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Effects of Games on Memory Reconsolidation and Trauma Symptoms

The University of Texas System (UT) logo

The University of Texas System (UT)

Status

Enrolling

Conditions

Posttraumatic Stress Disorder
Trauma

Treatments

Behavioral: Word Association Task (WAT)
Behavioral: Visuospatial Task (VST)

Study type

Interventional

Funder types

Other

Identifiers

NCT06129435
STUDY00005088

Details and patient eligibility

About

The purpose of this study is to investigate the effects of a visuospatial task on memory reconsolidation and trauma symptoms for trauma-exposed individuals after exposure to traumatic memory reactivation paradigm.

Full description

It is estimated that over 70% of individuals worldwide have experienced a trauma within their lifetime. Many people spontaneously recover without formal intervention or treatment after exposure to a traumatic event, however, some individuals may develop intrusive trauma-related memories, avoidance, negative changes in cognitions or mood, or changes in arousal and reactivity, resulting in clinical or sub-clinical symptoms of posttraumatic stress disorder (PTSD). Although empirically supported trauma-focused treatments currently exist (e.g., Prolonged Exposure Therapy, Cognitive Processing Therapy), they are typically economically expensive, time consuming, require therapy sessions with a specialized provider, and have moderate to high nonresponse and dropout rates (20-50%). As such, there is a need for novel and palatable prevention and treatment strategies for PTSD.

Innovative preclinical research has revealed that, after memory retrieval, previously consolidated memories temporarily enter a labile state and become vulnerable to pharmacological and behavioral disruptors. The impermanence of memory has potential clinical applications for the secondary prevention and treatment of memory-based psychiatric disorders (e.g., anxiety disorder and PTSD). Several randomized controlled experiments with healthy volunteers have shown that engaging in a taxing visuospatial task (playing the game Tetris) 24 hours, or up to four days, after viewing traumatic film (analogue trauma) significantly reduced the subsequent number of intrusive memories relative to those who completed no task or who played a control game. Similar findings have been replicated among individuals with PTSD. One study found that participants with complex and longstanding PTSD demonstrated a decrease in intrusive trauma memories after undergoing a trauma memory reminder and playing Tetris for 25 minutes in an inpatient treatment setting. Similarly, participants with a history of traumatic birth who underwent a trauma memory reminder and a single session of Tetris gameplay displayed significant reduction of intrusive memory frequency at one-month follow-up. Taken together, these findings suggest that visuospatial disruptors (i.e., playing Tetris) may have clinical utility in preventing or treating PTSD.

The overarching objective of this study is to investigate the effects of a visuospatial task on memory reconsolidation and trauma symptoms among trauma-exposed individuals after exposure to a trauma memory reactivation paradigm. To accomplish this, the investigators will conduct a three-arm placebo-controlled randomized clinical trial. The three treatment conditions of the proposed study are: (1) visuospatial task (VST); (2) word association task (WAT); or (3) no treatment control condition (NT-CTRL).

The current study intends to expound upon this emerging area of research by conducting a randomized controlled trial investigating the effects of behavioral disruptors (i.e., playing Tetris, playing a word association game, or no-game play control) after a trauma memory reactivation procedure among a trauma-exposed population.

Enrollment

120 estimated patients

Sex

All

Ages

18 to 65 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Adults aged 18 to 65
  • Fluent in written and spoken English
  • Has access to the internet
  • Access to a computer (laptop or desktop) with a camera that has video and audio recording capability
  • History of trauma exposure to either a motor vehicle (MVC), sexual assault, physical assault, or combat.

Exclusion criteria

  • Insufficient emotional reactivity to the trauma memory reactivation video clip (<5 the Peak Subjective Units of Distress Scale)
  • Presence of significant suicidality or a history of a suicide attempt within the past 6 months
  • History of psychosis within the past 6 months
  • Changes in psychotropic medication (≤ 8 weeks)
  • Currently receiving trauma-focused psychotherapy

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

Triple Blind

120 participants in 3 patient groups

Visuospatial Task (VST)
Experimental group
Treatment:
Behavioral: Visuospatial Task (VST)
Word Association Task (WAT)
Sham Comparator group
Treatment:
Behavioral: Word Association Task (WAT)
No Game Play (NT-CTRL)
No Intervention group

Trial contacts and locations

1

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Central trial contact

Michael J Telch, PhD; Estrella V Thomas, MA

Data sourced from clinicaltrials.gov

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