1
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Hyde J, Farrell LJ, Waters AM. Extinction of negative conditioned stimulus valence in human fear conditioning. Behav Res Ther 2024; 174:104477. [PMID: 38281443 DOI: 10.1016/j.brat.2024.104477] [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: 07/03/2022] [Revised: 12/11/2023] [Accepted: 01/05/2024] [Indexed: 01/30/2024]
Abstract
Fear conditioning is a common experimental paradigm for modelling the development, and exposure-based treatment, of anxiety disorders. Measures of fear such as threat-expectancy, physiological arousal, and fear ratings typically extinguish, however feared stimuli may still be evaluated negatively (i.e. retain negative valence). This systematic review provides the first investigation of the relationship between fear conditioning methodology and extinction of negative stimulus valence. Principal findings were that type of CS (conditioned stimulus) and the CS-US pairing (i.e. specific combination of CS and unconditioned stimulus) predicted extinction outcome. Extinction of absolute negative CS valence was always achieved with shape CSs; often achieved with low fear-relevant animals as CSs, and less frequently achieved with faces as CSs - particularly neutral faces paired with a shock US. Modified extinction procedures typically achieved the same outcome as standard extinction procedures, except for partially-reinforced extinction, which was less effective than standard extinction, and positive imagery training, which was more effective than standard extinction. Further studies are warranted to evaluate the influence of fear conditioning methodology on extinction of absolute negative CS valence.
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Affiliation(s)
- Jamiah Hyde
- School of Applied Psychology, Griffith University, Australia.
| | - Lara J Farrell
- School of Applied Psychology, Griffith University, Australia
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2
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Klein Z, Shner-Livne G, Danon-Kraun S, Ginat-Frolich R, Pine DS, Shechner T. Enhanced late positive potential to conditioned threat cue during delayed extinction in anxious youth. J Child Psychol Psychiatry 2024; 65:215-228. [PMID: 37157184 DOI: 10.1111/jcpp.13814] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/14/2023] [Indexed: 05/10/2023]
Abstract
BACKGROUND Deficits in threat learning relate to anxiety symptoms. Since several anxiety disorders arise in adolescence, impaired adolescent threat learning could contribute to adolescent changes in risk for anxiety. This study compared threat learning among anxious and non-anxious youth using self-reports, peripheral psychophysiology measures, and event-related potentials. Because exposure therapy, the first-line treatment for anxiety disorders, is largely based on principles of extinction learning, the study also examined the link between extinction learning and treatment outcomes among anxious youth. METHODS Clinically anxious (n = 28) and non-anxious (n = 33) youth completed differential threat acquisition and immediate extinction. They returned to the lab a week later to complete a threat generalization test and a delayed extinction task. Following these two experimental visits, anxious youth received exposure therapy for 12 weeks. RESULTS Anxious as compared to non-anxious youth demonstrated elevated cognitive and physiological responses across acquisition and immediate extinction learning, as well as greater threat generalization. In addition, anxious youth showed enhanced late positive potential response to the conditioned threat cue compared to the safety cue during delayed extinction. Finally, aberrant neural response during delayed extinction was associated with poorer treatment outcomes. CONCLUSIONS The study emphasizes differences between anxious and non-anxious youth in threat learning processes and provides preliminary support for a link between neural processing during delayed extinction and exposure-based treatment outcome in pediatric anxiety.
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Affiliation(s)
- Zohar Klein
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - Gil Shner-Livne
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - Shani Danon-Kraun
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - Rivkah Ginat-Frolich
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - Daniel S Pine
- National Institute of Mental Health (NIMH), National Institutes of Health (NIH), Bethesda, MD, USA
| | - Tomer Shechner
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
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3
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Heyn SA, George G, Hamm E, Olson C, Harari JH, Marin MF, Milad MR, Herringa RJ. A proof-of-concept study of vicarious extinction learning and autonomic synchrony in parent-child dyads and posttraumatic stress disorder. Sci Rep 2023; 13:14968. [PMID: 37696866 PMCID: PMC10495332 DOI: 10.1038/s41598-023-41722-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 08/30/2023] [Indexed: 09/13/2023] Open
Abstract
Though threat-extinction models continue to inform scientific study of traumatic stress, knowledge of learning and extinction as mechanisms linking exposure to psychopathology remains critically limited among youth. This proof-of-concept study advances the study of threat-extinction in youth by determining feasibility of electrodermal stimulation (EDS), vicarious extinction learning via their parent, and social threat learning in pediatric PTSD (pPTSD). Typically developing (TD) and PTSD-diagnosed youth in 45 mother-child dyads completed an extinction learning paradigm. The use of EDS was first investigated in a cohort of TD youth (n = 20) using a 2-day paradigm without vicarious extinction, while direct (for TD and pPTSD) and vicarious (for pPTSD) extinction were investigated in a 3-day paradigm (n = 25). Threat acquisition and extinction were monitored using skin-conductance response (SCR) and behavioral expectations of EDS. Using Bayesian modeling to accommodate this pilot sample, our results demonstrate: (1) EDS-conditioning to be highly feasible and well-tolerated across TD and trauma-exposed youth, (2) Successful direct and vicarious extinction learning in trauma-exposed youth, and (3) PTSD-associated patterns in extinction learning and physiological synchrony between parent-child dyads. In summary, these novel approaches have the potential to advance translational studies in the mechanistic understanding of parent-child transmission of risk and youth psychopathology.
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Affiliation(s)
- Sara A Heyn
- Department of Psychiatry, University of Wisconsin-Madison School of Medicine and Public Health, 6001 Research Park Blvd., Madison, WI, 53719, USA.
| | - Grace George
- McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - Emily Hamm
- Department of Counseling Psychology, University of Wisconsin-Madison, Madison, WI, USA
| | - Christy Olson
- Department of Psychiatry, University of Wisconsin-Madison School of Medicine and Public Health, 6001 Research Park Blvd., Madison, WI, 53719, USA
| | - Julia H Harari
- School of Medicine and Public Health, University of Wisconsin-Madison School of Medicine and Public Health, Madison, WI, USA
| | - Marie-France Marin
- Department of Psychology, Université du Québec à Montréal, Montreal, QC, Canada
| | - Mohammed R Milad
- Department of Psychiatry and Behavioral Health, McGovern Medical School, University of Texas Health at Houston, Houston, TX, USA
| | - Ryan J Herringa
- Department of Psychiatry, University of Wisconsin-Madison School of Medicine and Public Health, 6001 Research Park Blvd., Madison, WI, 53719, USA
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4
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Berg F, Margraf J, Wannemüller A. Calibrating your own fears: Feasibility of a remote fear conditioning paradigm with semi-subjective stimulus calibration and differences in fear learning. Learn Behav 2023; 51:246-261. [PMID: 36239878 PMCID: PMC9568901 DOI: 10.3758/s13420-022-00545-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/14/2022] [Indexed: 11/07/2022]
Abstract
Fear conditioning studies have occurred mostly in the laboratory, but recently researchers have started to adapt fear conditioning procedures for remote application. Standardization of aversive stimulus material not causing unnecessarily strong discomfort remains an issue especially relevant to research without experimental supervision. The present study introduces a novel semi-subjective method to calibrate aversive sounds in a remotely conducted fear conditioning paradigm. To demonstrate feasibility and proof of concept, 165 participants completed the paradigm, calibrating the loudness of an aversive sound without the guidance of an experimental instructor. This study also aimed to replicate existing findings of participant groups that differed in their early CS-UCS contingency awareness. Participants were classified as Accurate (UCS more likely after the CS+ than CS-), Poor (UCS more likely after the CS- than CS+, or UCS unlikely after either CS), and Threat Biased (UCS equally likely after the CS+ and CS-). Results indicated both the feasibility and efficacy of the paradigm, with participants showing typical patterns of fear learning. Threat Biased participants showed significantly higher uncertainty towards safety signals. There were no differences between the groups in terms of personality traits, thus questioning whether these attributes mediate differences in fear learning and the emergence of anxiety disorders. Using semi-subjective sound calibration appears to be functional, and future studies may consider implementing the new method when remotely administering fear conditioning paradigms.
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Affiliation(s)
- Frederic Berg
- Mental Health Research and Treatment Center, Ruhr-Universität Bochum, Massenbergstraße 9, 44787, Bochum, Germany.
| | - Jürgen Margraf
- Mental Health Research and Treatment Center, Ruhr-Universität Bochum, Massenbergstraße 9, 44787, Bochum, Germany
| | - André Wannemüller
- Mental Health Research and Treatment Center, Ruhr-Universität Bochum, Massenbergstraße 9, 44787, Bochum, Germany
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5
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Newsome P, Ruiz SG, Gold AL, Pine DS, Abend R. Fear-potentiated startle reveals diminished threat extinction in pathological anxiety. Int J Psychophysiol 2023; 183:81-91. [PMID: 36442665 PMCID: PMC9812922 DOI: 10.1016/j.ijpsycho.2022.11.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 10/13/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Major theories propose that perturbed threat learning is central to pathological anxiety, but empirical support is inconsistent. Failures to detect associations with anxiety may reflect limitations in quantifying conditioned responses to anticipated threat, and hinder translation of theory into empirical work. In prior work, we could not detect threat-specific anxiety effects on states of conditioned threat using psychophysiology in a large sample of patients and healthy comparisons. Here, we examine the utility of an alternative fear potentiated startle (FPS) scoring in revealing associations between anxiety and threat conditioning and extinction in this dataset. Secondary analyses further explored associations among conditioned threat responses, subcortical morphometry, and treatment outcomes. METHODS Youths and adults with anxiety disorders and healthy comparisons (n = 306; 178 female participants; 8-50 years) previously completed a well-validated differential threat learning paradigm. FPS and skin conductance response (SCR) quantified psychophysiological responses during threat conditioning and extinction. In this report, we examined normalizing raw FPS scores to intertrial intervals (ITI) to address challenges in more common approaches to FPS scoring which could mask group effects. Secondary analyses examined associations between FPS and subcortical morphometry and with response to exposure-based cognitive behavioral therapy in a subsample of patients. RESULTS Patients and comparisons showed comparable differential threat conditioning using FPS and SCR. While SCR suggested comparable extinction between groups, FPS revealed stronger retention of threat contingency during extinction in individuals with anxiety disorders. Extinction indexed with FPS was not associated with age, morphometry, or anxiety treatment outcome. CONCLUSION ITI-normalized FPS may have utility in detecting difficulties in extinguishing conditioned threat responses in anxiety. These findings provide support for extinction theories of anxiety and encourage continued research on aberrant extinction in pathological anxiety.
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Affiliation(s)
- Philip Newsome
- Emotion and Development Branch, National Institute of Mental Health (NIMH), National Institutes of Health, Bethesda, MD, USA
| | - Sonia G Ruiz
- Department of Psychology, Yale University, New Haven, CT, USA
| | - Andrea L Gold
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Daniel S Pine
- Emotion and Development Branch, National Institute of Mental Health (NIMH), National Institutes of Health, Bethesda, MD, USA
| | - Rany Abend
- Baruch Ivcher School of Psychology, Reichman University, Israel.
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6
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Stenson AF, France JM, Jovanovic T. Getting Better with Age? A Review of Psychophysiological Studies of Fear Extinction Learning Across Development. Curr Top Behav Neurosci 2023; 64:213-236. [PMID: 37651043 DOI: 10.1007/7854_2023_441] [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] [Indexed: 09/01/2023]
Abstract
A critical developmental task is learning what constitutes reliable threat and safety signals in the environment. In humans, atypical fear learning processes are implicated in many mental health conditions, particularly fear and anxiety disorders, pointing to the potential for laboratory measures of fear learning to facilitate early identification of at-risk individuals. This chapter reviews studies of fear learning and extinction learning that incorporate peripheral measures of psychophysiological response and include a developmental sample. Broadly, these studies indicate substantial consistency in differential learning and extinction across development, as assessed with multiple paradigms, across physiological indices. Importantly, though, response coherence across measures (e.g., physiological, neural, and behavioral) was inconsistent across studies. There was also less consistency in results from studies that probed associations between anxiety and fear learning processes. These mixed findings highlight the need for additional examination of when and why there is variability, both across development and in relation to individual differences factors, including mental health, childhood adversity, and sex. In addition, there remains a need for studies that test for developmental change in extinction recall learning and whether stimulus type impacts learning across development. Longitudinal studies designed to address these questions could provide novel insight into the developmental trajectory of fear learning and extinction.
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Affiliation(s)
- Anaïs F Stenson
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.
| | - John M France
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA
| | - Tanja Jovanovic
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA
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7
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Verbal manipulations of learning expectancy do not enhance reconsolidation. PLoS One 2022; 17:e0241943. [PMID: 35980909 PMCID: PMC9387781 DOI: 10.1371/journal.pone.0241943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 07/11/2022] [Indexed: 11/19/2022] Open
Abstract
Objectives
Pharmacological studies using propranolol suggest that if reactivation signals that new information will be learned (i.e., there is an expectation for learning) reconsolidation can be enhanced. We examined if the verbal instructions to expect new learning will enhance reconsolidation of fear memories using the post-retrieval extinction paradigm.
Methods
On day one, participants (n = 48) underwent differential fear conditioning to two images (CS+ and CS-). On day two, participants were randomly assigned to one of three groups; groups one and two had their memory for the CS+ reactivated (i.e., a single presentation of the CS+) 10 minutes prior to extinction, whereas group three did not have their memory reactivated but went right to extinction (no reactivation group). One reactivation group was told that they would learn something new about the images (expectation for learning group), and the other group was told that they would not learn anything new (no expectation for learning group). On day three, return of fear was measured following reinstatement (i.e., four shocks). Fear potentiated startle (FPS) and skin conductance response (SCR) were measured throughout.
Results
There was evidence of fear acquisition for participants for SCR but not FPS. With regards to reconsolidation, SCR increased for the CS+ and CS-in all groups from the end of extinction to the beginning of re-extinction (i.e., return of fear). For FPS, post-hoc tests conducted on the sub-group of participants showing fear learning showed that FPS remained stable in the two reactivation groups, but increased to the CS+, but not the CS- in the no reactivation group.
Implications
These findings suggest that a verbal manipulation of the expectation for learning may not be salient enough to enhance reconsolidation. Results are discussed in relation to theories on differences in between SCR, as a measure of cognitive awareness, and FPS, as a measure of fear.
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8
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Ney LJ, Laing PAF, Steward T, Zuj DV, Dymond S, Harrison B, Graham B, Felmingham KL. Methodological implications of sample size and extinction gradient on the robustness of fear conditioning across different analytic strategies. PLoS One 2022; 17:e0268814. [PMID: 35609058 PMCID: PMC9128987 DOI: 10.1371/journal.pone.0268814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 05/10/2022] [Indexed: 11/23/2022] Open
Abstract
Fear conditioning paradigms are critical to understanding anxiety-related disorders, but studies use an inconsistent array of methods to quantify the same underlying learning process. We previously demonstrated that selection of trials from different stages of experimental phases and inconsistent use of average compared to trial-by-trial analysis can deliver significantly divergent outcomes, regardless of whether the data is analysed with extinction as a single effect, as a learning process over the course of the experiment, or in relation to acquisition learning. Since small sample sizes are attributed as sources of poor replicability in psychological science, in this study we aimed to investigate if changes in sample size influences the divergences that occur when different kinds of fear conditioning analyses are used. We analysed a large data set of fear acquisition and extinction learning (N = 379), measured via skin conductance responses (SCRs), which was resampled with replacement to create a wide range of bootstrapped databases (N = 30, N = 60, N = 120, N = 180, N = 240, N = 360, N = 480, N = 600, N = 720, N = 840, N = 960, N = 1080, N = 1200, N = 1500, N = 1750, N = 2000) and tested whether use of different analyses continued to produce deviating outcomes. We found that sample size did not significantly influence the effects of inconsistent analytic strategy when no group-level effect was included but found strategy-dependent effects when group-level effects were simulated. These findings suggest that confounds incurred by inconsistent analyses remain stable in the face of sample size variation, but only under specific circumstances with overall robustness strongly hinging on the relationship between experimental design and choice of analyses. This supports the view that such variations reflect a more fundamental confound in psychological science—the measurement of a single process by multiple methods.
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Affiliation(s)
- Luke J. Ney
- School of Psychological Sciences, University of Tasmania, Tasmania, Australia
| | - Patrick A. F. Laing
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne & Melbourne Health, Victoria, Australia
| | - Trevor Steward
- School of Psychological Sciences, University of Melbourne, Victoria, Australia
| | - Daniel V. Zuj
- School of Psychology, Swansea University, Wales, United Kingdom
- * E-mail:
| | - Simon Dymond
- School of Psychology, Swansea University, Wales, United Kingdom
- Department of Psychology, Reykjavik University, Reykjavik, Iceland
| | - Ben Harrison
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne & Melbourne Health, Victoria, Australia
| | - Bronwyn Graham
- School of Psychology, University of New South Wales, New South Wales, Australia
| | - Kim L. Felmingham
- School of Psychological Sciences, University of Melbourne, Victoria, Australia
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9
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Abend R, Burk D, Ruiz SG, Gold AL, Napoli JL, Britton JC, Michalska KJ, Shechner T, Winkler AM, Leibenluft E, Pine DS, Averbeck BB. Computational modeling of threat learning reveals links with anxiety and neuroanatomy in humans. eLife 2022; 11:66169. [PMID: 35473766 PMCID: PMC9197395 DOI: 10.7554/elife.66169] [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: 12/31/2020] [Accepted: 04/25/2022] [Indexed: 11/29/2022] Open
Abstract
Influential theories implicate variations in the mechanisms supporting threat learning in the severity of anxiety symptoms. We use computational models of associative learning in conjunction with structural imaging to explicate links among the mechanisms underlying threat learning, their neuroanatomical substrates, and anxiety severity in humans. We recorded skin-conductance data during a threat-learning task from individuals with and without anxiety disorders (N=251; 8-50 years; 116 females). Reinforcement-learning model variants quantified processes hypothesized to relate to anxiety: threat conditioning, threat generalization, safety learning, and threat extinction. We identified the best-fitting models for these processes and tested associations among latent learning parameters, whole-brain anatomy, and anxiety severity. Results indicate that greater anxiety severity related specifically to slower safety learning and slower extinction of response to safe stimuli. Nucleus accumbens gray-matter volume moderated learning-anxiety associations. Using a modeling approach, we identify computational mechanisms linking threat learning and anxiety severity and their neuroanatomical substrates.
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Affiliation(s)
- Rany Abend
- Emotion and Development Branch, National Institute of Mental Health, Bethesda, United States
| | - Diana Burk
- Laboratory of Neuropsychology, National Institute of Mental Health, Bethesda, United States
| | - Sonia G Ruiz
- Emotion and Development Branch, National Institute of Mental Health, Bethesda, United States
| | - Andrea L Gold
- Department of Psychiatry and Human Behavior, Brown University, Providence, United States
| | - Julia L Napoli
- Laboratory of Neuropsychology, National Institute of Mental Health, Bethesda, United States
| | - Jennifer C Britton
- Department of Psychology, University of Miami, Coral Gables, United States
| | - Kalina J Michalska
- Department of Psychology, University of California, Riverside, Riverside, United States
| | - Tomer Shechner
- Psychology Department, University of Haifa, Haifa, Israel
| | - Anderson M Winkler
- Emotion and Development Branch, National Institute of Mental Health, Bethesda, United States
| | - Ellen Leibenluft
- Emotion and Development Branch, National Institute of Mental Health, Bethesda, United States
| | - Daniel S Pine
- Emotion and Development Branch, National Institute of Mental Health, Besthesda, United States
| | - Bruno B Averbeck
- Laboratory of Neuropsychology, National Institute of Mental Health, Bethesda, United States
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10
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Ney LJ, Luck CC, Waters AM, Lipp OV. Conditional stimulus choices affect fear learning: Comparing fear conditioning with neutral faces and shapes or angry faces. Psychophysiology 2022; 59:e14068. [PMID: 35477888 PMCID: PMC9539915 DOI: 10.1111/psyp.14068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 02/08/2022] [Accepted: 03/11/2022] [Indexed: 12/03/2022]
Abstract
Past fear conditioning studies have used different types of conditional stimuli (CSs). Whether this choice affects learning outcomes in particular when neutral stimuli (e.g., neutral faces vs. shapes) are used is unclear. Data were aggregated across nine studies using an electric shock unconditional stimulus to test for differences in acquisition and extinction of electrodermal responses and self‐reported CS pleasantness when CSs were neutral faces or shapes (Experiment 1, N = 594) and when CSs were angry or neutral faces (Experiment 2, N = 157). Reliable electrodermal conditioning was observed in all stimulus conditions. We found stronger differential conditioning in electrodermal second interval responses and CS pleasantness and more pronounced extinction in CS pleasantness for neutral shape than neutral face CSs, but no differences in electrodermal first interval responses, the most frequently reported index of fear conditioning. For angry and neutral face CSs, there were no differences during acquisition, but the extinction of first and second interval electrodermal conditioning to angry faces was retarded relative to neutral faces. Acquisition of differential CS pleasantness, which was reliably observed for neutral face CSs, was absent for angry face CSs. The current results suggest that fear conditioning with a neutral face and shape CSs yields broadly similar results with differences limited to second interval electrodermal responses and CS pleasantness ratings. Using angry face CSs resulted in impaired extinction of electrodermal indices and no differential CS pleasantness ratings and should only be considered in studies designed to address questions about these specific CS materials. Methodological choices like the nature of the conditional stimulus (CS) may affect fear learning. Here, we document in a very well powered analysis, that differences in fear conditioned to neutral face or shape CSs are limited to anticipatory electrodermal responses and self‐reported CS pleasantness but are not apparent in the more frequently reported electrodermal responses to CS onset. In contrast, differences in fear conditioned to angry and neutral face CSs emerge across indices of fear, in particular during extinction.
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Affiliation(s)
- Luke J Ney
- School of Psychology and Counselling, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Camilla C Luck
- School of Population Health, Curtin University, Perth, Western Australia, Australia
| | - Allison M Waters
- School of Applied Psychology, Griffith University, Brisbane, Queensland, Australia
| | - Ottmar V Lipp
- School of Psychology and Counselling, Queensland University of Technology, Brisbane, Queensland, Australia
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11
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Labrenz F, Spisák T, Ernst TM, Gomes CA, Quick HH, Axmacher N, Elsenbruch S, Timmann D. Temporal dynamics of fMRI signal changes during conditioned interoceptive pain-related fear and safety acquisition and extinction. Behav Brain Res 2022; 427:113868. [PMID: 35364111 DOI: 10.1016/j.bbr.2022.113868] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 03/14/2022] [Accepted: 03/28/2022] [Indexed: 12/18/2022]
Abstract
Associative learning and memory mechanisms drive interoceptive signaling along the gut-brain axis, thus shaping affective-emotional reactions and behavior. Specifically, learning to predict potentially harmful, visceral pain is assumed to succeed within very few trials. However, the temporal dynamics of cerebellar and cerebral fMRI signal changes underlying early acquisition and extinction of learned fear signals and the concomitant evolvement of safety learning remain incompletely understood. 3T fMRI data of healthy individuals from three studies were uniformly processed across the whole brain and the cerebellum including an advanced normalizing method of the cerebellum. All studies employed differential delay conditioning (N=94) with one visual cue (CS+) being repeatedly paired with visceral pain as unconditioned stimulus (US) while a second cue remained unpaired (CS-). During subsequent extinction (N=51), all CS were presented without US. Behavioral results revealed increased CS+-aversiveness and CS--pleasantness after conditioning and diminished valence ratings for both CS following extinction. During early acquisition, the CS- induced linearly increasing neural activation in the insula, midcingulate cortex, hippocampus, precuneus as well as cerebral and cerebellar somatomotor regions. The comparison between acquisition and extinction phases yielded a CS--induced linear increase in the posterior cingulate cortex and precuneus during early acquisition, while there was no evidence for linear fMRI signal changes for the CS+ during acquisition and for both CS during extinction. Based on theoretical accounts of discrimination and temporal difference learning, these results suggest a gradual evolvement of learned safety cues that engage emotional arousal, memory, and cortical modulatory networks. As safety signals are presumably more difficult to learn and to discriminate from learned threat cues, the underlying temporal dynamics may reflect enhanced salience and prediction processing as well as increasing demands for attentional resources and the integration of multisensory information. Maladaptive responses to learned safety signals are a clinically relevant phenotype in multiple conditions, including chronic visceral pain, and can be exceptionally resistant to modification or extinction. Through sustained hypervigilance, safety seeking constitutes one key component in pain and stress-related avoidance behavior, calling for future studies targeting the mechanisms of safety learning and extinction to advance current cognitive-behavioral treatment approaches.
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Affiliation(s)
- Franziska Labrenz
- Department of Medical Psychology and Medical Sociology, Faculty of Medicine, Ruhr University Bochum, Bochum, Germany; Department of Neurology, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, University of Duisburg-Essen, Essen, Germany.
| | - Tamás Spisák
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Thomas M Ernst
- Department of Neurology, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Carlos A Gomes
- Department of Neuropsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr University Bochum, Bochum, Germany
| | - Harald H Quick
- High-Field and Hybrid Magnetic Resonance Imaging, University Hospital Essen, Essen, Germany; Erwin L. Hahn Institute for MR Imaging, University of Duisburg-Essen, Essen, Germany
| | - Nikolai Axmacher
- Department of Neuropsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr University Bochum, Bochum, Germany
| | - Sigrid Elsenbruch
- Department of Medical Psychology and Medical Sociology, Faculty of Medicine, Ruhr University Bochum, Bochum, Germany; Department of Neurology, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Dagmar Timmann
- Department of Neurology, Center for Translational Neuro- and Behavioral Sciences (C-TNBS), University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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12
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Klein Z, Abend R, Shmuel S, Shechner T. Unique Associations between Conditioned Cognitive and Physiological Threat Responses and Facets of Anxiety Symptomatology in Youth. Biol Psychol 2022; 170:108314. [PMID: 35301083 DOI: 10.1016/j.biopsycho.2022.108314] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 11/26/2022]
Abstract
This study examined associations between anxiety symptomatology and cognitive and physiological threat responses during threat learning in a large sample of children and adolescents. Anxiety symptomatology severity along different dimensions (generalized anxiety, separation anxiety, social anxiety, and panic symptoms) was measured using parental and self-reports. Participants completed differential threat acquisition and extinction using an age-appropriate threat conditioning task. They then returned to the lab after 7-10 days to complete an extinction recall task that also assessed threat generalization. Results indicated that more severe overall anxiety was associated with greater cognitive and physiological threat responses during acquisition, extinction, and extinction recall. During acquisition and extinction, all anxiety dimensions manifested greater cognitive threat responses, while panic, separation anxiety, and social anxiety symptoms, but not generalized anxiety, were related to heightened physiological threat responses. In contrast, when we assessed generalization of cognitive threat responses, we found only generalized anxiety symptoms were associated with greater threat response generalization. The study provides preliminary evidence of specificity in threat responses during threat learning across youth with different anxiety symptoms.
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Affiliation(s)
- Zohar Klein
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Israel
| | - Rany Abend
- Emotion and Development Branch, National Institute of Mental Health, Bethesda, MD 20892, USA
| | - Shahar Shmuel
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Israel
| | - Tomer Shechner
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Israel.
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13
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Fear conditioning and stimulus generalization in association with age in children and adolescents. Eur Child Adolesc Psychiatry 2022; 31:1581-1590. [PMID: 33983460 PMCID: PMC9532335 DOI: 10.1007/s00787-021-01797-4] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Accepted: 05/01/2021] [Indexed: 10/26/2022]
Abstract
The aim of the study was to investigate age-related differences in fear learning and generalization in healthy children and adolescents (n = 133), aged 8-17 years, using an aversive discriminative fear conditioning and generalization paradigm adapted from Lau et al. (2008). In the current task, participants underwent 24 trials of discriminative conditioning of two female faces with neutral facial expressions, with (CS+) or without (CS-) a 95-dB loud female scream, presented simultaneously with a fearful facial expression (US). The discriminative conditioning was followed by 72 generalization trials (12 CS+, 12 GS1, 12 GS2, 12 GS3, 12 GS4, and 12 CS-): four generalization stimuli depicting gradual morphs from CS+ to CS- in 20%-steps were created for the generalization phases. We hypothesized that generalization in children and adolescents is negatively correlated with age. The subjective ratings of valence, arousal, and US expectancy (the probability of an aversive noise following each stimulus), as well as skin conductance responses (SCRs) were measured. Repeated-measures ANOVAs on ratings and SCR amplitudes were calculated with the within-subject factors stimulus type (CS+, CS-, GS1-4) and phase (Pre-Acquisition, Acquisition 1, Acquisition 2, Generalization 1, Generalization 2). To analyze the modulatory role of age, we additionally calculated ANCOVAs considering age as covariate. Results indicated that (1) subjective and physiological responses were generally lower with increasing age irrespective to the stimulus quality, and (2) stimulus discrimination improved with increasing age paralleled by reduced overgeneralization in older individuals. Longitudinal follow-up studies are required to analyze fear generalization with regard to brain maturational aspects and clarify whether overgeneralization of conditioned fear promotes the development of anxiety disorders or vice versa.
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14
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Verbalisation of attention regulation strategies and background music enhance extinction learning and retention. Behav Res Ther 2022; 150:104037. [DOI: 10.1016/j.brat.2022.104037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 10/07/2021] [Accepted: 01/11/2022] [Indexed: 11/22/2022]
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15
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Plaisted H, Waite P, Creswell C. Optimising exposure for adolescents with public speaking anxiety: Affect labelling or positive coping statements? Behav Res Ther 2021; 148:103997. [PMID: 34847497 DOI: 10.1016/j.brat.2021.103997] [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: 05/12/2021] [Revised: 09/30/2021] [Accepted: 11/11/2021] [Indexed: 11/02/2022]
Abstract
Cognitive Behavioural Therapy (CBT) is the first line treatment for anxiety disorders in youth however many adolescents do not benefit. Behavioural exposure is believed to be the critical ingredient of CBT and research with adults has shown that labelling affect, but not positive coping statements, enhances exposure outcomes. However, many CBT protocols for young people involve using positive coping statements alongside exposure. We compared the effects of exposure with positive coping statements, affect labelling, and neutral statements on fear responses in adolescents (age 13-14 years) with public speaking anxiety as they delivered a series of speeches in front of a pre-recorded classroom audience. Self-rated anxiety, heart rate, and observer ratings of expressed anxiety were assessed pre-test, immediate post-test and at 1-week follow-up. Neither affect labelling nor positive coping statements enhanced exposure on any measure from pre-test to 1-week follow-up. While there was an initial advantage of exposure with positive coping statements for post-speech self-reported anxiety, this effect was not maintained, and there was a significant increase in anxiety from immediate post-test to 1-week follow-up in this condition, compared to the other conditions. The short-term benefits from generating positive coping statements may explain why this is often employed in the treatment of anxiety problems in young people, but also indicate that it may not confer any advantage in the longer term. These intriguing findings highlight the urgent need for further attention to improve understanding of how to optimise exposure in young people and maximise treatment outcomes.
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Affiliation(s)
- Hannah Plaisted
- School of Psychology, University of Birmingham, UK; School of Psychology and Clinical Language Sciences, University of Reading, UK
| | - Polly Waite
- School of Psychology and Clinical Language Sciences, University of Reading, UK; Department of Experimental Psychology & Department of Psychiatry, University of Oxford, UK.
| | - Cathy Creswell
- Department of Experimental Psychology & Department of Psychiatry, University of Oxford, UK
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16
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Lipp OV, Luck CC, Waters AM. The absence of differential electrodermal responding in the second half of acquisition does not indicate the absence of fear learning. Psychophysiology 2021; 59:e13982. [PMID: 34846758 DOI: 10.1111/psyp.13982] [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: 05/12/2021] [Revised: 11/10/2021] [Accepted: 11/15/2021] [Indexed: 11/30/2022]
Abstract
Many contemporary studies of human fear conditioning exclude participants who fail to show differential electrodermal responding during late stages of acquisition training, deeming them to be non-Learners. The current study examined whether non-Learners, defined as those who fail to show larger electrodermal first interval responses to CS+ than to CS- in the second half of acquisition, show differential electrodermal responding early during acquisition or during extinction or evidence of fear-learning on other measures, including rated CS valence and contingency report. In a sample of 351 participants who completed a standard differential fear-conditioning paradigm that employed electrodermal first and second interval responses (FIR, SIR), continuous CS evaluations, and post-experimental contingency reports to assess fear-learning, 74 participants were identified as non-Learners. These non-Learners displayed overall smaller electrodermal responses but showed evidence for differential conditioning during acquisition in electrodermal FIR (block1) and SIR (blocks 2-3) and in CS evaluations during acquisition (blocks 2-4) and extinction (blocks 1-4). Fifty-nine non-Learners correctly reported the contingencies. A lack of differential electrodermal first interval responding during the second half of acquisition does not indicate the absence of fear-learning. Rather, this criterion appears to capture participants who exhibit low physiological arousal and performance decrements toward the end of acquisition. Applying criteria based on "end of acquisition" electrodermal responding to determine "non-learning" results in the exclusion of participants who display fear-learning at other experimental stages or in other measures.
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Affiliation(s)
- Ottmar V Lipp
- School of Psychology and Counselling, Queensland University of Technology, Brisbane, Queensland, Australia
| | - Camilla C Luck
- School of Population Health, Curtin University, Perth, Western Australia, Australia
| | - Allison M Waters
- School of Applied Psychology, Griffith University, Nathan, Queensland, Australia
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17
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Bisby MA, Stylianakis AA, Baker KD, Richardson R. Fear extinction learning and retention during adolescence in rats and mice: A systematic review. Neurosci Biobehav Rev 2021; 131:1264-1274. [PMID: 34740753 DOI: 10.1016/j.neubiorev.2021.10.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 10/20/2021] [Accepted: 10/29/2021] [Indexed: 10/19/2022]
Abstract
Despite exposure-based treatments being recommended for anxiety disorders, these treatments are ineffective for over half of all adolescents who receive them. The limited efficacy of exposure during adolescence may be driven by a deficit in extinction. Although indications of diminished extinction learning during adolescence were first reported over 10 years ago, these findings have yet to be reviewed and compared. This review (k = 34) found a stark inter-species difference in extinction performance: studies of adolescent mice reported deficits in extinction learning and retention of both cued and context fear. In contrast, studies of adolescent rats only reported poor extinction retention specific to cued fear. Adolescent mice and rats appeared to have only one behavioral outcome in common, being poor extinction retention of cued fear. These findings suggest that different behavioral phenotypes are present across rodent species in adolescence and highlight that preclinical work in rats and mice is not interchangeable. Further investigation of these differences offers the opportunity to better understand the etiology, maintenance, and treatment of fear-based disorders.
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Affiliation(s)
- Madelyne A Bisby
- School of Psychology, UNSW Sydney, Sydney, 2052, NSW, Australia; eCentreClinic, School of Psychological Sciences, Faculty of Medicine and Health, Macquarie University, Sydney, 2109, NSW, Australia.
| | | | - Kathryn D Baker
- School of Psychology, UNSW Sydney, Sydney, 2052, NSW, Australia
| | - Rick Richardson
- School of Psychology, UNSW Sydney, Sydney, 2052, NSW, Australia
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18
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Klein Z, Berger S, Vervliet B, Shechner T. Fear learning, avoidance, and generalization are more context-dependent for adults than adolescents. Behav Res Ther 2021; 147:103993. [PMID: 34740098 DOI: 10.1016/j.brat.2021.103993] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 10/13/2021] [Accepted: 10/26/2021] [Indexed: 01/02/2023]
Abstract
This study examined developmental differences in contextual and perceptual generalization of fear and avoidance learning. Adults (N = 39) and adolescents (N = 44) completed differential fear acquisition wherein each conditional stimulus (CS) appeared in a background context. In the dangerous context, one stimulus (CS+) predicted an aversive sound, and the other stimulus (CS-) did not. In the safe context, the aversive sound was never administered with either CS. During fear generalization, participants were presented with three generalization stimuli (GSs), ranging on a perceptual continuum from threat to safety stimuli, in both contexts. Participants then completed avoidance conditioning and avoidance generalization phases, allowing them to actively avoid the upcoming aversive sound by pressing an avoidance button. Developmental differences emerged in threat perception, physiological arousal, avoidance behavior, and eye movements during contextual fear learning and generalization. Adolescents showed less discrimination between stimuli and contexts than adults, resulting primarily from their elevated fear responses to safety and generalized stimuli. Developmental differences in fear learning should be further explored in future research, as they could explain why adolescence is a sensitive developmental period for anxiety.
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Affiliation(s)
- Zohar Klein
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Israel
| | - Smadar Berger
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Israel
| | - Bram Vervliet
- Laboratory for Biological Psychology, KU Leuven, Belgium; Leuven Brain Institute, KU Leuven, Belgium
| | - Tomer Shechner
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Israel.
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19
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Danon-Kraun S, Horovitz O, Frenkel T, Richter-Levin G, Pine DS, Shechner T. Return of fear following extinction in youth: An event-related potential study. Dev Psychobiol 2021; 63:e22189. [PMID: 34674235 DOI: 10.1002/dev.22189] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 07/16/2021] [Accepted: 08/19/2021] [Indexed: 11/09/2022]
Abstract
The ability to learn to differentiate safety from danger matures gradually, particularly when such learning occurs over an extended time period. And yet, most research on fear learning examines the early phases of such learning and mainly in adults. The current study examined fear conditioning and extinction, as well as one form of extended learning, return of fear (ROF). Thirty-three typically developing children (age range: 7-14 years) completed fear conditioning and extinction; self-reports and psychophysiological indices were measured at this point. Two weeks later, children completed a ROF test (n = 23), and event-related potentials (ERPs) were recorded. Results indicated successful fear acquisition and extinction. Moreover, participants reported greater fear of the conditioned stimulus (CS+) than the safety stimulus (CS-) in the ROF test 2 weeks later. In electrophysiology data, ROF manifested as a larger late positive potential (LPP) response to the CS+ than the CS-. Finally, these differences in LPP responses were positively correlated with poorer extinction, as indicated by the GSR responses 2 weeks earlier. This is the first ERP study to demonstrate ROF in children. The LPP measure may index an interplay between inhibitory and excitatory brain-related processes underlying the long-term effects of fear learning.
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Affiliation(s)
- Shani Danon-Kraun
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - Omer Horovitz
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel.,Psychology Department, Tel-Hai College, Tel-Hai, Israel
| | - Tahl Frenkel
- Ziama Arkin Infancy Institute, Baruch Ivcher School of Psychology, Interdisciplinary Center (IDC), Herzliya, Israel
| | - Gal Richter-Levin
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
| | - Daniel S Pine
- Section on Development and Affective Neuroscience, National Institute of Mental Health, Bethesda, Maryland, USA
| | - Tomer Shechner
- School of Psychological Sciences and the Integrated Brain and Behavior Research Center, University of Haifa, Haifa, Israel
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20
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Masters M, Zimmer-Gembeck MJ, Farrell LJ, Modecki KL. Coping and emotion regulation in response to social stress tasks among young adolescents with and without social anxiety. APPLIED DEVELOPMENTAL SCIENCE 2021. [DOI: 10.1080/10888691.2021.1990060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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21
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Moriishi C, Maeda S, Ogishima H, Shimada H. Effects of cortisol on retrieval of extinction memory in individuals with social anxiety. COMPREHENSIVE PSYCHONEUROENDOCRINOLOGY 2021; 7:100060. [PMID: 35757066 PMCID: PMC9216654 DOI: 10.1016/j.cpnec.2021.100060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 04/20/2021] [Accepted: 05/20/2021] [Indexed: 10/27/2022] Open
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22
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Laing PAF, Harrison BJ. Safety learning and the Pavlovian conditioned inhibition of fear in humans: Current state and future directions. Neurosci Biobehav Rev 2021; 127:659-674. [PMID: 34023357 DOI: 10.1016/j.neubiorev.2021.05.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 05/07/2021] [Accepted: 05/17/2021] [Indexed: 01/02/2023]
Abstract
Safety learning occurs when an otherwise neutral stimulus comes to signal the absence of threat, allowing organisms to use safety information to inhibit fear and anxiety in nonthreatening environments. Although it continues to emerge as a topic of relevance in biological and clinical psychology, safety learning remains inconsistently defined and under-researched. Here, we analyse the Pavlovian conditioned inhibition paradigm and its application to the study of safety learning in humans. We discuss existing studies; address outstanding theoretical considerations; and identify prospects for its further application. Though Pavlovian conditioned inhibition presents a theoretically sound model of safety learning, it has been investigated infrequently, with decade-long interims between some studies, and notable methodological variability. Consequently, we argue that the full potential of conditioned inhibition as a model for human safety learning remains untapped, and propose that it could be revisited as a framework for addressing timely questions in the behavioural and clinical sciences.
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Affiliation(s)
- Patrick A F Laing
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Victoria, Australia.
| | - Ben J Harrison
- Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Victoria, Australia.
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23
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Treanor M, Rosenberg BM, Craske MG. Pavlovian Learning Processes in Pediatric Anxiety Disorders: A Critical Review. Biol Psychiatry 2021; 89:690-696. [PMID: 33220917 PMCID: PMC9027721 DOI: 10.1016/j.biopsych.2020.09.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 08/12/2020] [Accepted: 09/06/2020] [Indexed: 12/31/2022]
Abstract
Deficits in associative and Pavlovian learning are thought to lie at the center of anxiety-related disorders. However, the majority of studies have been carried out in adult populations. The aim of this review was to critically examine the behavioral and neuroimaging literature on Pavlovian learning in pediatric anxiety disorders. We conclude that although there is evidence for deficits in Pavlovian processes (e.g., heightened reactivity to safety cues in anxious samples), the extant literature suffers from key methodological and theoretical issues. We conclude with theoretical and methodological recommendations for future research in order to further elucidate the role of Pavlovian learning in the etiology, maintenance, and treatment of pediatric anxiety disorders.
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Affiliation(s)
- Michael Treanor
- Department of Psychology, University of California, Los Angeles, Los Angeles, California
| | - Benjamin M Rosenberg
- Department of Psychology, University of California, Los Angeles, Los Angeles, California
| | - Michelle G Craske
- Department of Psychology, University of California, Los Angeles, Los Angeles, California; Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, California.
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24
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Ryan KM, Neumann DL, Waters AM. Does the assessment of different combinations of within-phase subjective measures influence electrodermal responding and between-phase subjective ratings during fear conditioning and extinction experiments? Biol Psychol 2021; 162:108085. [PMID: 33775735 DOI: 10.1016/j.biopsycho.2021.108085] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 03/21/2021] [Accepted: 03/22/2021] [Indexed: 01/23/2023]
Abstract
The type and number of dependent measures assessed have varied between fear conditioning and extinction experiments and it remains unclear whether methodological differences influence results. Measuring skin conductance responses (SCRs) and between-phase subjective ratings between four conditions; Con condition had no within-phase ratings; US Exp condition included within-phase US expectancy ratings only; CS Eval condition included within-phase CS evaluations only and All Meas condition included both. All Meas condition exhibited larger SCRs compared to other conditions during acquisition, extinction, and return of differential responding at test. Differential SCRs did not extinguish in CS Eval and Con conditions, and CS Eval condition exhibited smaller CS- SCRs than other conditions throughout phases. US Exp condition revealed differential conditioning, successful extinction, and no return of differential SCRs. Between-phase ratings were not affected by within-phase ratings. Researchers should consider assessing different combinations of within-phase subjective ratings depending on the aims of their research.
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Affiliation(s)
| | - David L Neumann
- School of Applied Psychology, Griffith University, Australia
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25
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Abend R, Bajaj MA, Harrewijn A, Matsumoto C, Michalska KJ, Necka E, Palacios-Barrios EE, Leibenluft E, Atlas LY, Pine DS. Threat-anticipatory psychophysiological response is enhanced in youth with anxiety disorders and correlates with prefrontal cortex neuroanatomy. J Psychiatry Neurosci 2021; 46:E212-E221. [PMID: 33703868 PMCID: PMC8061736 DOI: 10.1503/jpn.200110] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/27/2020] [Accepted: 09/14/2020] [Indexed: 12/27/2022] Open
Abstract
Background Threat anticipation engages neural circuitry that has evolved to promote defensive behaviours; perturbations in this circuitry could generate excessive threat-anticipation response, a key characteristic of pathological anxiety. Research into such mechanisms in youth faces ethical and practical limitations. Here, we use thermal stimulation to elicit pain-anticipatory psychophysiological response and map its correlates to brain structure among youth with anxiety and healthy youth. Methods Youth with anxiety (n = 25) and healthy youth (n = 25) completed an instructed threat-anticipation task in which cues predicted nonpainful or painful thermal stimulation; we indexed psychophysiological response during the anticipation and experience of pain using skin conductance response. High-resolution brain-structure imaging data collected in another visit were available for 41 participants. Analyses tested whether the 2 groups differed in their psychophysiological cue-based pain-anticipatory and pain-experience responses. Analyses then mapped psychophysiological response magnitude to brain structure. Results Youth with anxiety showed enhanced psychophysiological response specifically during anticipation of painful stimulation (b = 0.52, p = 0.003). Across the sample, the magnitude of psychophysiological anticipatory response correlated negatively with the thickness of the dorsolateral prefrontal cortex (pFWE < 0.05); psychophysiological response to the thermal stimulation correlated positively with the thickness of the posterior insula (pFWE < 0.05). Limitations Limitations included the modest sample size and the cross-sectional design. Conclusion These findings show that threat-anticipatory psychophysiological response differentiates youth with anxiety from healthy youth, and they link brain structure to psychophysiological response during pain anticipation and experience. A focus on threat anticipation in research on anxiety could delineate relevant neural circuitry.
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Affiliation(s)
- Rany Abend
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Mira A Bajaj
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Anita Harrewijn
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Chika Matsumoto
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Kalina J Michalska
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Elizabeth Necka
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Esther E Palacios-Barrios
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Ellen Leibenluft
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Lauren Y Atlas
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
| | - Daniel S Pine
- From the Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD (Abend, Bajaj, Harrewijn, Matsumoto, Leibenluft, Pine); the Department of Psychology, University of California Riverside, Riverside, CA (Michalaska); the 3 National Center for Complementary and Integrative Health, National Institutes of Health, Bethesda, MD (Necka, Atlas); and the 1 Department of Psychology, University of Pittsburgh, Pittsburgh, PA (Palacios-Barrios)
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26
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Harrewijn A, Kitt ER, Abend R, Matsumoto C, Odriozola P, Winkler AM, Leibenluft E, Pine DS, Gee DG. Comparing neural correlates of conditioned inhibition between children with and without anxiety disorders - A preliminary study. Behav Brain Res 2021; 399:112994. [PMID: 33160010 PMCID: PMC7855938 DOI: 10.1016/j.bbr.2020.112994] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 10/26/2020] [Accepted: 10/29/2020] [Indexed: 12/21/2022]
Abstract
Cognitive-behavioral therapy (CBT), a first-line treatment for pediatric anxiety disorders, is based on principles of threat learning and extinction. However, CBT does not work sufficiently for up to 40% of clinically anxious youth. The neural and behavioral correlates of conditioned inhibition might provide promising targets for attempts to improve CBT response. During conditioned inhibition, threat and safety cues appear together, forming a safety compound. Here, we test whether this safety compound elicits a reduced fear response compared to pairing the threat cue with a novel cue (novel compound). The current pilot study compares behavioral, physiological, and neural correlates of conditioned inhibition between children with (n = 17, Mage = 13.09, SDage = 3.05) and without (n = 18, Mage = 14.49, SDage = 2.38) anxiety disorders. Behavioral and physiological measures did not differ between children with and without anxiety disorders during fear acquisition. During testing, children with anxiety disorders showed overall higher skin conductance response and expected to hear the aversive sound following the novel compound more often than children without anxiety disorders. Children with anxiety disorders showed more activity in the right ventromedial prefrontal cortex (vmPFC) to the safety versus novel compound. Children without anxiety disorders showed the opposite pattern - more right vmPFC activity to the novel versus safety compound (F(1,31) = 5.40, p = 0.03). No group differences manifested within the amygdala, dorsal anterior cingulate cortex, or hippocampus. These pilot findings suggest a feasible approach for examining conditioned inhibition in pediatric anxiety disorders. If replicated in larger samples, findings may implicate perturbed conditioned inhibition in pediatric anxiety disorders and provide targets for CBT.
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Affiliation(s)
- Anita Harrewijn
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA.
| | - Elizabeth R Kitt
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA
| | - Rany Abend
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA
| | - Chika Matsumoto
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA
| | - Paola Odriozola
- Department of Psychology, Yale University, 2 Hillhouse Avenue, New Haven, Connecticut 06511, USA
| | - Anderson M Winkler
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA
| | - Ellen Leibenluft
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA
| | - Daniel S Pine
- Emotion and Development Branch, National Institute of Mental Health, 9000 Rockville Pike, Bethesda, Maryland 20892, USA
| | - Dylan G Gee
- Department of Psychology, Yale University, 2 Hillhouse Avenue, New Haven, Connecticut 06511, USA
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Stenson AF, Nugent NR, van Rooij SJH, Minton ST, Compton AB, Hinrichs R, Jovanovic T. Puberty drives fear learning during adolescence. Dev Sci 2020; 24:e13000. [PMID: 32497415 DOI: 10.1111/desc.13000] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Revised: 03/16/2020] [Accepted: 05/07/2020] [Indexed: 12/13/2022]
Abstract
Risk for adverse outcomes, including the onset of mental illness, increases during adolescence. This increase may be linked to both new exposures, such as violence at home or in the community, or to physiological changes driven by puberty. There are significant sex differences in adolescent risk, for instance, anxiety disorders are significantly more prevalent in girls than boys. Fear learning is linked to mental health and may develop during adolescence, but the role of puberty in adolescent-specific change has not yet been systematically evaluated. We conducted a longitudinal study of fear learning that tested fear-potentiated startle (FPS) in 78 children (40 girls) aged 8-16 years. Participants completed two to three visits that included a differential fear conditioning task and self-report of both pubertal status and violence exposure. We tested for effects of sex, pubertal status, and violence exposure on FPS over time with latent growth curve models. We also examined the association between FPS and later anxiety symptoms. We found significant changes in FPS to the threat cue, but not the safety cue, across visits. Higher pubertal status was significantly associated with increased FPS to threat cues at each visit, whereas sex and violence exposure were not. FPS to threat during the baseline visit also predicted later anxiety symptoms. These findings suggest that puberty drives increased fear response to threat cues similarly for girls and boys, and that this effect may not be significantly impacted by individual differences in violence exposure during early adolescence.
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Affiliation(s)
- Anaïs F Stenson
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Nicole R Nugent
- Departments of Psychiatry and Human Behavior, Pediatrics, and Emergency Medicine, Warren Alpert Medical School of Brown University, Providence, RI, USA
| | - Sanne J H van Rooij
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Sean T Minton
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Alisha B Compton
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Rebecca Hinrichs
- Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
| | - Tanja Jovanovic
- Department of Psychiatry and Behavioral Neurosciences, Wayne State University School of Medicine, Detroit, MI, USA.,Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, GA, USA
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28
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The effects of age and trait anxiety on avoidance learning and its generalization. Behav Res Ther 2020; 129:103611. [DOI: 10.1016/j.brat.2020.103611] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 02/03/2020] [Accepted: 03/23/2020] [Indexed: 02/05/2023]
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Abend R, Gold AL, Britton JC, Michalska KJ, Shechner T, Sachs JF, Winkler AM, Leibenluft E, Averbeck BB, Pine DS. Anticipatory Threat Responding: Associations With Anxiety, Development, and Brain Structure. Biol Psychiatry 2020; 87:916-925. [PMID: 31955915 PMCID: PMC7211142 DOI: 10.1016/j.biopsych.2019.11.006] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 10/16/2019] [Accepted: 11/07/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND While translational theories link neurodevelopmental changes in threat learning to pathological anxiety, findings from studies in patients inconsistently support these theories. This inconsistency may reflect difficulties in studying large patient samples with wide age ranges using consistent methods. A dearth of imaging data in patients further limits translational advances. We address these gaps through a psychophysiology and structural brain imaging study in a large sample of patients across the lifespan. METHODS A total of 351 participants (8-50 years of age; 209 female subjects; 195 healthy participants and 156 medication-free, treatment-seeking patients with anxiety) completed a differential threat conditioning and extinction paradigm that has been validated in pediatric and adult populations. Skin conductance response indexed psychophysiological response to conditioned (CS+, CS-) and unconditioned threat stimuli. Structural magnetic resonance imaging data were available for 250 participants. Analyses tested anxiety and age associations with psychophysiological response in addition to associations between psychophysiology and brain structure. RESULTS Regardless of age, patients and healthy comparison subjects demonstrated comparable differential threat conditioning and extinction. The magnitude of skin conductance response to both conditioned stimulus types differentiated patients from comparison subjects and covaried with dorsal prefrontal cortical thickness; structure-response associations were moderated by anxiety and age in several regions. Unconditioned responding was unrelated to anxiety and brain structure. CONCLUSIONS Rather than impaired threat learning, pathological anxiety involves heightened skin conductance response to potential but not immediately present threats; this anxiety-related potentiation of anticipatory responding also relates to variation in brain structure. These findings inform theoretical considerations by highlighting anticipatory response to potential threat in anxiety.
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Affiliation(s)
- Rany Abend
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland.
| | - Andrea L. Gold
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, Providence, RI; Pediatric Anxiety Research Center, Bradley Hospital, Riverside, RI
| | | | | | - Tomer Shechner
- Psychology Department, University of Haifa, Haifa, Israel
| | | | - Anderson M. Winkler
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD
| | - Ellen Leibenluft
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD
| | - Bruno B. Averbeck
- Laboratory of Neuropsychology, National Institute of Mental Health, National Institutes of
Health, Bethesda, MD
| | - Daniel S. Pine
- Emotion and Development Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD
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Gold AL, Abend R, Britton JC, Behrens B, Farber M, Ronkin E, Chen G, Leibenluft E, Pine DS. Age Differences in the Neural Correlates of Anxiety Disorders: An fMRI Study of Response to Learned Threat. Am J Psychiatry 2020; 177:454-463. [PMID: 32252541 PMCID: PMC9078083 DOI: 10.1176/appi.ajp.2019.19060650] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
OBJECTIVE Although both pediatric and adult patients with anxiety disorders exhibit similar neural responding to threats, age-related differences have been found in some functional MRI (fMRI) studies. To reconcile disparate findings, the authors compared brain function in youths and adults with and without anxiety disorders while rating fear and memory of ambiguous threats. METHODS Two hundred medication-free individuals ages 8-50 were assessed, including 93 participants with an anxiety disorder. Participants underwent discriminative threat conditioning and extinction in the clinic. Approximately 3 weeks later, they completed an fMRI paradigm involving extinction recall, in which they rated their levels of fear evoked by, and their explicit memory for, morph stimuli with varying degrees of similarity to the extinguished threat cues. RESULTS Age moderated two sets of anxiety disorder findings. First, as age increased, healthy subjects compared with participants with anxiety disorders exhibited greater amygdala-ventromedial prefrontal cortex (vmPFC) connectivity when processing threat-related cues. Second, age moderated diagnostic differences in activation in ways that varied with attention and brain regions. When rating fear, activation in the vmPFC differed between the anxiety and healthy groups at relatively older ages. In contrast, when rating memory for task stimuli, activation in the inferior temporal cortex differed between the anxiety and healthy groups at relatively younger ages. CONCLUSIONS In contrast to previous studies that demonstrated age-related similarities in the biological correlates of anxiety disorders, this study identified age differences. These findings may reflect this study's focus on relatively late-maturing psychological processes, particularly the appraisal and explicit memory of ambiguous threat, and inform neurodevelopmental perspectives on anxiety.
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Affiliation(s)
- Andrea L. Gold
- Department of Psychiatry and Human Behavior, Warren Alpert Medical School of Brown University, and Pediatric Anxiety Research Center, Bradley Hospital, Riverside, R.I
| | - Rany Abend
- Emotion and Development Branch, NIMH, Bethesda, Md
| | | | | | | | - Emily Ronkin
- Emotion and Development Branch, NIMH, Bethesda, Md
| | - Gang Chen
- Scientific and Statistical Computing Core, NIMH, Bethesda, Md
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Waters AM, LeBeau RT, Young KS, Dowell TL, Ryan KM. Towards the enhancement of quality publication practices in clinical psychological science. Behav Res Ther 2019; 124:103499. [PMID: 31751896 DOI: 10.1016/j.brat.2019.103499] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 10/09/2019] [Accepted: 10/21/2019] [Indexed: 12/20/2022]
Abstract
Addressing the 'replication crisis' and questionable research practices are at the forefront of international research agendas in clinical psychological science. The aim of this paper is to consider how the quality of research practices can be improved by a specific focus on publication practices. Currently, the responsibility for documenting quality research practices is primarily placed on authors. However, barriers to improved quality publication practices cut across all levels of the research community and require a broader approach that shares the burden for ensuring the production of high quality publications. We describe a framework that is intended to be ambitious and aspirational and encourage discussion and adoption of strategies to improve quality publication practices (QPPs). The framework cuts across multiple stakeholders and is designed to enhance (a) the quality of reporting; (b) adherence to protocols and guidelines; (c) timely accessibility of study materials and data. We discuss how QPPs might be improved by (a) funding bodies considering formally supporting QPPs; (b) research institutions encouraging a research culture that espouses quality research practices, and internally supporting QPP review processes and professional development in QPPs; (c) journals expanding editorial teams to include reviewers with design and statistical expertise, considering strategies to enhance QPP adherence during the peer review process, and committing to ongoing assessment and development of QPP training for peer reviewers; and (d) authors and peer reviewers integrating QPPs during the manuscript preparation/peer review process, engaging in ongoing QPP training, and committing to openness and transparency initiatives. We discuss the current state and potential next steps within each stage of the framework and provide information and resources to enhance QPPs. We hope that the suggestions offered here inspire research institutions, leaders and faculty to discuss, reflect on, and take action towards, integrating these, or other, QPPs into their research practice and workplace.
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Affiliation(s)
| | - Richard T LeBeau
- Department of Psychology, University of California, Los Angeles, USA
| | - Katherine S Young
- Social, Genetic and Developmental Psychiatry (SGDP) Centre, Kings College, London, UK
| | - Tiah L Dowell
- School of Applied Psychology, Griffith University, Australia
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