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Stage 2 Registered Report: Propositional Thought Is Sufficient for Imaginal Extinction as Shown by Contrasting Participants With Aphantasia, Simulated Aphantasia, and Controls.
Psychophysiology
January 2025
Department of Psychology, University of Bonn, Bonn, Germany.
Imaginal exposure is a standard procedure of cognitive behavioral therapy for the treatment of anxiety and panic disorders. It is often used when in vivo exposure is not possible, too stressful for patients, or would be too expensive. The Bio-Informational Theory implies that imaginal exposure is effective because of the perceptual proximity of mental imagery to real events, whereas empirical findings suggest that propositional thought of fear stimuli (i.
View Article and Find Full Text PDFHoney bees rely on associative stimulus strength after training on an olfactory transitive inference task.
Front Psychol
January 2025
Sorbonne University, CNRS, INSERM, Institute of Biology Paris Seine, Neurosciences Paris Seine, Paris, France.
Transitive inference, the ability to establish hierarchical relationships between stimuli, is typically tested by training with premise pairs (e.g., A + B-, B + C-, C + D-, D + E-), which establishes a stimulus hierarchy (A > B > C > D > E).
View Article and Find Full Text PDFThe power of belief? Evidence of reduced fear extinction learning in Catholic God believers.
Front Public Health
January 2025
Dipartimento di Scienze Cognitive, Psicologiche, Pedagogiche e Degli Studi Culturali, Università di Messina, Messina, Italy.
Religious beliefs can shape how people process fear. Yet the psychophysiological mechanisms underlying this phenomenon remain poorly understood. We investigated fear learning and extinction processes in a group of individuals who professed a belief in God, compared to non-believers.
View Article and Find Full Text PDFStress-enhanced fear learning can be reduced with unconditional stimulus deflation with constraints.
Behav Brain Res
March 2025
Department of Psychological and Brain Sciences, Indiana University, USA. Electronic address:
Exposure to extreme stress can negatively impact behavior and lead to prolonged fear sensitization. These processes can be studied in the lab using stress-enhanced fear learning (SEFL), where prior exposure to inescapable stress exacerbates later contextual fear conditioning. A common method to reduce conditional fear is through extinction, where a conditional stimulus once paired with an unconditional (US; e.
View Article and Find Full Text PDFInhibition of prefrontal glutamatergic neuron activity during the recovery period following chronic stress disrupts fear memory in male rats: potential role of the infralimbic cortex.
Learn Mem
January 2025
Department of Psychology, Arizona State University, Tempe, Arizona 85287, USA
Chronic stress typically leads to deficits in fear extinction. However, when a delay occurs from the end of chronic stress and the start of fear conditioning (a "recovery"), rats show improved context-cue discrimination, compared to recently stressed rats or nonstressed rats. The infralimbic cortex (IL) is important for fear extinction and undergoes neuronal remodeling after chronic stress ends, which could drive improved context-cue discrimination.
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