northeast Normal University
| | - Yifei Cao
- School of Psychology, Northeast Normal University
| | - Yang Xu
- School of Psychology, Northeast Normal University
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Kausel L, Michon M, Soto-Icaza P, Aboitiz F. A multimodal interface for speech perception: the role of the left superior temporal sulcus in social cognition and autism. Cereb Cortex 2024; 34:84-93. [PMID: 38696598 DOI: 10.1093/cercor/bhae066] [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: 10/31/2023] [Revised: 01/17/2024] [Accepted: 02/03/2024] [Indexed: 05/04/2024] Open
Abstract
Multimodal integration is crucial for human interaction, in particular for social communication, which relies on integrating information from various sensory modalities. Recently a third visual pathway specialized in social perception was proposed, which includes the right superior temporal sulcus (STS) playing a key role in processing socially relevant cues and high-level social perception. Importantly, it has also recently been proposed that the left STS contributes to audiovisual integration of speech processing. In this article, we propose that brain areas along the right STS that support multimodal integration for social perception and cognition can be considered homologs to those in the left, language-dominant hemisphere, sustaining multimodal integration of speech and semantic concepts fundamental for social communication. Emphasizing the significance of the left STS in multimodal integration and associated processes such as multimodal attention to socially relevant stimuli, we underscore its potential relevance in comprehending neurodevelopmental conditions characterized by challenges in social communication such as autism spectrum disorder (ASD). Further research into this left lateral processing stream holds the promise of enhancing our understanding of social communication in both typical development and ASD, which may lead to more effective interventions that could improve the quality of life for individuals with atypical neurodevelopment.
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Affiliation(s)
- Leonie Kausel
- Centro de Estudios en Neurociencia Humana y Neuropsicología (CENHN), Facultad de Psicología, Universidad Diego Portales, Chile, Vergara 275, 8370076 Santiago, Chile
| | - Maëva Michon
- Praxiling Laboratory, Joint Research Unit (UMR 5267), Centre National de la Recherche Scientifique (CNRS), Université Paul Valéry, Montpellier, France, Route de Mende, 34199 Montpellier cedex 5, France
- Centro Interdisciplinario de Neurociencia, Pontificia Universidad Católica de Chile, Chile, Marcoleta 391, 2do piso, 8330024 Santiago, Chile
- Laboratorio de Neurociencia Cognitiva y Evolutiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Chile, Marcoleta 391, 2do piso, 8330024 Santiago, Chile
| | - Patricia Soto-Icaza
- Centro de Investigación en Complejidad Social (CICS), Facultad de Gobierno, Universidad del Desarrollo, Chile, Av. Las Condes 12461, edificio 3, piso 3, 7590943, Las Condes Santiago, Chile
| | - Francisco Aboitiz
- Centro Interdisciplinario de Neurociencia, Pontificia Universidad Católica de Chile, Chile, Marcoleta 391, 2do piso, 8330024 Santiago, Chile
- Laboratorio de Neurociencia Cognitiva y Evolutiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Chile, Marcoleta 391, 2do piso, 8330024 Santiago, Chile
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Costa-Cordella S, Soto-Icaza P, Borgeaud K, Grasso-Cladera A, Malberg NT. Towards a comprehensive approach to mentalization-based treatment for children with autism: integrating attachment, neurosciences, and mentalizing. Front Psychiatry 2023; 14:1259432. [PMID: 38098626 PMCID: PMC10719951 DOI: 10.3389/fpsyt.2023.1259432] [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: 07/17/2023] [Accepted: 11/15/2023] [Indexed: 12/17/2023] Open
Abstract
Autism spectrum disorder (ASD) is diagnosed based on socio-communicative difficulties, which are believed to result from deficits in mentalizing, mainly evidenced by alterations in recognizing and responding to the mental states of others. In recent years, efforts have been made to develop mentalization-based treatment (MBT) models for this population. These models focus on enhancing individuals' ability to understand and reflect on their own mental states, as well as those of others. However, MBT approaches for people with ASD are limited by their existing theoretical background, which lacks a strong foundation grounded in neuroscience-based evidence properly integrated with attachment, and mentalizing. These are crucial aspects for understanding psychological processes in autism, and as such, they play a pivotal role in shaping the development of tailored and effective therapeutic strategies for this specific population. In this paper we review evidence related to the neurobiological, interpersonal, and psychological dimensions of autism and their implications for mentalizing processes. We also review previous mentalization-based frameworks on the psychosis continuum to provide a comprehensive understanding of attachment, neurobiology, and mentalization domains in therapeutic approaches for autism. After presenting a synthesis of the literature, we offer a set of clinical strategies for the work with children with autism. Finally, we provide recommendations to advance the field towards more robust models that can serve as a basis for evidence-based therapeutic strategies.
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Affiliation(s)
- Stefanella Costa-Cordella
- Centro de Estudios en Psicología Clínica y Psicoterapia, Facultad de Psicología, Universidad Diego Portales, Santiago, Chile
- Centro de Estudios en Neurociencia y Neuropsicología Humana, Facultad de Psicología, Universidad Diego Portales, Santiago, Chile
- Millennium Institute for Depression and Personality Research (MIDAP), Santiago, Chile
| | - Patricia Soto-Icaza
- Laboratorio de Neurociencia Social y Neuromodulación (neuroCICS), Centro de Investigación en Complejidad Social (CICS), Facultad de Gobierno, Universidad del Desarrollo, Santiago, Chile
| | | | - Aitana Grasso-Cladera
- Centro de Estudios en Neurociencia y Neuropsicología Humana, Facultad de Psicología, Universidad Diego Portales, Santiago, Chile
- Institute of Cognitive Science, Universität Osnabrück, Osnabrück, Germany
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