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Scholten W, Seldenrijk A, Hoogendoorn A, Bosman R, Muntingh A, Karyotaki E, Andersson G, Berger T, Carlbring P, Furmark T, Bouchard S, Goldin P, Kampmann I, Morina N, Kocovski N, Leibing E, Leichsenring F, Stolz T, van Balkom A, Batelaan N. Baseline Severity as a Moderator of the Waiting List-Controlled Association of Cognitive Behavioral Therapy With Symptom Change in Social Anxiety Disorder: A Systematic Review and Individual Patient Data Meta-analysis. JAMA Psychiatry 2023; 80:822-831. [PMID: 37256597 PMCID: PMC10233456 DOI: 10.1001/jamapsychiatry.2023.1291] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 03/16/2023] [Indexed: 06/01/2023]
Abstract
Importance Social anxiety disorder (SAD) can be adequately treated with cognitive behavioral therapy (CBT). However, there is a large gap in knowledge on factors associated with prognosis, and it is unclear whether symptom severity predicts response to CBT for SAD. Objective To examine baseline SAD symptom severity as a moderator of the association between CBT and symptom change in patients with SAD. Data Sources For this systematic review and individual patient data meta-analysis (IPDMA), PubMed, PsycInfo, Embase, and the Cochrane Library were searched from January 1, 1990, to January 13, 2023. Primary search topics were social anxiety disorder, cognitive behavior therapy, and randomized controlled trial. Study Selection Inclusion criteria were randomized clinical trials comparing CBT with being on a waiting list and using the Liebowitz Social Anxiety Scale (LSAS) in adults with a primary clinical diagnosis of SAD. Data Extraction and Synthesis Authors of included studies were approached to provide individual-level data. Data were extracted by pairs of authors following the Preferred Reporting Items for Systematic Reviews and Meta-analyses reporting guideline, and risk of bias was assessed using the Cochrane tool. An IPDMA was conducted using a 2-stage approach for the association of CBT with change in LSAS scores from baseline to posttreatment and for the interaction effect of baseline LSAS score by condition using random-effects models. Main Outcomes and Measures The main outcome was the baseline to posttreatment change in symptom severity measured by the LSAS. Results A total of 12 studies including 1246 patients with SAD (mean [SD] age, 35.3 [10.9] years; 738 [59.2%] female) were included in the meta-analysis. A waiting list-controlled association between CBT and pretreatment to posttreatment LSAS change was found (b = -20.3; 95% CI, -24.9 to -15.6; P < .001; Cohen d = -0.95; 95% CI, -1.16 to -0.73). Baseline LSAS scores moderated the differences between CBT and waiting list with respect to pretreatment to posttreatment symptom reductions (b = -0.22; 95% CI, -0.39 to -0.06; P = .009), indicating that individuals with severe symptoms had larger waiting list-controlled symptom reductions after CBT (Cohen d = -1.13 [95% CI, -1.39 to -0.88] for patients with very severe SAD; Cohen d = -0.54 [95% CI, -0.80 to -0.29] for patients with mild SAD). Conclusions and Relevance In this systematic review and IPDMA, higher baseline SAD symptom severity was associated with greater (absolute but not relative) symptom reductions after CBT in patients with SAD. The findings contribute to personalized care by suggesting that clinicians can confidently offer CBT to individuals with severe SAD symptoms.
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Affiliation(s)
- Willemijn Scholten
- GGZ inGeest, Amsterdam, the Netherlands
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
| | - Adrie Seldenrijk
- GGZ inGeest, Amsterdam, the Netherlands
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
| | - Adriaan Hoogendoorn
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
| | - Renske Bosman
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
| | - Anna Muntingh
- GGZ inGeest, Amsterdam, the Netherlands
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
| | - Eirini Karyotaki
- Faculty of Behavioural and Movement Sciences, Department of Clinical, Neuro- and Developmental Psychology, VU Amsterdam, Amsterdam, the Netherlands
| | - Gerhard Andersson
- Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
- Department of Clinical Neuroscience, Division of Psychiatry, Karolinska Institutet, Stockholm, Sweden
| | - Thomas Berger
- Department of Clinical Psychology and Psychotherapy, University of Bern, Bern, Switzerland
| | - Per Carlbring
- Department of Psychology, Stockholm University, Stockholm, Sweden
| | - Tomas Furmark
- Department of Psychology, Uppsala University, Uppsala, Sweden
| | - Stéphane Bouchard
- Departement de Psychoéducation et Psychologie, Université du Québec en Outaouais, Gatineau, Quebec, Canada
- Centre de Recherche, Centre Intégré de Santé et des Services Sociaux de l’Outaouais, Gatineau, Quebec, Canada
| | - Philippe Goldin
- Betty Irene Moore School of Nursing, University of California, Davis, Sacramento
| | - Isabel Kampmann
- Institute of Psychology, University of Münster, Münster, Germany
| | - Nexhmedin Morina
- Institute of Psychology, University of Münster, Münster, Germany
| | - Nancy Kocovski
- Department of Psychology, Wilfrid Laurier University, Waterloo, Ontario, Canada
| | - Eric Leibing
- Clinic of Psychosomatic Medicine and Psychotherapy, University Medicine Goettingen, Georg-August-Universität Goettingen, Goettingen, Germany
| | - Falk Leichsenring
- Department of Psychosomatics and Psychotherapy, Justus-Liebig-University Giessen, Giessen, Germany
| | - Timo Stolz
- Department of Clinical Psychology and Psychotherapy, University of Bern, Bern, Switzerland
| | - Anton van Balkom
- GGZ inGeest, Amsterdam, the Netherlands
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
| | - Neeltje Batelaan
- GGZ inGeest, Amsterdam, the Netherlands
- Department of Psychiatry, Amsterdam UMC location Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
- Amsterdam Public Health, Mental Health Program, Amsterdam, the Netherlands
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Nord CL, Longley B, Dercon Q, Phillips V, Funk J, Gormley S, Knight R, Smith AJ, Dalgleish T. A transdiagnostic meta-analysis of acute augmentations to psychological therapy. NATURE MENTAL HEALTH 2023; 1:389-401. [PMID: 38665477 PMCID: PMC11041792 DOI: 10.1038/s44220-023-00048-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 03/08/2023] [Indexed: 04/28/2024]
Abstract
At least half of all patients with mental health disorders do not respond adequately to psychological therapy. Acutely enhancing particular biological or psychological processes during psychological therapy may improve treatment outcomes. However, previous studies are confined to specific augmentation approaches, typically assessed within single diagnostic categories. Our objective was to assess to what degree acute augmentations of psychological therapy reduce psychiatric symptoms and estimate effect sizes of augmentation types (for example, brain stimulation or psychedelics). We searched Medline, PsycINFO and Embase for controlled studies published between database inception and 25 May 2022. We conducted a preregistered random-effects meta-analysis (PROSPERO CRD42021236403). We identified 108 studies (N = 5,889). Acute augmentation significantly reduced the severity of mental health problems (Hedges' g = -0.27, 95% CI: [-0.36, -0.18]; P < 0.0001), particularly for the transdiagnostic dimensions 'Fear' and 'Distress'. This result survived a trim-and-fill analysis to account for publication bias. Subgroup analyses revealed that pharmacological, psychological and somatic augmentations were effective, but to varying degrees. Acute augmentation approaches are a promising route to improve outcomes from psychological therapy.
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Affiliation(s)
- Camilla L. Nord
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
| | - Beth Longley
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
- Division of Psychology and Mental Health, University of Manchester, Manchester, UK
| | - Quentin Dercon
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
- Department of Psychiatry, University of Oxford, Oxford, UK
| | | | - Julia Funk
- Department of Psychology, LMU Munich, Munich, Germany
| | - Siobhan Gormley
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
| | - Rachel Knight
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
| | - Alicia J. Smith
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
| | - Tim Dalgleish
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge, UK
- Cambridgeshire and Peterborough National Health Service Foundation Trust, Cambridge, UK
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Bottemanne H, Arnould A, Najar A, Delaigue F, Serresse L, Joly L, Mouchabac S. [Combination of ketamine and esketamine with Exposure and Response Prevention (ERP) therapy for Obsessive-Compulsive Disorder]. L'ENCEPHALE 2023; 49:304-311. [PMID: 37095049 DOI: 10.1016/j.encep.2022.08.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/24/2022] [Accepted: 08/04/2022] [Indexed: 04/26/2023]
Abstract
Obsessive-Compulsive Disorder (OCD), characterized by the combination of obsession and compulsion, is a clinical and therapeutic challenge. Many patients with OCD do not respond to first-line treatments such as serotonin selective reuptake inhibitors (SSRIs) and exposure and response prevention psychotherapy (ERP). For these resistant patients, some preliminary studies have shown that ketamine, a non-selective glutamatergic NMDA receptors antagonist, could improve the obsessive symptoms. A number of these studies have also suggested that the combination of ketamine with ERP psychotherapy may jointly potentiate the effectiveness of ketamine and ERP. In this paper, we present the existing data on the combined use of ketamine with ERP psychotherapy for OCD. We suggest that modulation of NMDA receptor activity and glutamatergic signaling by ketamine may promote the therapeutic mechanisms involved in ERP such as fear extinction and brain plasticity mechanisms. Finally, we propose a ketamine-augmented ERP psychotherapy (KAP-ERP) protocol in OCD, and we present the limitations associated with its application in clinical practice.
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Affiliation(s)
- Hugo Bottemanne
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, Sorbonne University/CNRS/Inserm, Paris, France; Sorbonne University, Department of Philosophy, SND Research Unit, UMR 8011, CNRS, Paris, France; Department of Psychiatry, Pitié-Salpêtrière Hospital, Sorbonne University, DMU Neuroscience, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France.
| | - Alice Arnould
- Department of Psychiatry, Pitié-Salpêtrière Hospital, Sorbonne University, DMU Neuroscience, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Amaury Najar
- Department of Psychiatry, Pitié-Salpêtrière Hospital, Sorbonne University, DMU Neuroscience, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Fanny Delaigue
- Department of Psychiatry, Pitié-Salpêtrière Hospital, Sorbonne University, DMU Neuroscience, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Laure Serresse
- Sorbonne University, Unité Mobile d'Accompagnement et de Soins Palliatifs, Pitié-Salpêtrière Hospital, AP-HP, Paris, France
| | - Lucie Joly
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, Sorbonne University/CNRS/Inserm, Paris, France; Department of Psychiatry, Saint Antoine Hospital, Sorbonne University, DMU Neuroscience, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
| | - Stéphane Mouchabac
- Paris Brain Institute - Institut du Cerveau (ICM), UMR 7225/UMRS 1127, Sorbonne University/CNRS/Inserm, Paris, France; Department of Psychiatry, Saint Antoine Hospital, Sorbonne University, DMU Neuroscience, Assistance Publique-Hôpitaux de Paris (AP-HP), Paris, France
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Silva BA, Gräff J. Face your fears: attenuating remote fear memories by reconsolidation-updating. Trends Cogn Sci 2023; 27:404-416. [PMID: 36813591 DOI: 10.1016/j.tics.2023.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 01/22/2023] [Accepted: 01/23/2023] [Indexed: 02/22/2023]
Abstract
Traumatic events generate some of the most enduring memories, yet little is known about how long-lasting fear memories can be attenuated. In this review, we collect the surprisingly sparse evidence on remote fear memory attenuation from both animal and human research. What is becoming apparent is twofold: although remote fear memories are more resistant to change compared with recent ones, they can nevertheless be attenuated when interventions are targeted toward the period of memory malleability instigated by memory recall, the reconsolidation window. We describe the physiological mechanisms underlying remote reconsolidation-updating approaches and highlight how they can be enhanced through interventions promoting synaptic plasticity. By capitalizing on an intrinsically relevant phase of memory, reconsolidation-updating harbors the potential to permanently alter remote fear memories.
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Affiliation(s)
- Bianca A Silva
- National Research Council of Italy, Institute of Neuroscience, Milan, Italy; IRCCS Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Johannes Gräff
- Laboratory of Neuroepigenetics, Brain Mind Institute, School of Life Sciences, Ecole Polytechnique Fédérale Lausanne (EPFL), Switzerland.
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Raskin M, Monfils MH. Reconsolidation and Fear Extinction: An Update. Curr Top Behav Neurosci 2023; 64:307-333. [PMID: 37563489 DOI: 10.1007/7854_2023_438] [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: 08/12/2023]
Abstract
Fear memories can be updated behaviorally by delivering extinction trials during the reconsolidation window, which results in a persistent attenuation of fear memories (Monfils et al., Science 324:951-955, 2009). This safe and non-invasive paradigm, termed retrieval-extinction (or post-retrieval extinction), has also been found to be successful at preventing the return of fear in healthy fear conditioned humans (Schiller et al., Nature 463:49-53, 2010), and in the time since its discovery, there has been an explosion of research on the use of retrieval-extinction in fear memories in humans and other animals, some of which have found a long-term reduction in conditioned responding, and some who have not. These discrepant findings have raised concerns as to whether retrieval-extinction really results in updating of the original fear memory, or if it simply enhances extinction. We will first review the progress made on elucidating the cellular mechanisms underlying the fear attenuating effects of retrieval-extinction and how they differ from traditional extinction. Special attention will be paid to the molecular events necessary for retrieval-extinction to successfully occur and how these reconsolidated memories are represented in the brain. Next, we will examine the parameters that determine whether or not a memory will be updated via extinction during the reconsolidation window (also known as boundary conditions). These boundary conditions will also be discussed as possible explanations for discrepant findings of the retrieval-extinction effect. Then we will examine the factors that can determine whether an individual's fears will successfully be attenuated by retrieval-extinction. These individual differences include genetics, age, and psychopathology. Finally, we will discuss recent attempts to bring the retrieval-extinction paradigm from the bench to the bedside for the behavioral treatment of anxiety and trauma disorders.
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Affiliation(s)
- Marissa Raskin
- Institute for Neuroscience, University of Texas at Austin, Austin, TX, USA
| | - Marie-H Monfils
- Department of Psychology, University of Texas at Austin, Austin, TX, USA.
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Hollandt M, Richter J. Guided reactivation of personal phobic memories prior to exposure exercises prevents the renewal of fear responses in subjects with claustrophobic fears. J Behav Ther Exp Psychiatry 2022; 77:101767. [PMID: 36113904 DOI: 10.1016/j.jbtep.2022.101767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/17/2022] [Accepted: 07/14/2022] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND OBJECTIVES Basic research suggest behavioral strategies for interferencing the reconsolidation of fear memories to be a promising approach in reducing clinical fears. However, first clinical studies revealed mixed results highlighting the need to identify boundary conditions. We experimentally tested the specific hypothesis that post-retrieval threat exposure prevents context renewal usually observed in protocols without fear memory reactivation. METHODS In a preliminary investigation forty-three individuals with claustrophobic fears reactivated the individual phobic memory or not during a guided emotional imagery task and then performed standardized threat exposure to provide new information for updating the original memory. During retests seven and 28 days later, the context was different from that during treatment in half of the subjects. RESULTS In those who were guided, the fear memory was successfully reactivated as indexed by increased skin conductance level (SCL) during the imagery of personal scenes relative to neutral scenes. During retests the subjects of the memory non-activation group showed a return of reported fear after context change that, however, was not observed after post-retrieval exposure. In line, autonomic arousal (SCL) decreased over time in the memory reactivation group only if the context changed during retest. LIMITATIONS Limited sample size and the inclusion of an analog sample reduce the generalizability of the results. CONCLUSIONS The reactivation of fear memory prior to treatment through guided imagery of past personal phobic situations prevented contextual renewal of phobic fears which was observed in those subjects without reactivation of memory.
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Affiliation(s)
- Maike Hollandt
- Department of Biological and Clinical Psychology/Psychotherapy, University of Greifswald, Greifswald, Germany; Department of Clinical Psychology and Psychotherapy, University of Greifswald, Greifswald, Germany
| | - Jan Richter
- Department of Biological and Clinical Psychology/Psychotherapy, University of Greifswald, Greifswald, Germany; Department of Experimental Psychopathology, University of Hildesheim, Hildesheim, Germany.
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Paskewitz S, Stoddard J, Jones M. Explaining the Return of Fear with Revised Rescorla-Wagner Models. COMPUTATIONAL PSYCHIATRY (CAMBRIDGE, MASS.) 2022; 6:213-237. [PMID: 38774783 PMCID: PMC11104307 DOI: 10.5334/cpsy.88] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 07/07/2022] [Indexed: 11/20/2022]
Abstract
Exposure therapy - exposure to a feared stimulus without harmful consequences - can reduce fear responses in many mental disorders. However, such relief is often partial and temporary: fear can return after the therapy has ended. Conditioning research has identified three mechanisms for the return of fear, viz. change in physical context (renewal), the passage of time (spontaneous recovery), and an encounter with the fear-producing unconditioned stimulus (reinstatement). To understand why fear returns and thereby develop more effective therapies, we develop mathematical learning models based on that of Rescorla and Wagner. According to this model, context cues present during extinction become conditioned inhibitors (i.e. safety signals) which prevent total erasure of the threat association. Adding various mechanisms to the model allows it to explain different facets of the return of fear. Among these mechanisms is decay of inhibitory associations, which provides a novel explanation for spontaneous recovery. To make the benefits of exposure robust and permanent, one must minimize the degree to which the extinction context becomes inhibitory in order to maximize unlearning. We simulate several experimental paradigms that reduce the return of fear and explain them according to this principle.
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The elegant complexity of fear in non-human animals. Emerg Top Life Sci 2022; 6:445-455. [PMID: 36069657 PMCID: PMC9788375 DOI: 10.1042/etls20220001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 08/23/2022] [Accepted: 08/25/2022] [Indexed: 02/07/2023]
Abstract
Activation of the fear system is adaptive, and protects individuals from impending harm; yet, exacerbation of the fear system is at the source of anxiety-related disorders. Here, we briefly review the 'why' and 'how' of fear, with an emphasis on models that encapsulate the elegant complexity of rodents' behavioral responding in the face of impending harm, and its relevance to developing treatment interventions.
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Yang Y, Wang T, Li X, Zheng X. A novel method to enhance the retention and generalization of extinction memory in humans. LEARNING AND MOTIVATION 2022. [DOI: 10.1016/j.lmot.2022.101817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Jardine KH, Huff AE, Wideman CE, McGraw SD, Winters BD. The evidence for and against reactivation-induced memory updating in humans and nonhuman animals. Neurosci Biobehav Rev 2022; 136:104598. [PMID: 35247380 DOI: 10.1016/j.neubiorev.2022.104598] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 12/31/2022]
Abstract
Systematic investigation of reactivation-induced memory updating began in the 1960s, and a wave of research in this area followed the seminal articulation of "reconsolidation" theory in the early 2000s. Myriad studies indicate that memory reactivation can cause previously consolidated memories to become labile and sensitive to weakening, strengthening, or other forms of modification. However, from its nascent period to the present, the field has been beset by inconsistencies in researchers' abilities to replicate seemingly established effects. Here we review these many studies, synthesizing the human and nonhuman animal literature, and suggest that these failures-to-replicate reflect a highly complex and delicately balanced memory modification system, the substrates of which must be finely tuned to enable adaptive memory updating while limiting maladaptive, inaccurate modifications. A systematic approach to the entire body of evidence, integrating positive and null findings, will yield a comprehensive understanding of the complex and dynamic nature of long-term memory storage and the potential for harnessing modification processes to treat mental disorders driven by pervasive maladaptive memories.
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Affiliation(s)
- Kristen H Jardine
- Department of Psychology and Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - A Ethan Huff
- Department of Psychology and Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Cassidy E Wideman
- Department of Psychology and Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Shelby D McGraw
- Department of Psychology and Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada
| | - Boyer D Winters
- Department of Psychology and Collaborative Neuroscience Program, University of Guelph, Guelph, ON, Canada.
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