Remembering to forget fear: Augmenting exposure with retrieval-induced forgetting

Area of Science:

• Psychology
• Cognitive Neuroscience
• Clinical Psychology

Background:

• Fear of public speaking is a prevalent issue impacting many individuals.
• Exposure therapy is a common treatment, but enhancing its effects is desirable.
• Retrieval-induced forgetting (RIF) is a memory phenomenon where recalling some information can cause forgetting of related information.

Purpose of the Study:

• To investigate the efficacy of retrieval-induced forgetting (RIF) in reducing fear-related memories in individuals with public speaking fear.
• To determine if RIF can strengthen inhibitory memories following exposure therapy.
• To explore the potential of RIF as an adjunct to exposure-based treatments for phobias.

Main Methods:

• Sixty-four participants with elevated public speaking fear underwent 16 speech exposures.
• Participants practiced recalling positive memories to induce forgetting of negative memories (Inhibitory condition) or a mix of memories (Control condition).
• Memory recall and public speaking fear levels were assessed after the intervention.

Main Results:

• Evidence of retrieval-induced forgetting (RIF) was observed exclusively in the Inhibitory condition.
• No significant difference in the reduction of public speaking fear was found between the Inhibitory and Control groups.
• A positive correlation was found between the degree of RIF demonstrated and the reduction in public speaking fear.

Conclusions:

• This study provides the first evidence for RIF applied to fear-related memories.
• Fear-related memories appear more susceptible to RIF than inhibitory memories.
• Future research should focus on adapting RIF paradigms to enhance the forgetting of fear memories and augment exposure therapy.