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Glass D, Yuill N. Social motor synchrony in autism spectrum conditions: A systematic review. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2024; 28:1638-1653. [PMID: 38014541 PMCID: PMC11193327 DOI: 10.1177/13623613231213295] [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] [Indexed: 11/29/2023]
Abstract
LAY ABSTRACT When two people interact, they often fall into sync with one another by moving their bodies at the same time. Some say autistic people are not as good as non-autistic people at moving at the same time as a partner. This has led some researchers to ask whether measuring synchrony might help diagnose autism. We reviewed the research so far to look at differences in Social Motor Synchrony (SMS) (the way we move together) between autistic people and people they interact with. The research suggests that interactions involving an autistic partner (either two autistic partners, or an autistic and non-autistic partner) show lower synchrony than a non-autistic pair. However, we recognised elements in the research so far that may have affected SMS in interactions involving an autistic person. One way SMS may have been affected in research so far might be the way interactions have been set up in the research studies. Few papers studied interactions between two autistic people or looked at synchrony in comfortable environments with autistic-preferred tasks. The studies also do not explain why synchrony might be different, or weaker, in pairs involving autistic partners. We use these limitations to suggest improvements for future research.
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Yheskel M, Hatch HM, Pedrosa E, Terry BK, Siebels A, Zheng X, Blok LR, Fencková M, Sidoli S, Schenck A, Zheng D, Lachman H, Secombe J. KDM5-mediated transcriptional activation of ribosomal protein genes alters translation efficiency to regulate mitochondrial metabolism in neurons. Nucleic Acids Res 2024; 52:6201-6219. [PMID: 38597673 PMCID: PMC11194071 DOI: 10.1093/nar/gkae261] [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: 11/09/2023] [Revised: 03/20/2024] [Accepted: 03/31/2024] [Indexed: 04/11/2024] Open
Abstract
Genes encoding the KDM5 family of transcriptional regulators are disrupted in individuals with intellectual disability (ID). To understand the link between KDM5 and ID, we characterized five Drosophila strains harboring missense alleles analogous to those observed in patients. These alleles disrupted neuroanatomical development, cognition and other behaviors, and displayed a transcriptional signature characterized by the downregulation of many ribosomal protein genes. A similar transcriptional profile was observed in KDM5C knockout iPSC-induced human glutamatergic neurons, suggesting an evolutionarily conserved role for KDM5 proteins in regulating this class of gene. In Drosophila, reducing KDM5 changed neuronal ribosome composition, lowered the translation efficiency of mRNAs required for mitochondrial function, and altered mitochondrial metabolism. These data highlight the cellular consequences of altered KDM5-regulated transcriptional programs that could contribute to cognitive and behavioral phenotypes. Moreover, they suggest that KDM5 may be part of a broader network of proteins that influence cognition by regulating protein synthesis.
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Affiliation(s)
- Matanel Yheskel
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Hayden A M Hatch
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Erika Pedrosa
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Bethany K Terry
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Aubrey A Siebels
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Xiang Yu Zheng
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Laura E R Blok
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525 Nijmegen, GA, The Netherlands
| | - Michaela Fencková
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525 Nijmegen, GA, The Netherlands
- Department of Molecular Biology and Genetics, Faculty of Science, University of South Bohemia, Ceske Budejovice 370 05, Czechia
| | - Simone Sidoli
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Annette Schenck
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, 6525 Nijmegen, GA, The Netherlands
| | - Deyou Zheng
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Department of Neurology, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY 10461, USA
| | - Herbert M Lachman
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Department of Medicine, Albert Einstein College of Medicine, 1300 Morris Park Ave., Bronx, NY 10461, USA
| | - Julie Secombe
- Department of Genetics, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, Bronx, NY 10461, USA
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3
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Dwyer P, Sillas A, Prieto M, Camp E, Nordahl CW, Rivera SM. Hyper-focus, sticky attention, and springy attention in young autistic children: Associations with sensory behaviors and cognitive ability. Autism Res 2024. [PMID: 38840328 DOI: 10.1002/aur.3174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 05/20/2024] [Indexed: 06/07/2024]
Abstract
The autistic-developed monotropism account suggests that atypical, domain-general attentional hyper-focus on interests is a central aspect of autism, but domain-general attention differences in autism can manifest differently. Prior research suggests autistic children are often slow to disengage attention from stimuli-a pattern often called "sticky attention"-and that they can show reduced novelty preference. These attentional patterns could influence sensory experiences and learning. We used eye-tracking to investigate novelty preference and "sticky attention" in young autistic children; we also examined whether attentional patterns were related to cognitive abilities and caregiver-reported sensory responsiveness. A total of 46 autistic and 28 nonautistic participants, aged between 2 and 4 years, provided usable data. We found no evidence that autistic children exhibited greater "sticky attention" than nonautistics, but "sticky attention" in autism was associated with more caregiver-reported sensory hyper-responsiveness, seeking/interests, and enhanced perception. Autistic children also nonsignificantly trended toward exhibiting reduced novelty preference. Unexpectedly, the time-course of this trending novelty preference difference implied it was not driven by reduced orienting to novelty, but increased returning to already-familiarized stimuli: what we call "springy attention." Exploratory analyses of data from the attentional disengagement task suggest autistic participants may have exhibited greater "springy attention," though further research with paradigms optimized for measuring this construct should confirm this. Importantly, "springy attention" was robustly related to reduced cognitive abilities and greater caregiver-reported hypo-responsiveness. Thus, this study illuminates two distinct domain-general attentional patterns, each with distinct correlates in young autistic children, which could have important implications for understanding autistic children's learning, development, and experiences.
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Affiliation(s)
- Patrick Dwyer
- Center for Mind and Brain, University of California, Davis, Davis, California, USA
- Department of Psychology, University of California, Davis, Davis, California, USA
- MIND Institute, UC Davis Health, Sacramento, California, USA
- Olga Tennison Autism Research Centre, School of Psychology and Public Health, La Trobe University, Bundoora, Victoria, Australia
| | - Andre Sillas
- Center for Mind and Brain, University of California, Davis, Davis, California, USA
| | - Melanie Prieto
- Center for Mind and Brain, University of California, Davis, Davis, California, USA
- Department of Psychology, University of California, Santa Cruz, California, USA
| | - Emily Camp
- Center for Mind and Brain, University of California, Davis, Davis, California, USA
- Department of Psychology, University of California, Davis, Davis, California, USA
| | - Christine Wu Nordahl
- MIND Institute, UC Davis Health, Sacramento, California, USA
- Department of Psychiatry and Behavioral Sciences, UC Davis Health, Sacramento, CA, USA
| | - Susan M Rivera
- Center for Mind and Brain, University of California, Davis, Davis, California, USA
- Department of Psychology, University of California, Davis, Davis, California, USA
- MIND Institute, UC Davis Health, Sacramento, California, USA
- Department of Psychology, University of Maryland, College Park, Maryland, USA
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4
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Bettoni R, Cantiani C, Riboldi EM, Molteni M, Bulf H, Riva V. Visual statistical learning in preverbal infants at a higher likelihood of autism and its association with later social communication skills. PLoS One 2024; 19:e0300274. [PMID: 38748641 PMCID: PMC11095754 DOI: 10.1371/journal.pone.0300274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Accepted: 02/25/2024] [Indexed: 05/19/2024] Open
Abstract
Visual statistical Learning (SL) allows infants to extract the statistical relationships embedded in a sequence of elements. SL plays a crucial role in language and communication competencies and has been found to be impacted in Autism Spectrum Disorder (ASD). This study aims to investigate visual SL in infants at higher likelihood of developing ASD (HL-ASD) and its predictive value on autistic-related traits at 24-36 months. At 6 months of age, SL was tested using a visual habituation task in HL-ASD and neurotypical (NT) infants. All infants were habituated to a visual sequence of shapes containing statistically predictable patterns. In the test phase, infants viewed the statistically structured, familiar sequence in alternation with a novel sequence that did not contain any statistical information. HL-ASD infants were then evaluated at 24-36 months to investigate the associations between visual SL and ASD-related traits. Our results showed that NT infants were able to learn the statistical structure embedded in the visual sequences, while HL-ASD infants showed different learning patterns. A regression analysis revealed that SL ability in 6-month-old HL-ASD infants was related to social communication and interaction abilities at 24-36 months of age. These findings indicate that early differences in learning visual statistical patterns might contribute to later social communication skills.
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Affiliation(s)
- Roberta Bettoni
- Department of Psychology, University of Milano-Bicocca, Milan, Italy
| | - Chiara Cantiani
- Scientific Institute, IRCCS E. Medea, Child Psychopathology Unit, Bosisio Parini, Lecco, Italy
| | - Elena Maria Riboldi
- Scientific Institute, IRCCS E. Medea, Child Psychopathology Unit, Bosisio Parini, Lecco, Italy
| | - Massimo Molteni
- Scientific Institute, IRCCS E. Medea, Child Psychopathology Unit, Bosisio Parini, Lecco, Italy
| | - Hermann Bulf
- Department of Psychology, University of Milano-Bicocca, Milan, Italy
| | - Valentina Riva
- Scientific Institute, IRCCS E. Medea, Child Psychopathology Unit, Bosisio Parini, Lecco, Italy
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Hocking DR, Sun X, Haebich K, Darke H, North KN, Vivanti G, Payne JM. Delineating Visual Habituation Profiles in Preschoolers with Neurofibromatosis Type 1 and Autism Spectrum Disorder: A Cross-Syndrome Study. J Autism Dev Disord 2024; 54:1998-2011. [PMID: 36877426 DOI: 10.1007/s10803-023-05913-y] [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] [Accepted: 01/21/2023] [Indexed: 03/07/2023]
Abstract
Atypical habituation to repetitive information has been commonly reported in Autism Spectrum Disorder (ASD) but it is not yet clear whether similar abnormalities are present in Neurofibromatosis Type 1 (NF1). We employed a cross-syndrome design using a novel eye tracking paradigm to measure habituation in preschoolers with NF1, children with idiopathic ASD and typically developing (TD) children. Eye movements were recorded to examine fixation duration to simultaneously presented repeating and novel stimuli. Children with NF1 showed a bias for longer look durations to repeating stimuli at the expense of novel stimuli, and slower habituation in NF1 was associated with elevated ASD traits. These findings could indicate aberrant modulation of bottom-up attentional networks that interact with the emergence of ASD phenotypes.
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Affiliation(s)
- Darren R Hocking
- School of Psychology and Public Health, La Trobe University, Melbourne, Australia.
| | - Xiaoyun Sun
- School of Psychology and Public Health, La Trobe University, Melbourne, Australia
| | - Kristina Haebich
- Murdoch Children's Research Institute, Parkville, Australia
- Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Hayley Darke
- Murdoch Children's Research Institute, Parkville, Australia
| | - Kathryn N North
- Murdoch Children's Research Institute, Parkville, Australia
- Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
| | - Giacomo Vivanti
- A.J. Drexel Autism Institute, Drexel University, 3020 Market Street, Suite 560, 19104-3734, Philadelphia, PA, USA
| | - Jonathan M Payne
- Murdoch Children's Research Institute, Parkville, Australia
- Department of Paediatrics, University of Melbourne, Parkville, VIC, Australia
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6
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Sah S, Keable R, Pfundstein G, Clemens KJ, Begg D, Schachner M, Leshchyns'ka I, Sytnyk V. Deficiency in the neural cell adhesion molecule 2 (NCAM2) reduces axonal levels of beta-site amyloid precursor protein cleaving enzyme 1 (BACE1), affects axonal organization in the hippocampus, and leads to behavioral deficits. Cereb Cortex 2023; 33:10047-10065. [PMID: 37522285 DOI: 10.1093/cercor/bhad264] [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: 01/19/2023] [Revised: 06/25/2023] [Accepted: 01/26/2023] [Indexed: 08/01/2023] Open
Abstract
The neural cell adhesion molecule 2 (NCAM2) regulates axonal organization in the central nervous system via mechanisms that have remained poorly understood. We now show that NCAM2 increases axonal levels of beta-site amyloid precursor protein cleaving enzyme 1 (BACE1), a protease that regulates axonal guidance. In brains of NCAM2-deficient mice, BACE1 levels are reduced in hippocampal mossy fiber projections, and the infrapyramidal bundle of these projections is shortened. This abnormal axonal organization correlates with impaired short-term spatial memory and cognitive flexibility in NCAM2-deficient male and female mice. Self-grooming, rearing, digging and olfactory acuity are increased in NCAM2-deficient male mice, when compared with littermate wild-type mice of the same sex. NCAM2-deficient female mice also show increased self-grooming, but are reduced in rearing, and do not differ from female wild-type mice in olfactory acuity and digging behavior. Our results indicate that errors in axonal guidance and organization caused by impaired BACE1 function can underlie the manifestation of neurodevelopmental disorders, including autism as found in humans with deletions of the NCAM2 gene.
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Affiliation(s)
- Saroj Sah
- School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Ryan Keable
- School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Grant Pfundstein
- School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Kelly J Clemens
- School of Psychology, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Denovan Begg
- School of Psychology, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Melitta Schachner
- Keck Center for Collaborative Neuroscience and Department of Cell Biology and Neuroscience, Rutgers University, Piscataway, NJ 08554, United States
| | - Iryna Leshchyns'ka
- School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
| | - Vladimir Sytnyk
- School of Biotechnology and Biomolecular Sciences, The University of New South Wales, Sydney, NSW 2052, Australia
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7
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Petitpierre G, Dind J, De Blasio C. Olfactive short-term habituation in children and young people with profound intellectual and multiple disabilities. RESEARCH IN DEVELOPMENTAL DISABILITIES 2023; 140:104569. [PMID: 37473626 DOI: 10.1016/j.ridd.2023.104569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 06/21/2023] [Accepted: 07/04/2023] [Indexed: 07/22/2023]
Abstract
BACKGROUND Despite its importance for learning, the existence of the habituation process and its characteristics in people with profound intellectual and multiple disabilities (PIMD) remains understudied. Habituation is, however, considered the simplest form of learning, and a significant neuroadaptive mechanism. Even though habituation occurs in all sensory modalities, the olfactory system is where it manifests itself very visibly. AIM This study explores the olfactory short-term habituation abilities of children and young people with PIMD. METHOD Twenty children and young people with PIMD (7-18 years) were presented six times successively with a 30-second habituating olfactory stimulus. The interstimulus interval was 15 s. A new odour was presented on the seventh trial. The scenario was carried out two times with two pairs of stimuli. The participants' head alignment duration on the odour was measured. RESULTS Seventeen participants out of 20 manifested a decline in response, which reached about 50 % between the first and sixth presentation of the habituation odour. All habituators also showed a distinctive response when exposed to a novel odour. The participants who did not habituate showed a strong, non-fluctuating response to the stimulus throughout the presentations. Three participants only habituated to one of the two habituation stimuli. CONCLUSION AND IMPLICATIONS The results raise theoretical, scientific, and practical issues. They question the factors explaining olfactory habituation mechanisms, namely the stimulus properties and the severity of impairment, reveal the need for points of comparison for interpreting this population's responses, and point to the consequences of stimuli repetition and or variety in therapeutic or educational settings for these individuals' learning and cognitive functioning.
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Affiliation(s)
- Geneviève Petitpierre
- Université de Fribourg, Département de Pédagogie spécialisée, R. St Pierre Canisius 21, Fribourg CH-1700, Switzerland.
| | - Juliane Dind
- Université de Fribourg, Département de Pédagogie spécialisée, R. St Pierre Canisius 21, Fribourg CH-1700, Switzerland
| | - Catherine De Blasio
- Université de Fribourg, Département de Pédagogie spécialisée, R. St Pierre Canisius 21, Fribourg CH-1700, Switzerland
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8
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Glass D, Yuill N. Moving Together: Social Motor Synchrony in Autistic Peer Partners Depends on Partner and Activity Type. J Autism Dev Disord 2023:10.1007/s10803-023-05917-8. [PMID: 37310543 DOI: 10.1007/s10803-023-05917-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/28/2023] [Indexed: 06/14/2023]
Abstract
Some suggest autistic people display impaired Interpersonal Synchrony. However, partners of different neurotypes can struggle to connect and empathise with one another. We used Motion Energy Analysis to examine Social Motor Synchrony (SMS) in familiar partners of the same neurotype: pairs of autistic and of neurotypical children. Partners played two shared tablet activities, one to support collaboration by facilitating engagement and other-awareness (Connect), and one with no additional design features to facilitate collaboration (Colours). The neurotypical group showed similar SMS to the autistic group in Colours but lower SMS in Connect. The autistic group displayed similar levels of SMS in each activity. Autistic children can synchronise to a similar, or greater, degree than neurotypical children when the social context and type of task are considered.
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Affiliation(s)
- Devyn Glass
- University of Sussex, Brighton, BN1 9QJ, England, UK.
| | - Nicola Yuill
- University of Sussex, Brighton, BN1 9QJ, England, UK
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Podgorac J, Sekulić S, Petković B, Stojadinović G, Martać L, Pešić V. The influence of continuous prenatal exposure to valproic acid on physical, nociceptive, emotional and psychomotor responses during adolescence in mice: Dose-related effects within sexes. Front Behav Neurosci 2022; 16:982811. [PMID: 36248030 PMCID: PMC9557044 DOI: 10.3389/fnbeh.2022.982811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/31/2022] [Indexed: 11/23/2022] Open
Abstract
Clinical findings show that the use of valproic acid (VPA) during pregnancy increases the risk of birth defects and autism spectrum disorder in offspring. Although there is a consensus that monitoring of potential long-term outcomes of VPA exposure is needed, especially in undiagnosed individuals, preclinical studies addressing this issue are rare. The present study examined the effects of continuous intrauterine exposure to a wide dose range of VPA (50, 100, 200, and 400 mg/kg/day) on the physical and behavioral response in peripubertal mice as a rodent model of adolescence. Body weight and the hot plate test [on postnatal days (PND) 25 and 32], the elevated plus-maze test (on PND35), and the open field test (on PND40) served to examine physical growth, the supraspinal reflex response to a painful thermal stimulus and conditional learning, anxiety-like/risk-assessment behavior, as well as novelty-induced psychomotor activity, respectively. VPA exposure produced the following responses: (i) a negative effect on body weight, except for the dose of 100 mg/kg/day in both sexes; (ii) an increase in the percentage of animals that responded to the thermal stimulus above the defined cut-off time interval and the response latency in both sexes; (iii) dose-specific changes within sexes in behavior provoked by a novel anxiogenic environment, i.e., in females less anxiety-like/risk-assessment behavior in response to the lowest exposure dose, and in males more pronounced anxiety-like/risk-assessment behavior after exposure to the highest dose and 100 mg/kg/day; (iv) dose-specific changes within sexes in novelty-induced psychomotor activity, i.e., in females a decrease in stereotypy-like activity along with an increase in rearing, and in males a decrease in stereotypy-like activity only. These findings show that continuous intrauterine exposure to VPA produces maladaptive functioning in different behavioral domains in adolescence and that the consequences are delicate to assess as they are dose-related within sexes.
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Affiliation(s)
- Jelena Podgorac
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković” – National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Slobodan Sekulić
- Faculty of Medicine Novi Sad, University of Novi Sad, Novi Sad, Serbia
- Department of Neurology, Clinical Center of Vojvodina, Novi Sad, Serbia
| | - Branka Petković
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković” – National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Gordana Stojadinović
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković” – National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Ljiljana Martać
- Department of Neurophysiology, Institute for Biological Research “Siniša Stanković” – National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Vesna Pešić
- Department of Neurobiology, Institute for Biological Research “Siniša Stanković” – National Institute of the Republic of Serbia, University of Belgrade, Belgrade, Serbia
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10
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Blok LER, Boon M, van Reijmersdal B, Höffler KD, Fenckova M, Schenck A. Genetics, molecular control and clinical relevance of habituation learning. Neurosci Biobehav Rev 2022; 143:104883. [PMID: 36152842 DOI: 10.1016/j.neubiorev.2022.104883] [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: 04/22/2022] [Revised: 08/08/2022] [Accepted: 08/30/2022] [Indexed: 11/29/2022]
Abstract
Habituation is the most fundamental form of learning. As a firewall that protects our brain from sensory overload, it is indispensable for cognitive processes. Studies in humans and animal models provide increasing evidence that habituation is affected in autism and related monogenic neurodevelopmental disorders (NDDs). An integrated application of habituation assessment in NDDs and their animal models has unexploited potential for neuroscience and medical care. With the aim to gain mechanistic insights, we systematically retrieved genes that have been demonstrated in the literature to underlie habituation. We identified 258 evolutionarily conserved genes across species, describe the biological processes they converge on, and highlight regulatory pathways and drugs that may alleviate habituation deficits. We also summarize current habituation paradigms and extract the most decisive arguments that support the crucial role of habituation for cognition in health and disease. We conclude that habituation is a conserved, quantitative, cognition- and disease-relevant process that can connect preclinical and clinical work, and hence is a powerful tool to advance research, diagnostics, and treatment of NDDs.
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Affiliation(s)
- Laura Elisabeth Rosalie Blok
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525GA, Nijmegen, the Netherlands.
| | - Marina Boon
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525GA, Nijmegen, the Netherlands.
| | - Boyd van Reijmersdal
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525GA, Nijmegen, the Netherlands.
| | - Kira Daniela Höffler
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525GA, Nijmegen, the Netherlands.
| | - Michaela Fenckova
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525GA, Nijmegen, the Netherlands; Department of Molecular Biology and Genetics, Faculty of Science, University of South Bohemia in Ceske Budejovice, Branisovska 31, 37005, Ceske Budejovice, Czech Republic.
| | - Annette Schenck
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Geert Grooteplein Zuid 10, 6525GA, Nijmegen, the Netherlands.
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11
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López-Arango G, Deguire F, Agbogba K, Boucher MA, Knoth IS, El-Jalbout R, Côté V, Damphousse A, Kadoury S, Lippé S. Impact of brain overgrowth on sensorial learning processing during the first year of life. Front Hum Neurosci 2022; 16:928543. [PMID: 35927999 PMCID: PMC9344916 DOI: 10.3389/fnhum.2022.928543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
Macrocephaly is present in about 2–5% of the general population. It can be found as an isolated benign trait or as part of a syndromic condition. Brain overgrowth has been associated with neurodevelopmental disorders such as autism during the first year of life, however, evidence remains inconclusive. Furthermore, most of the studies have involved pathological or high-risk populations, but little is known about the effects of brain overgrowth on neurodevelopment in otherwise neurotypical infants. We investigated the impact of brain overgrowth on basic perceptual learning processes (repetition effects and change detection response) during the first year of life. We recorded high density electroencephalograms (EEG) in 116 full-term healthy infants aged between 3 and 11 months, 35 macrocephalic (14 girls) and 81 normocephalic (39 girls) classified according to the WHO head circumference norms. We used an adapted oddball paradigm, time-frequency analyses, and auditory event-related brain potentials (ERPs) to investigate differences between groups. We show that brain overgrowth has a significant impact on repetition effects and change detection response in the 10–20 Hz frequency band, and in N450 latency, suggesting that these correlates of sensorial learning processes are sensitive to brain overgrowth during the first year of life.
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Affiliation(s)
- Gabriela López-Arango
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
- Department of Neurosciences, Montreal University, Montreal, QC, Canada
- *Correspondence: Gabriela López-Arango,
| | - Florence Deguire
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
- Department of Psychology, Montreal University, Montreal, QC, Canada
| | - Kristian Agbogba
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
- Polytechnique Montreal, Montreal, QC, Canada
| | | | - Inga S. Knoth
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
| | - Ramy El-Jalbout
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
- Department of Medical Imaging, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
| | - Valérie Côté
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
| | - Amélie Damphousse
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
- Department of Medical Imaging, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
| | | | - Sarah Lippé
- Research Center, Sainte-Justine Hospital, Montreal University, Montreal, QC, Canada
- Department of Psychology, Montreal University, Montreal, QC, Canada
- Sarah Lippé,
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12
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Equivalent own name bias in autism: An EEG study of the Attentional Blink. COGNITIVE, AFFECTIVE, & BEHAVIORAL NEUROSCIENCE 2022; 22:625-639. [PMID: 34762235 PMCID: PMC9090867 DOI: 10.3758/s13415-021-00967-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 10/18/2021] [Indexed: 11/08/2022]
Abstract
AbstractThe “Attentional Blink” refers to difficulty in detecting the second of two target stimuli presented in rapid temporal succession. Studies have shown that salient target stimuli, such as one’s own name, reduce the magnitude of this effect. Given indications that self-related processing is altered in autism, it is an open question whether this attentional self-bias is reduced in autism. To investigate this, in the current study we utilised an Attentional Blink paradigm involving one’s own and others’ names, in a group of 24 autistic adults, and 22 neurotypical adults, while measuring EEG. In line with previous studies, the Attentional Blink was reduced when the participant’s own name was the second target, with no differences between autistic and neurotypical participants. ERP results show that the effect on the Attentional Blink of one’s own name was reflected in increased N2 and P3 amplitudes, for both autistic and nonautistic individuals. This is the first event-related potential study of own-name processing in the context of the Attentional Blink. The results provide evidence of an intact attentional self-bias in autism, both at the behavioural and neural level.
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13
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Lassen J, Oranje B, Vestergaard M, Foldager M, Kjaer TW, Arnfred S, Aggernaes B. Reduced mismatch negativity in children and adolescents with autism spectrum disorder is associated with their impaired adaptive functioning. Autism Res 2022; 15:1469-1481. [PMID: 35545929 PMCID: PMC9546157 DOI: 10.1002/aur.2738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 04/25/2022] [Indexed: 11/10/2022]
Abstract
Children and adolescents on the autism spectrum display sensory disturbances, rigid and repetitive behavior, social communication problems and a high prevalence of impaired adaptive functioning. Autism is associated with slowed behavioral and neural habituation to repeated sensory input and decreased responses to sensory deviations. Mismatch negativity (MMN) reflects a pre‐attentive difference in the neural response to sensory deviations relative to regularities and studies overall suggest that children and adolescents with autism tend to have smaller MMN. However, it remains unclear whether reduced MMN in autism is coupled to severity of specific autistic symptoms or more generally to lower level of adaptive functioning. To address these questions, the present study used electroencephalography (EEG) to assess whether auditory MMN in 59 children and adolescents with autism aged 7–14 years compared to 59 typically developing children and adolescents were related to specific autistic symptoms or level in adaptive functioning. As hypothesized, the autism group had a lower MMN amplitude than controls. Smaller MMN amplitudes were specifically associated with lower adaptive functioning in the autistic subjects but not in controls while no apparent relationships were observed with autistic‐like social interaction and communication problems, atypical language, rigidity, stereotypy or sensory sensitivity symptoms. Our findings indicate that a blunted response to changes in sensory input may underlie or contribute to the generalized difficulties with adapting to daily life circumstances seen in children and adolescents with autism.
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Affiliation(s)
- Jonathan Lassen
- Department of Child and Adolescent Psychiatry, Copenhagen University Hospital - Psychiatry Region Zealand, Roskilde, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Bob Oranje
- Center for Neuropsychiatric Schizophrenia Research (CNSR) & Center for Clinical Intervention and Neuropsychiatric Schizophrenia Research (CINS), Copenhagen University Hospital, Psychiatric Center Glostrup, Glostrup, Denmark
| | - Martin Vestergaard
- Department of Child and Adolescent Psychiatry, Copenhagen University Hospital - Psychiatry Region Zealand, Roskilde, Denmark
| | - Malene Foldager
- Department of Child and Adolescent Psychiatry, Copenhagen University Hospital - Psychiatry Region Zealand, Roskilde, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Troels W Kjaer
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.,Department of Neurology, Zealand University Hospital, Roskilde, Denmark
| | - Sidse Arnfred
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.,Psychiatric Research Unit, Region Zealand, Denmark, Research Unit for Psychotherapy & Psychopathology, Mental Health Service West, Copenhagen University Hospital - Psychiatry Region Zealand, Slagelse, Denmark
| | - Bodil Aggernaes
- Department of Child and Adolescent Psychiatry, Copenhagen University Hospital - Psychiatry Region Zealand, Roskilde, Denmark.,PP Clinic Copenhagen, Gentofte, Denmark
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14
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Scaramella C, Alzagatiti JB, Creighton C, Mankatala S, Licea F, Winter GM, Emtage J, Wisnieski JR, Salazar L, Hussain A, Lee FM, Mammootty A, Mammootty N, Aldujaili A, Runnberg KA, Hernandez D, Zimmerman-Thompson T, Makwana R, Rouvere J, Tahmasebi Z, Zavradyan G, Campbell CS, Komaranchath M, Carmona J, Trevitt J, Glanzman D, Roberts AC. Bisphenol A Exposure Induces Sensory Processing Deficits in Larval Zebrafish during Neurodevelopment. eNeuro 2022; 9:ENEURO.0020-22.2022. [PMID: 35508370 PMCID: PMC9116930 DOI: 10.1523/eneuro.0020-22.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/10/2022] [Accepted: 04/01/2022] [Indexed: 11/21/2022] Open
Abstract
Because of their ex utero development, relatively simple nervous system, translucency, and availability of tools to investigate neural function, larval zebrafish are an exceptional model for understanding neurodevelopmental disorders and the consequences of environmental toxins. Furthermore, early in development, zebrafish larvae easily absorb chemicals from water, a significant advantage over methods required to expose developing organisms to chemical agents in utero Bisphenol A (BPA) and BPA analogs are ubiquitous environmental toxins with known molecular consequences. All humans have measurable quantities of BPA in their bodies. Most concerning, the level of BPA exposure is correlated with neurodevelopmental difficulties in people. Given the importance of understanding the health-related effects of this common toxin, we have exploited the experimental advantages of the larval zebrafish model system to investigate the behavioral and anatomic effects of BPA exposure. We discovered that BPA exposure early in development leads to deficits in the processing of sensory information, as indicated by BPA's effects on prepulse inhibition (PPI) and short-term habituation (STH) of the C-start reflex. We observed no changes in locomotion, thigmotaxis, and repetitive behaviors (circling). Despite changes in sensory processing, we detected no regional or whole-brain volume changes. Our results show that early BPA exposure can induce sensory processing deficits, as revealed by alterations in simple behaviors that are mediated by a well-defined neural circuit.
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Affiliation(s)
- Courtney Scaramella
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Joseph B Alzagatiti
- Department of Molecular, Cellular, and Developmental Biology, University of California, Santa Barbara, Santa Barbara, CA 93106
| | - Christopher Creighton
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Samandeep Mankatala
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Fernando Licea
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Gabriel M Winter
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Jasmine Emtage
- Department of Biology, California Institute of Technology, Pasadena, CA 91125
| | - Joseph R Wisnieski
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Luis Salazar
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Anjum Hussain
- Department of Neuroscience, University of California, Riverside, Riverside, CA 92521
| | - Faith M Lee
- Department of Society and Genetics, University of California, Los Angeles, Los Angeles, CA 90095
| | - Asma Mammootty
- Saint Louis University School of Medicine, St. Louis, MO 63104
| | | | - Andrew Aldujaili
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095
| | - Kristine A Runnberg
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Daniela Hernandez
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | | | - Rikhil Makwana
- Department of Molecular and Cell Biology, University of California, Berkeley, Berkeley, CA 94720
| | - Julien Rouvere
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Zahra Tahmasebi
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - Gohar Zavradyan
- Department of Neuroscience, University of California, Riverside, Riverside, CA 92521
| | | | - Meghna Komaranchath
- Department of Biomedical Engineering, Columbia University, New York, NY 10027
| | - Javier Carmona
- Department of Physics, University of California, Los Angeles, Los Angeles, CA 90095
| | - Jennifer Trevitt
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
| | - David Glanzman
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA 90095
- Department of Neurobiology, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA 90095
- Integrative Center for Learning and Memory, Brain Research Institute, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA 90095
| | - Adam C Roberts
- Department of Psychology, California State University at Fullerton, Fullerton, CA 92831
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15
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Marquez-Legorreta E, Constantin L, Piber M, Favre-Bulle IA, Taylor MA, Blevins AS, Giacomotto J, Bassett DS, Vanwalleghem GC, Scott EK. Brain-wide visual habituation networks in wild type and fmr1 zebrafish. Nat Commun 2022; 13:895. [PMID: 35173170 PMCID: PMC8850451 DOI: 10.1038/s41467-022-28299-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 01/12/2022] [Indexed: 11/09/2022] Open
Abstract
Habituation is a form of learning during which animals stop responding to repetitive stimuli, and deficits in habituation are characteristic of several psychiatric disorders. Due to technical challenges, the brain-wide networks mediating habituation are poorly understood. Here we report brain-wide calcium imaging during larval zebrafish habituation to repeated visual looming stimuli. We show that different functional categories of loom-sensitive neurons are located in characteristic locations throughout the brain, and that both the functional properties of their networks and the resulting behavior can be modulated by stimulus saliency and timing. Using graph theory, we identify a visual circuit that habituates minimally, a moderately habituating midbrain population proposed to mediate the sensorimotor transformation, and downstream circuit elements responsible for higher order representations and the delivery of behavior. Zebrafish larvae carrying a mutation in the fmr1 gene have a systematic shift toward sustained premotor activity in this network, and show slower behavioral habituation.
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Affiliation(s)
- Emmanuel Marquez-Legorreta
- The Queensland Brain Institute, The University of Queensland, St Lucia, QLD, 4072, Australia.,Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA, USA
| | - Lena Constantin
- The Queensland Brain Institute, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Marielle Piber
- School of Medicine, Medical Sciences, and Nutrition, University of Aberdeen, Aberdeen, AB25 2ZD, UK
| | - Itia A Favre-Bulle
- The Queensland Brain Institute, The University of Queensland, St Lucia, QLD, 4072, Australia.,School of Mathematics and Physics, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Michael A Taylor
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Ann S Blevins
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Jean Giacomotto
- The Queensland Brain Institute, The University of Queensland, St Lucia, QLD, 4072, Australia.,Queensland Centre for Mental Health Research, West Moreton Hospital and Health Service, Wacol, QLD, 4076, Australia.,Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane, QLD, 4111, Australia.,Discovery Biology, Griffith University, Brisbane, QLD, 4111, Australia
| | - Dani S Bassett
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Departments of Electrical & Systems Engineering, Physics & Astronomy, Neurology, Psychiatry, University of Pennsylvania, Philadelphia, PA, 19104, USA.,Santa Fe Institute, Santa Fe, NM, 87501, USA
| | - Gilles C Vanwalleghem
- The Queensland Brain Institute, The University of Queensland, St Lucia, QLD, 4072, Australia. .,Danish Research Institute of Translational Neuroscience - DANDRITE, Nordic-EMBL Partnership for Molecular Medicine, Department of Molecular Biology and Genetics, Aarhus University, Aarhus, Denmark.
| | - Ethan K Scott
- The Queensland Brain Institute, The University of Queensland, St Lucia, QLD, 4072, Australia.
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16
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Qi G, Zhang P, Li T, Li M, Zhang Q, He F, Zhang L, Cai H, Lv X, Qiao H, Chen X, Ming J, Tian B. NAc-VTA circuit underlies emotional stress-induced anxiety-like behavior in the three-chamber vicarious social defeat stress mouse model. Nat Commun 2022; 13:577. [PMID: 35102141 PMCID: PMC8804001 DOI: 10.1038/s41467-022-28190-2] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 01/07/2022] [Indexed: 01/07/2023] Open
Abstract
Emotional stress is considered a severe pathogenetic factor of psychiatric disorders. However, the circuit mechanisms remain largely unclear. Using a three-chamber vicarious social defeat stress (3C-VSDS) model in mice, we here show that chronic emotional stress (CES) induces anxiety-like behavior and transient social interaction changes. Dopaminergic neurons of ventral tegmental area (VTA) are required to control this behavioral deficit. VTA dopaminergic neuron hyperactivity induced by CES is involved in the anxiety-like behavior in the innate anxiogenic environment. Chemogenetic activation of VTA dopaminergic neurons directly triggers anxiety-like behavior, while chemogenetic inhibition of these neurons promotes resilience to the CES-induced anxiety-like behavior. Moreover, VTA dopaminergic neurons receiving nucleus accumbens (NAc) projections are activated in CES mice. Bidirectional modulation of the NAc-VTA circuit mimics or reverses the CES-induced anxiety-like behavior. In conclusion, we propose that a NAc-VTA circuit critically establishes and regulates the CES-induced anxiety-like behavior. This study not only characterizes a preclinical model that is representative of the nuanced aspect of CES, but also provides insight to the circuit-level neuronal processes that underlie empathy-like behavior.
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Affiliation(s)
- Guangjian Qi
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
- College of Acupuncture & Massage, Shaanxi University of Chinese Medicine, Xixian New Area, Shaanxi Province, 712046, P. R. China
- Key Laboratory of Acupuncture & Medicine of Shaanxi Province, Shaanxi University of Chinese Medicine, Xixian New Area, Shaanxi Province, 712046, P. R. China
| | - Pei Zhang
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
- Institute for Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
- Key Laboratory of Neurological Diseases, Ministry of Education, Wuhan, Hubei Province, 430030, P. R. China
| | - Tongxia Li
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Ming Li
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Qian Zhang
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Feng He
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Lijun Zhang
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Hongwei Cai
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Xinyuan Lv
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Haifa Qiao
- College of Acupuncture & Massage, Shaanxi University of Chinese Medicine, Xixian New Area, Shaanxi Province, 712046, P. R. China
- Key Laboratory of Acupuncture & Medicine of Shaanxi Province, Shaanxi University of Chinese Medicine, Xixian New Area, Shaanxi Province, 712046, P. R. China
| | - Xiaoqian Chen
- Institute for Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
- Key Laboratory of Neurological Diseases, Ministry of Education, Wuhan, Hubei Province, 430030, P. R. China
- Department of Pathophysiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China
| | - Jie Ming
- Department of Breast and Thyroid Surgery, Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430022, P. R. China.
| | - Bo Tian
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China.
- Institute for Brain Research, Huazhong University of Science and Technology, Wuhan, Hubei Province, 430030, P. R. China.
- Key Laboratory of Neurological Diseases, Ministry of Education, Wuhan, Hubei Province, 430030, P. R. China.
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17
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Early development of social attention in toddlers at high familial risk for autism spectrum disorder. Infant Behav Dev 2021; 66:101662. [PMID: 34890953 DOI: 10.1016/j.infbeh.2021.101662] [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: 04/30/2021] [Revised: 11/05/2021] [Accepted: 11/07/2021] [Indexed: 11/23/2022]
Abstract
The present study explored the early development of social attention of toddlers at high familial risk (HR) for autism spectrum disorder (ASD). Eighteen HR toddlers and twenty-two toddlers at low familial risk for ASD (LR) between 11 and 24 months were asked to watch paired social and non-social videos. We found that: (1) the initial social preference in HR group decreased with age, but not in LR group; (2) both groups showed significant social habituation across trials, but HR group habituated slightly slower as age increased. These findings suggest that atypical social attention could be an early characteristic of toddlers at high familial risk for ASD.
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18
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Sapey-Triomphe LA, Temmerman J, Puts NAJ, Wagemans J. Prediction learning in adults with autism and its molecular correlates. Mol Autism 2021; 12:64. [PMID: 34615532 PMCID: PMC8493731 DOI: 10.1186/s13229-021-00470-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 09/23/2021] [Indexed: 12/28/2022] Open
Abstract
Background According to Bayesian hypotheses, individuals with Autism Spectrum Disorder (ASD) have difficulties making accurate predictions about their environment. In particular, the mechanisms by which they assign precision to predictions or sensory inputs would be suboptimal in ASD. These mechanisms are thought to be mostly mediated by glutamate and GABA. Here, we aimed to shed light on prediction learning in ASD and on its neurobiological correlates. Methods Twenty-six neurotypical and 26 autistic adults participated in an associative learning task where they had to learn a probabilistic association between a tone and the rotation direction of two dots, in a volatile context. They also took part in magnetic resonance spectroscopy (MRS) measurements to quantify Glx (glutamate and glutamine), GABA + and glutathione in a low-level perceptual region (occipital cortex) and in a higher-level region involved in prediction learning (inferior frontal gyrus). Results Neurotypical and autistic adults had their percepts biased by their expectations, and this bias was smaller for individuals with a more atypical sensory sensitivity. Both groups were able to learn the association and to update their beliefs after a change in contingency. Interestingly, the percentage of correct predictions was correlated with the Glx/GABA + ratio in the occipital cortex (positive correlation) and in the right inferior frontal gyrus (negative correlation). In this region, MRS results also showed an increased concentration of Glx in the ASD group compared to the neurotypical group. Limitations We used a quite restrictive approach to select the MR spectra showing a good fit, which led to the exclusion of some MRS datasets and therefore to the reduction of the sample size for certain metabolites/regions. Conclusions Autistic adults appeared to have intact abilities to make predictions in this task, in contrast with the Bayesian hypotheses of ASD. Yet, higher ratios of Glx/GABA + in a frontal region were associated with decreased predictive abilities, and ASD individuals tended to have more Glx in this region. This neurobiological difference might contribute to suboptimal predictive mechanisms in ASD in certain contexts. Supplementary Information The online version contains supplementary material available at 10.1186/s13229-021-00470-6.
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Affiliation(s)
- Laurie-Anne Sapey-Triomphe
- Department of Brain and Cognition, Leuven Brain Institute, KU Leuven, 3000, Leuven, Belgium. .,Leuven Autism Research (LAuRes), KU Leuven, 3000, Leuven, Belgium.
| | - Joke Temmerman
- Department of Brain and Cognition, Leuven Brain Institute, KU Leuven, 3000, Leuven, Belgium
| | - Nicolaas A J Puts
- Department of Forensic and Neurodevelopmental Sciences and the Institute of Psychiatry, Psychology, and Neuroscience, Sackler Institute for Translational Neurodevelopment, King's College London, London, SE5 8AF, UK.,MRC Centre for Neurodevelopmental Disorders, King's College London, London, SE5 8AF, UK
| | - Johan Wagemans
- Department of Brain and Cognition, Leuven Brain Institute, KU Leuven, 3000, Leuven, Belgium.,Leuven Autism Research (LAuRes), KU Leuven, 3000, Leuven, Belgium
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19
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Dimitrova M, Wagatsuma H, Krastev A, Vrochidou E, Nunez-Gonzalez JD. A Review of Possible EEG Markers of Abstraction, Attentiveness, and Memorisation in Cyber-Physical Systems for Special Education. Front Robot AI 2021; 8:715962. [PMID: 34532347 PMCID: PMC8439420 DOI: 10.3389/frobt.2021.715962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 07/22/2021] [Indexed: 11/21/2022] Open
Abstract
Cyber-physical systems (CPSs) for special education rely on effective mental and brain processing during the lesson, performed with the assistance of humanoid robots. The improved diagnostic ability of the CPS is a prerogative of the system for efficient technological support of the pedagogical process. The article focuses on the available knowledge of possible EEG markers of abstraction, attentiveness, and memorisation (in some cases combined with eye tracking) related to predicting effective mental and brain processing during the lesson. The role of processing abstraction is emphasised as the learning mechanism, which is given priority over the other mechanisms by the cognitive system. The main markers in focus are P1, N170, Novelty P3, RewP, N400, and P600. The description of the effects is accompanied by the analysis of some implications for the design of novel educational scenarios in inclusive classes.
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Affiliation(s)
- Maya Dimitrova
- Department of Interactive Robotics and Control Systems, Institute of Robotics, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Hiroaki Wagatsuma
- Department of Human Intelligence Systems, Graduate School of Life Science and Systems Engineering, Kyushu Institute of Technology (KYUTECH), Kitakyushu, Japan
| | - Aleksandar Krastev
- Department of Interactive Robotics and Control Systems, Institute of Robotics, Bulgarian Academy of Sciences, Sofia, Bulgaria
| | - Eleni Vrochidou
- Human-Machines Interaction (HUMAIN) Lab, Department of Computer Science, International Hellenic University (IHU), Kavala, Greece
| | - J. David Nunez-Gonzalez
- Engineering School of Gipuzkoa—Eibar Section, Department of Applied Mathematics, University of Basque Country (UPV/EHU), Bilbao, Spain
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20
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Uljarević M, Frazier TW, Rached G, Busch RM, Klaas P, Srivastava S, Martinez-Agosto JA, Sahin M, Eng C, Hardan AY. Toward better characterization of restricted and repetitive behaviors in individuals with germline heterozygous PTEN mutations. Am J Med Genet A 2021; 185:3401-3410. [PMID: 34423884 DOI: 10.1002/ajmg.a.62458] [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: 03/09/2021] [Revised: 06/14/2021] [Accepted: 06/28/2021] [Indexed: 11/05/2022]
Abstract
This study aimed to further our understanding of restricted and repetitive behaviors (RRB) among individuals with germline pathogenic mutations in PTEN by providing multimethod characterization and comparison of key RRB subdomains across individuals with PTEN mutations with autism spectrum disorder (ASD) (PTEN-ASD), with PTEN mutations without ASD (PTEN-No ASD) and with ASD and macrocephaly but without PTEN mutations (Macro-ASD). Of 86 total research participants, 38 had PTEN-ASD (Mage = 8.93 years, SDage = 4.75), 25 Macro-ASD (Mage = 11.99 years; SDage = 5.15), and 23 PTEN-No ASD (Mage = 8.94 years; SDage = 4.85). The Repetitive Behavior Scale-Revised (RBS-R) and the Autism Diagnostic Interview-Revised (ADI-R) were used as measures of distinct RRB domains. There were significant group differences in the RBS-R repetitive motor behaviors (RMB; F = 4.52, p = 0.014, ω2 = 0.08), insistence on sameness (IS; F = 4.11, p = 0.02, ω2 = 0.05), and circumscribed interests (CI; F = 7.80, p = 0.001, ω2 = 0.14) scales. Post hoc comparisons showed that the PTEN-No ASD group had significantly lower RMB, IS, and CI scores compared to both PTEN-ASD and Macro-ASD groups. Importantly, PTEN-No ASD group still showed elevated RRB levels. Furthermore, there was a portion of individuals in PTEN-No ASD group whose Full-Scale Intelligence Quotient (FSIQ) was >70 that did not show floor level scores in the RMB domain. After adjusting for age and FSIQ scores, group differences were no longer statistically significant. RMB, IS, and CI domains showed distinct association patterns with sex, age, and FSIQ. This investigation provides the largest and most comprehensive characterization of distinct RRB domains in individuals with PTEN mutations to date. Despite the limitations, our findings have important assessment and treatment implications.
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Affiliation(s)
- Mirko Uljarević
- Faculty of Medicine, Dentistry, and Health Sciences, Melbourne School of Psychological Sciences, The University of Melbourne, Melbourne, Victoria, Australia.,La Trobe University, Bundoora, Victoria, Australia
| | - Thomas W Frazier
- Department of Psychology, John Carroll University, University Heights, Ohio, USA.,Autism Speaks, New York, New York, USA
| | | | - Robyn M Busch
- Department of Neurology, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA.,Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Patricia Klaas
- Department of Neurology, Neurological Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Siddharth Srivastava
- Department of Neurology, Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Julian A Martinez-Agosto
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, California, USA.,Division of Medical Genetics, Department of Pediatrics, David Geffen School of Medicine, University of California, Los Angeles, California, USA
| | - Mustafa Sahin
- Department of Neurology, Translational Neuroscience Center, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | - Charis Eng
- Genomic Medicine Institute, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio, USA
| | - Antonio Y Hardan
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, California, USA
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21
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Valori I, McKenna-Plumley PE, Bayramova R, Farroni T. Perception and Motion in Real and Virtual Environments: A Narrative Review of Autism Spectrum Disorders. Front Psychol 2021; 12:708229. [PMID: 34322072 PMCID: PMC8311234 DOI: 10.3389/fpsyg.2021.708229] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/21/2021] [Indexed: 11/13/2022] Open
Abstract
Atypical sensorimotor developmental trajectories greatly contribute to the profound heterogeneity that characterizes Autism Spectrum Disorders (ASD). Individuals with ASD manifest deviations in sensorimotor processing with early markers in the use of sensory information coming from both the external world and the body, as well as motor difficulties. The cascading effect of these impairments on the later development of higher-order abilities (e.g., executive functions and social communication) underlines the need for interventions that focus on the remediation of sensorimotor integration skills. One of the promising technologies for such stimulation is Immersive Virtual Reality (IVR). In particular, head-mounted displays (HMDs) have unique features that fully immerse the user in virtual realities which disintegrate and otherwise manipulate multimodal information. The contribution of each individual sensory input and of multisensory integration to perception and motion can be evaluated and addressed according to a user’s clinical needs. HMDs can therefore be used to create virtual environments aimed at improving people’s sensorimotor functioning, with strong potential for individualization for users. Here we provide a narrative review of the sensorimotor atypicalities evidenced by children and adults with ASD, alongside some specific relevant features of IVR technology. We discuss how individuals with ASD may interact differently with IVR versus real environments on the basis of their specific atypical sensorimotor profiles and describe the unique potential of HMD-delivered immersive virtual environments to this end.
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Affiliation(s)
- Irene Valori
- Department of Developmental Psychology and Socialization, University of Padua, Padua, Italy
| | | | - Rena Bayramova
- Department of General Psychology, University of Padua, Padua, Italy
| | - Teresa Farroni
- Department of Developmental Psychology and Socialization, University of Padua, Padua, Italy
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22
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Venker CE, Mathée J, Neumann D, Edwards J, Saffran J, Ellis Weismer S. Competing Perceptual Salience in a Visual Word Recognition Task Differentially Affects Children With and Without Autism Spectrum Disorder. Autism Res 2021; 14:1147-1162. [PMID: 33372400 PMCID: PMC8192461 DOI: 10.1002/aur.2457] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 11/11/2022]
Abstract
Differences in visual attention have long been recognized as a central characteristic of autism spectrum disorder (ASD). Regardless of social content, children with ASD show a strong preference for perceptual salience-how interesting (i.e., striking) certain stimuli are, based on their visual properties (e.g., color, geometric patterning). However, we do not know the extent to which attentional allocation preferences for perceptual salience persist when they compete with top-down, linguistic information. This study examined the impact of competing perceptual salience on visual word recognition in 17 children with ASD (mean age 31 months) and 17 children with typical development (mean age 20 months) matched on receptive language skills. A word recognition task presented two images on a screen, one of which was named (e.g., Find the bowl!). On Neutral trials, both images had high salience (i.e., were colorful and had geometric patterning). On Competing trials, the distracter image had high salience but the target image had low salience, creating competition between bottom-up (i.e., salience-driven) and top-down (i.e., language-driven) processes. Though both groups of children showed word recognition in an absolute sense, competing perceptual salience significantly decreased attention to the target only in the children with ASD. These findings indicate that perceptual properties of objects can disrupt attention to relevant information in children with ASD, which has implications for supporting their language development. Findings also demonstrate that perceptual salience affects attentional allocation preferences in children with ASD, even in the absence of social stimuli. LAY SUMMARY: This study found that visually striking objects distract young children with autism spectrum disorder (ASD) from looking at relevant (but less striking) objects named by an adult. Language-matched, younger children with typical development were not significantly affected by this visual distraction. Though visual distraction could have cascading negative effects on language development in children with ASD, learning opportunities that build on children's focus of attention are likely to support positive outcomes.
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Affiliation(s)
- Courtney E Venker
- Department of Communicative Sciences and Disorders, Michigan State University, Michigan, USA
| | - Janine Mathée
- Waisman Center and Department of Communication Sciences and Disorders, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Dominik Neumann
- College of Communication Arts and Sciences, Michigan State University, East Lansing, Michigan, USA
| | - Jan Edwards
- Waisman Center and Department of Communication Sciences and Disorders, University of Wisconsin-Madison, Madison, Wisconsin, USA
- Department of Hearing and Speech Sciences, Maryland Science Center, University of Maryland, College Park, Maryland, USA
| | - Jenny Saffran
- Waisman Center and Department of Psychology, University of Wisconsin-Madison, Madison, Wisconsin, USA
| | - Susan Ellis Weismer
- Waisman Center and Department of Communication Sciences and Disorders, University of Wisconsin-Madison, Madison, Wisconsin, USA
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23
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Cannon J, O’Brien AM, Bungert L, Sinha P. Prediction in Autism Spectrum Disorder: A Systematic Review of Empirical Evidence. Autism Res 2021; 14:604-630. [PMID: 33570249 PMCID: PMC8043993 DOI: 10.1002/aur.2482] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Revised: 12/18/2020] [Accepted: 01/21/2021] [Indexed: 12/20/2022]
Abstract
According to a recent influential proposal, several phenotypic features of autism spectrum disorder (ASD) may be accounted for by differences in predictive skills between individuals with ASD and neurotypical individuals. In this systematic review, we describe results from 47 studies that have empirically tested this hypothesis. We assess the results based on two observable aspects of prediction: learning a pairing between an antecedent and a consequence and responding to an antecedent in a predictive manner. Taken together, these studies suggest distinct differences in both predictive learning and predictive response. Studies documenting differences in learning predictive pairings indicate challenges in detecting such relationships especially when predictive features of an antecedent have low salience or consistency, and studies showing differences in habituation and perceptual adaptation suggest low-level predictive processing differences in ASD. These challenges may account for the observed differences in the influence of predictive priors, in spontaneous predictive movement or gaze, and in social prediction. An important goal for future research will be to better define and constrain the broad domain-general hypothesis by testing multiple types of prediction within the same individuals. Additional promising avenues include studying prediction within naturalistic contexts and assessing the effect of prediction-based intervention on supporting functional outcomes for individuals with ASD. LAY SUMMARY: Researchers have suggested that many features of autism spectrum disorder (ASD) may be explained by differences in the prediction skills of people with ASD. We review results from 47 studies. These studies suggest that ASD may be associated with differences in the learning of predictive pairings (e.g., learning cause and effect) and in low-level predictive processing in the brain (e.g., processing repeated sounds). These findings lay the groundwork for research that can improve our understanding of ASD and inform interventions. Autism Res 2021, 14: 604-630. © 2021 International Society for Autism Research and Wiley Periodicals LLC.
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Affiliation(s)
- Jonathan Cannon
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology
| | - Amanda M. O’Brien
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology
- Program in Speech and Hearing Bioscience and Technology, Harvard University
| | - Lindsay Bungert
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology
| | - Pawan Sinha
- Department of Brain and Cognitive Sciences, Massachusetts Institute of Technology
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24
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What is the Effect of Stimulus Complexity on Attention to Repeating and Changing Information in Autism? J Autism Dev Disord 2021; 52:600-616. [PMID: 33740203 PMCID: PMC8813872 DOI: 10.1007/s10803-021-04961-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2021] [Indexed: 02/03/2023]
Abstract
Slower habituation to repeating stimuli characterises Autism, but it is not known whether this is driven by difficulties with information processing or an attentional bias towards sameness. We conducted eye-tracking and presented looming geometrical shapes, clocks with moving arms and smiling faces, as two separate streams of stimuli (one repeating and one changing), to 7–15 years old children and adolescents (n = 103) with Autism, ADHD or co-occurring Autism+ADHD, and neurotypical children (Study-1); and to neurotypical children (n = 64) with varying levels of autistic traits (Study-2). Across both studies, autistic features were associated with longer looks to the repeating stimulus, and shorter looks to the changing stimulus, but only for more complex stimuli, indicating greater difficulty in processing complex or unpredictable information.
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25
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Roberta B, Riva V, Cantiani C, Riboldi EM, Molteni M, Macchi Cassia V, Bulf H. Dysfunctions in Infants' Statistical Learning are Related to Parental Autistic Traits. J Autism Dev Disord 2021; 51:4621-4631. [PMID: 33582879 PMCID: PMC8531064 DOI: 10.1007/s10803-021-04894-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/21/2021] [Indexed: 12/02/2022]
Abstract
Statistical learning refers to the ability to extract the statistical relations embedded in a sequence, and it plays a crucial role in the development of communicative and social skills that are impacted in the Autism Spectrum Disorder (ASD). Here, we investigated the relationship between infants’ SL ability and autistic traits in their parents. Using a visual habituation task, we tested infant offspring of adults (non-diagnosed) who show high (HAT infants) versus low (LAT infants) autistic traits. Results demonstrated that LAT infants learned the statistical structure embedded in a visual sequence, while HAT infants failed. Moreover, infants’ SL ability was related to autistic traits in their parents, further suggesting that early dysfunctions in SL might contribute to variabilities in ASD symptoms.
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Affiliation(s)
- Bettoni Roberta
- Department of Psychology, Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo, 1 (U6), 20126, Milano, Italy. .,NeuroMi, Milan Center for Neuroscience, Milano, Italy.
| | - Valentina Riva
- Child Psychopathology Unit, Scientific Institute, IRCCS E. Medea, Bosisio Parini, Lecco, Italy
| | - Chiara Cantiani
- Child Psychopathology Unit, Scientific Institute, IRCCS E. Medea, Bosisio Parini, Lecco, Italy
| | - Elena Maria Riboldi
- Child Psychopathology Unit, Scientific Institute, IRCCS E. Medea, Bosisio Parini, Lecco, Italy
| | - Massimo Molteni
- Child Psychopathology Unit, Scientific Institute, IRCCS E. Medea, Bosisio Parini, Lecco, Italy
| | - Viola Macchi Cassia
- Department of Psychology, Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo, 1 (U6), 20126, Milano, Italy.,NeuroMi, Milan Center for Neuroscience, Milano, Italy
| | - Hermann Bulf
- Department of Psychology, Università degli Studi di Milano-Bicocca, Piazza Ateneo Nuovo, 1 (U6), 20126, Milano, Italy.,NeuroMi, Milan Center for Neuroscience, Milano, Italy
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26
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Alò R, Olivito I, Fazzari G, Zizza M, Di Vito A, Avolio E, Mandalà M, Bruno R, Barni T, Canonaco M, Facciolo RM. Correlation of distinct behaviors to the modified expression of cerebral Shank1,3 and BDNF in two autistic animal models. Behav Brain Res 2021; 404:113165. [PMID: 33577886 DOI: 10.1016/j.bbr.2021.113165] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/27/2020] [Accepted: 02/02/2021] [Indexed: 12/19/2022]
Abstract
Autism spectrum disorder (ASD) is a heterogeneous neurodevelopmental disorder featuring altered neuronal circuitry and consequently impaired social interactions, restrictive interests plus repetitive stereotypic activities. In the present study, differentiated behaviors of valproic (VPA) and propionic (PPA) acid-mediated autism rats were correlated to cerebral scaffolding proteins (Shank1,3) and BDNF expression variations. Sprague-Dawley offspring that received VPA during pregnancy displayed a notably diminished permanence (-78 %, p < 0.01) in the light chamber of light dark (LD) test, reduced exploratory tasks, i.e. grooming (-90 %) and rearing (-65 %). Moreover, they executed extremely greater climbing intervals (+300 %, p < 0.001) in novel cage (NC) test, plus exhibited an extremely reduced (-331 %) discrimination index in novel object recognition (NOR) test when compared to controls. PPA-treated postnatal days (PND) 12-16 rats also displayed anxiety-like behaviors, although in a less evident manner, as indicated by a moderate time (+55 %; p < 0.05) spent in dark chamber along with notable and moderate decreases in digging (-78 %) plus grooming (-52 %), respectively. Contextually, VPA- more than PPA supplied opposite Shank1,3 expression changes in cerebellum (CB; -62 %; +78 %), dorsomedial prefrontal cortex (DM-PFC; +95 % -76 %), respectively, while resulting extremely upregulated in hippocampus (HIP; +125 % - +155 %). Even BDNF resulted to be substantially and notably diminished in HIP (-85 %) and DM-PFC (-72 %), respectively, of VPA rats while it was only moderately reduced (-35 % to -45 %) in these same areas of PPA rats. The early altered brain-specific expression levels accounting for different behavioral performances may provide useful diagnostic indications and constitute valuable therapeutic strategies for autistic patients.
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Affiliation(s)
- Raffaella Alò
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy
| | - Ilaria Olivito
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy
| | - Gilda Fazzari
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy
| | - Merylin Zizza
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy
| | - Anna Di Vito
- Dept. of Clinical and Experimental Medicine, University of Catanzaro "Magna Graecia", Catanzaro, Italy
| | - Ennio Avolio
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy; Health Center srl, Biomedical and Nutritional Center, via Sabotino 66, 87100 Cosenza, Italy
| | - Maurizio Mandalà
- Vascular Physiology Lab., Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy
| | - Rosalinda Bruno
- Dept. of Pharmacy and Science of Health and Nutritional Sciences, University of Calabria, Arcavacata di Rende-Cosenza, Italy
| | - Tullio Barni
- Dept. of Clinical and Experimental Medicine, University of Catanzaro "Magna Graecia", Catanzaro, Italy
| | - Marcello Canonaco
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy.
| | - Rosa Maria Facciolo
- Comparative Anatomy & Cytology, Dept. of Biology, Ecology and Earth Science, University of Calabria, Arcavacata di Rende-Cosenza, Italy
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27
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Bharath R, Moodithaya SS, Halahalli H, Undaru SB, Nallilu SK, Mirajkar AM. Evaluation of sympathetic sudomotor responses to auditory stimuli in children with autism spectrum disorders. Indian J Psychiatry 2020; 62:494-500. [PMID: 33678829 PMCID: PMC7909012 DOI: 10.4103/psychiatry.indianjpsychiatry_573_19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/25/2019] [Accepted: 06/13/2020] [Indexed: 11/25/2022] Open
Abstract
AIM AND OBJECTIVE Autism spectrum disorder (ASD) being a complex neurological and developmental disorder is also associated with autonomic nervous system dysfunction. Sudomotor nerve function is one highly sensitive index of sympathetic cholinergic activity and can be evaluated by measuring sympathetic skin response (SSR) to various stimuli. Studies reporting SSR to auditory stimulus among ASDs are limited and to the extent of our knowledge not assessed in the Indian scenario. The objective of the study was to assess and compare sympathetic sudomotor activity by evaluating SSR to auditory stimuli in children with and without ASDs. MATERIALS AND METHODS A total of eighty individuals were enrolled in the study, including forty children with ASD and forty typically developing (TD) children. SSR to auditory stimulus was assessed using a digitized data acquisition unit in a soundproof room, maintained at 23°C. SSR indices such as latent period (s), amplitude (mv), and habituation were analyzed and compared using appropriate statistical tests between the groups. P < 0.05 was considered statistically significant. RESULTS Habituation for SSR was statistically significantly lower (P < 0.001) in children with ASD (0.43 [0.21, 0.61]) compared to TD children (0.78 [0.65, 0.95]). Latent period was also statistically significantly higher in children with ASD (1.67 [1.37, 2.02]) compared to TD children (1.41 [1.2, 1.72]). However, there was no significant difference in amplitude values between the groups. CONCLUSIONS Children with ASDs exhibited slower habituation of SSR to auditory stimuli compared to healthy controls. This slower habituation process might be due to the persistent predominant state of sympathetic nerves, which, in turn, contributes to the atypical emotional and behavioral traits prevailing in ASDs.
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Affiliation(s)
- Remya Bharath
- Department of Physiology, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Shailaja S Moodithaya
- Department of Physiology, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Harsha Halahalli
- Department of Physiology, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Shrinivasa Bhat Undaru
- Department of Psychiatry, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Suchetha Kumari Nallilu
- Department of Biochemistry, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Mangalore, Karnataka, India
| | - Amrit M Mirajkar
- Department of Physiology, K. S. Hegde Medical Academy, Nitte (Deemed to be University), Mangalore, Karnataka, India
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28
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Increased Neural Reward Responsivity in Adolescents with ASD after Social Skills Intervention. Brain Sci 2020; 10:brainsci10060402. [PMID: 32599849 PMCID: PMC7349909 DOI: 10.3390/brainsci10060402] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 06/16/2020] [Accepted: 06/22/2020] [Indexed: 12/05/2022] Open
Abstract
The reward system has been implicated as a potential neural mechanism underlying social-communication deficits in individuals with autism spectrum disorder (ASD). However, it remains unclear whether the neural reward system in ASD is sensitive to behavioral interventions. The current study measured the reward positivity (RewP) in response to social and nonsocial stimuli in seven adolescents with ASD before and after participation in the Program for the Education and Enrichment of Relational Skills (PEERS®) intervention. This study also included seven neurotypical adolescents who were tested at two time points but did not receive intervention. We examined the RewP across the course of a task by comparing brain activity during the first versus second half of trials to understand patterns of responsivity over time. Improvements in social skills and decreased social-communication impairments for teens with ASD were observed after PEERS®. Event-related potential (ERP) results suggested increased reward sensitivity during the first half of trials in the ASD group after intervention. Adolescents with ASD who exhibited less reward-related brain activity before intervention demonstrated the greatest behavioral benefits from the intervention. These findings have implications for how neuroscience can be used as an objective outcome measure before and after intervention in ASD.
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29
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Abstract
Habituation is a form of simple memory that suppresses neural activity in response to repeated, neutral stimuli. This process is critical in helping organisms guide attention toward the most salient and novel features in the environment. Here, we follow known circuit mechanisms in the fruit fly olfactory system to derive a simple algorithm for habituation. We show, both empirically and analytically, that this algorithm is able to filter out redundant information, enhance discrimination between odors that share a similar background, and improve detection of novel components in odor mixtures. Overall, we propose an algorithmic perspective on the biological mechanism of habituation and use this perspective to understand how sensory physiology can affect odor perception. Our framework may also help toward understanding the effects of habituation in other more sophisticated neural systems.
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30
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Bochet A, Franchini M, Kojovic N, Glaser B, Schaer M. Emotional vs. Neutral Face Exploration and Habituation: An Eye-Tracking Study of Preschoolers With Autism Spectrum Disorders. Front Psychiatry 2020; 11:568997. [PMID: 33519540 PMCID: PMC7838366 DOI: 10.3389/fpsyt.2020.568997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 11/27/2020] [Indexed: 11/17/2022] Open
Abstract
Diminished orienting to social stimuli, and particularly to faces, is a core feature of autism spectrum disorders (ASDs). Impaired face processing has been linked to atypical attention processes that trigger a cascade of pathological development contributing to impaired social communication. The aim of the present study is to explore the processing of emotional and neutral faces using an eye-tracking paradigm (the emotional faces task) with a group of 24 children with ASD aged 6 and under and a group of 22 age-matched typically developing (TD) children. We also measure habituation to faces in both groups based on the presentation of repeated facial expressions. Specifically, the task consists of 32 pairs of faces, a neutral face and an emotional face from the same identity, shown side by side on the screen. We observe differential exploration of emotional faces in preschoolers with ASD compared with TD. Participants with ASD make fewer fixations to emotional faces than their TD peers, and the duration of their first fixation on emotional faces is equivalent to their first fixation on neutral faces. These results suggest that emotional faces may be less interesting for children with ASD. We also observe a habituation process to neutral faces in both children with ASD and TD, who looked less at neutral faces during the last quarter of the task compared with the first quarter. By contrast, TD children show increased interest in emotional faces throughout the task, looking slightly more at emotional faces during the last quarter of the task than during the first quarter. Children with ASD demonstrate neither habituation nor increased interest in the changing emotional expressions over the course of the task, looking at the stimuli for equivalent time throughout the task. A lack of increased interest in emotional faces may suggest a lack of sensitivity to changes in expression in young children with ASD.
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Affiliation(s)
- Aurélie Bochet
- Psychiatry Department, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Fondation Pôle Autisme, Geneva, Switzerland
| | | | - Nada Kojovic
- Psychiatry Department, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Bronwyn Glaser
- Psychiatry Department, Faculty of Medicine, University of Geneva, Geneva, Switzerland
| | - Marie Schaer
- Psychiatry Department, Faculty of Medicine, University of Geneva, Geneva, Switzerland.,Fondation Pôle Autisme, Geneva, Switzerland
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31
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Hamner T, Raitano Lee N, Hocking DR, Vivanti G. Shared and syndrome-specific adaptive difficulties in preschoolers with Williams syndrome and autism spectrum disorder: a cross-syndrome study. JOURNAL OF INTELLECTUAL DISABILITY RESEARCH : JIDR 2019; 63:1305-1311. [PMID: 31321842 DOI: 10.1111/jir.12670] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Understanding adaptive functioning profiles in children with Williams syndrome (WS) and autism spectrum disorder (ASD) is critical to inform treatment strategies. However, knowledge in this area is limited and inconclusive. METHOD The current study aimed to characterise the early adaptive profiles of young children with WS (n = 18; Mage = 47 months) and ASD (n = 26; Mage = 45 months) matched on chronological age and developmental age using the Vineland Scales of Adaptive Behavior, Second Edition. RESULTS Results suggest that young children with WS and ASD do not differ on their overall level of adaptive functioning but that those with WS show relative strengths in the Socialisation scale compared with children with ASD. No other subscales differed between groups. Within groups, the WS group showed a profile of Communication, Daily Living Skills and Motor < Socialisation, whereas the ASD group did not evidence differences across subscales. CONCLUSIONS Consideration of the shared and syndrome-specific adaptive profiles provides relevant insight on intervention targets and strategies. Given the shared challenges across the two clinical groups, implications and future directions are discussed.
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Affiliation(s)
- T Hamner
- AJ Drexel Autism Institute, Drexel University, Philadelphia, PA, USA
- Department of Psychology, Drexel University, Philadelphia, PA, USA
| | - N Raitano Lee
- Department of Psychology, Drexel University, Philadelphia, PA, USA
| | - D R Hocking
- Developmental Neuromotor and Cognition Laboratory, La Trobe University, Melbourne, Australia
| | - G Vivanti
- AJ Drexel Autism Institute, Drexel University, Philadelphia, PA, USA
- Olga Tennison Autism Research Centre, School of Psychology and Public Health, La Trobe University, Melbourne, Australia
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32
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Eye-Tracking Research in Autism Spectrum Disorder: What Are We Measuring and for What Purposes? CURRENT DEVELOPMENTAL DISORDERS REPORTS 2019. [DOI: 10.1007/s40474-019-00158-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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33
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Ponzoni L, Sala C, Verpelli C, Sala M, Braida D. Different attentional dysfunctions in
eEF2K
−/−
, IL1RAPL1
−/−
and
SHANK3Δ11
−/−
mice. GENES BRAIN AND BEHAVIOR 2019; 18:e12563. [DOI: 10.1111/gbb.12563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 02/22/2019] [Accepted: 03/04/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Luisa Ponzoni
- CNR, Neuroscience Institute Milan Italy
- Department of Medical Biotechnology and Translational MedicineUniversità degli Studi di Milano Milan Italy
| | | | | | | | - Daniela Braida
- Department of Medical Biotechnology and Translational MedicineUniversità degli Studi di Milano Milan Italy
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34
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Williams syndrome: recent advances in our understanding of cognitive, social and psychological functioning. Curr Opin Psychiatry 2019; 32:60-66. [PMID: 30557270 DOI: 10.1097/yco.0000000000000477] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
PURPOSE OF REVIEW Since the last review of Williams syndrome in Current Opinion (2001) there have been many advances in knowledge about the cognitive, social and psychological impairments that characterize the disorder. The present review focuses on current research in these areas. RECENT FINDINGS Williams syndrome is associated with a wide range of cognitive, linguistic, social and other difficulties. When young, these deficits may appear relatively mild - for example, many children are highly sociable and talkative - but with age the impact of these difficulties becomes more evident. Thus, inappropriate social behaviours can significantly increase the risk of social exclusion and vulnerability to abuse. Their superficially good speech can lead to educational and other services failing to understand the true extent of impairments or the need for specialist support. Mental health problems, especially related to anxiety, often become an increasing challenge from adolescence onwards. SUMMARY The core difficulties associated with Williams syndrome have a cascading effect on many areas of development over time. However, specialist provision is rare and intervention trials are almost nonexistent. Longitudinal research is needed to identify factors associated with cognitive, social and emotional problems and to develop more effective ways of minimizing and treating difficulties.
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Vivanti G, Hamner T, Lee NR. Neurodevelopmental Disorders Affecting Sociability: Recent Research Advances and Future Directions in Autism Spectrum Disorder and Williams Syndrome. Curr Neurol Neurosci Rep 2018; 18:94. [DOI: 10.1007/s11910-018-0902-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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Vivanti G, Hamner T, Lee NR. Neurodevelopmental Disorders Affecting Sociability: Recent Research Advances and Future Directions in Autism Spectrum Disorder and Williams Syndrome. Curr Neurol Neurosci Rep 2018. [PMID: 30328520 DOI: 10.1007/s11910–018–0902-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE OF REVIEW In this review, we summarize current knowledge and hypotheses on the nature of social abnormalities in autism spectrum disorder (ASD) and Williams syndrome (WS). RECENT FINDINGS Social phenotypes in ASD and WS appear to reflect analogous disruptions in social cognition, and distinct patterns of social motivation, which appears to be reduced in ASD and enhanced in WS. These abnormalities likely originate from heterogeneous vulnerabilities that disrupt the interplay between domain-general and social domain-specific cognitive and motivational processes during early development. Causal pathways remain unclear. Advances and research gaps in our understanding of the social phenotypes in ASD and WS highlight the importance of (1) parsing the construct of sociability, (2) adopting a developmental perspective, (3) including samples that are representative of the spectrum of severity within ASD and WS in neuroscientific research, and (4) adopting transdiagnostic treatment approaches to target shared areas of impairment across diagnostic boundaries.
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Affiliation(s)
- Giacomo Vivanti
- A.J. Drexel Autism Institute, Drexel University, 3020 Market Street, Suite 560, Philadelphia, PA, 19104-3734, USA. .,Department of Psychology, Drexel University, Philadelphia, PA, 19104-3734, USA.
| | - Taralee Hamner
- A.J. Drexel Autism Institute, Drexel University, 3020 Market Street, Suite 560, Philadelphia, PA, 19104-3734, USA.,Department of Psychology, Drexel University, Philadelphia, PA, 19104-3734, USA
| | - Nancy Raitano Lee
- Department of Psychology, Drexel University, Philadelphia, PA, 19104-3734, USA
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Role of VTA dopamine neurons and neuroligin 3 in sociability traits related to nonfamiliar conspecific interaction. Nat Commun 2018; 9:3173. [PMID: 30093665 PMCID: PMC6085391 DOI: 10.1038/s41467-018-05382-3] [Citation(s) in RCA: 98] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Accepted: 06/25/2018] [Indexed: 11/29/2022] Open
Abstract
Atypical habituation and aberrant exploration of novel stimuli have been related to the severity of autism spectrum disorders (ASDs), but the underlying neuronal circuits are unknown. Here we show that chemogenetic inhibition of dopamine (DA) neurons of the ventral tegmental area (VTA) attenuates exploration toward nonfamiliar conspecifics and interferes with the reinforcing properties of nonfamiliar conspecific interaction in mice. Exploration of nonfamiliar stimuli is associated with the insertion of GluA2-lacking AMPA receptors at excitatory synapses on VTA DA neurons. These synaptic adaptations persist upon repeated exposure to social stimuli and sustain conspecific interaction. Global or VTA DA neuron-specific loss of the ASD-associated synaptic adhesion molecule neuroligin 3 alters the behavioral response toward nonfamiliar conspecifics and the reinforcing properties of conspecific interaction. These behavioral deficits are accompanied by an aberrant expression of AMPA receptors and an occlusion of synaptic plasticity. Altogether, these findings link impaired exploration of nonfamiliar conspecifics to VTA DA neuron dysfunction in mice. Individuals with autism spectrum disorder have alteration in social and novelty behaviors. Here, Bellone and colleagues show that chemogenetic inhibition of mouse dopamine neurons in the ventral tegmental area can blunt exploration towards unfamiliar conspecifics, and that these behavioral deficits are recapitulated in mice lacking neuroligin3 gene product.
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Hamilton A, Pelphrey K. Sensory and social features of autism - can they be integrated? Dev Cogn Neurosci 2018; 29:1-3. [PMID: 29563025 PMCID: PMC6987863 DOI: 10.1016/j.dcn.2018.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Affiliation(s)
| | - Kevin Pelphrey
- Autism & Neurodevelopmental Disorders Institute, The George Washington University & Children's National Health System
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Weisman O, Feldman R, Burg-Malki M, Keren M, Geva R, Diesendruck G, Gothelf D. Comparing the broad socio-cognitive profile of youth with Williams syndrome and 22q11.2 deletion syndrome. JOURNAL OF INTELLECTUAL DISABILITY RESEARCH : JIDR 2017; 61:1083-1093. [PMID: 28990288 PMCID: PMC5696079 DOI: 10.1111/jir.12424] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 07/01/2017] [Accepted: 09/14/2017] [Indexed: 06/01/2023]
Abstract
BACKGROUND Numerous studies have assessed the socio-cognitive profile in Williams syndrome (WS) and, independently, in 22q11.2 deletion syndrome (22q11.2DS). Yet, a cross-syndrome comparison of these abilities between individuals with these two syndromes with known social deficits has not been conducted. METHODS Eighty-two children participated in four study groups: WS (n = 18), 22q112.DS (n = 24), age-matched individuals with idiopathic developmental disability (IDD; n = 20) and typically developing (TD) controls (n = 20). Participants completed four socio-cognitive tests: facial emotion recognition, mental state attribution, differentiating real from apparent emotions and trait inference based on motives and actions-outcomes. RESULTS The current findings demonstrate that children with WS were better in labelling happy faces compared with children with 22q11.2DS, partially reflecting their exaggerated social drive. In the false belief task, however, the WS and IDD groups performed poorly compared with the 22q11.2DS group, possibly due to their difficulty to interpret subtle social cues. When asked to identify the gap between real-negative vs. apparent-positive emotions, the 22q11.2DS group performed similarly to TD children but better than the WS group, possibly due to their anxious personality and their innate bias towards negatively valence cues. Finally, individuals with WS were more willing to become friends with a story character even when the character's motives were negative, reflecting their difficulty to avoid potentially harmful real-life situations. CONCLUSIONS Overall, our multi-facet socio-cognitive battery uncovered strengths and weaknesses in social cognition that are syndrome-specific, shared among the genetic syndromes, or common to the three clinical groups compared with healthy controls. Our findings underscore the need to devise age-specific and condition-specific assessment tools and intervention programs towards improving these children's socio-cognitive deficits.
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Affiliation(s)
- Omri Weisman
- The Behavioral Neurogenetics Center, The Edmond and Lily Safra Children’s Hospital, Sheba Medical Center, Tel Hashomer 52621, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 69978, Israel
| | - Ruth Feldman
- Department of Psychology and Gonda Brain Research Center, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Merav Burg-Malki
- The Behavioral Neurogenetics Center, The Edmond and Lily Safra Children’s Hospital, Sheba Medical Center, Tel Hashomer 52621, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Miri Keren
- Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
- Child and Adolescent Division, Geha Mental Health Center, Petah Tikva, Israel
| | - Ronny Geva
- Department of Psychology and Gonda Brain Research Center, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Gil Diesendruck
- Department of Psychology and Gonda Brain Research Center, Bar-Ilan University, Ramat Gan 52900, Israel
| | - Doron Gothelf
- The Behavioral Neurogenetics Center, The Edmond and Lily Safra Children’s Hospital, Sheba Medical Center, Tel Hashomer 52621, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 69978, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
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Anshu K, Nair AK, Kumaresan UD, Kutty BM, Srinath S, Laxmi TR. Altered attentional processing in male and female rats in a prenatal valproic acid exposure model of autism spectrum disorder. Autism Res 2017; 10:1929-1944. [PMID: 28851114 DOI: 10.1002/aur.1852] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2017] [Revised: 07/25/2017] [Accepted: 08/03/2017] [Indexed: 02/03/2023]
Abstract
Attention is foundational to efficient perception and optimal goal driven behavior. Intact attentional processing is crucial for the development of social and communication skills. Deficits in attention are therefore likely contributors to the core pathophysiology of autism spectrum disorder (ASD). Clinical evidence in ASD is suggestive of impairments in attention and its control, but the underlying mechanisms remain elusive. We examined sustained, spatially divided attention in a prenatal valproic acid (VPA) model of ASD using the 5-choice serial reaction time task (5-CSRTT). As compared to controls, male and female VPA rats had progressively lower accuracy and higher omissions with increasing attentional demands during 5-CSRTT training, and showed further performance decrements when subjected to parametric task manipulations. It is noteworthy that although VPA exposure induced attentional deficits in both sexes, there were task parameter specific sex differences. Importantly, we did not find evidence of impulsivity or motivational deficits in VPA rats but we did find reduced social preference, as well as sensorimotor deficits that suggest pre-attentional information processing impairments. Importantly, with fixed rules, graded difficulty levels, and more time, VPA rats could be successfully trained on the attentional task. To the best of our knowledge, this is the first study examining attentional functions in a VPA model. Our work underscores the need for studying both sexes in ASD animal models and validates the use of the VPA model in the quest for mechanistic understanding of aberrant attentional functions and for evaluating suitable therapeutic targets. Autism Res 2017, 10: 1929-1944. © 2017 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY We studied rats prenatally exposed to valproic acid (VPA), an established rodent model of autism. Both male and female VPA rats had a range of attentional impairments with sex-specific characteristics. Importantly, with fixed rules, graded difficulty levels, and more time, VPA rats could be successfully trained on the attentional task. Our work validates the use of the VPA model in the quest for evaluating suitable therapeutic targets for improving attentional performance.
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Affiliation(s)
- Kumari Anshu
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, Karnataka, 560029, India
| | - Ajay Kumar Nair
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, Karnataka, 560029, India
| | - U D Kumaresan
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, Karnataka, 560029, India
| | - Bindu M Kutty
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, Karnataka, 560029, India
| | - Shoba Srinath
- Department of Child and Adolescent Psychiatry, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, Karnataka, 560029, India
| | - T Rao Laxmi
- Department of Neurophysiology, National Institute of Mental Health and Neuro Sciences (NIMHANS), Bengaluru, Karnataka, 560029, India
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