Intertemporal meditation regulates time perception and emotions: an exploratory fNIRS study

Area of Science:

• Psychology
• Neuroscience

Background:

• Mental time travel, or episodic future thinking, influences present behavior.
• Previous research focused on single time points, neglecting the impact of extended future projection.

Purpose of the Study:

• To investigate the effects of repeated mental time travel to the end of life on time perception and emotional states.
• To introduce and evaluate a novel technique: intertemporal meditation.

Main Methods:

• A within-subject design was employed, comparing pre- and post-meditation measures.
• Functional near-infrared spectroscopy (fNIRS) was used to record brain activity.
• Participants underwent both mindfulness meditation and intertemporal meditation conditions.

Main Results:

• Intertemporal meditation significantly shortened time perception and increased feelings of peace while reducing anxiety.
• fNIRS data showed greater overall brain activation with intertemporal meditation compared to mindfulness meditation.
• Left-lateralized activation was observed in prefrontal regions (DLPFC, anterior PFC, OFC) related to emotion regulation and cognitive control.
• Right-lateralized activation in Broca's area and middle temporal gyrus suggested enhanced social cue and autobiographical memory processing.

Conclusions:

• Intertemporal meditation offers adaptive benefits for emotion regulation.
• The technique shows potential for improving cognitive control functions.
• Repeated mental time travel to life's end can alter psychological and neural processing.