Effects of working memory on naturally occurring cravings

Area of Science:

• Cognitive Psychology
• Neuroscience of Addiction

Background:

• Elaborated Intrusion (EI) theory suggests visuospatial working memory (WM) is crucial for craving.
• Previous research indicates WM tasks can reduce naturally occurring cravings.

Purpose of the Study:

• To investigate the specific role of visuospatial WM in attenuating cravings.
• To determine if verbal WM or simple distraction can also reduce craving.

Main Methods:

• Two experiments were conducted to assess the impact of different WM tasks on subjective craving ratings.
• Experiment 1 compared visuospatial WM, verbal WM, and baseline craving.
• Experiment 2 compared visuospatial WM, a low-demand video control, and baseline craving.

Main Results:

• Both visuospatial and verbal WM tasks significantly attenuated subjective craving ratings equally.
• A visuospatial WM task showed greater craving attenuation compared to a simple distraction control (watching a video).
• Craving reduction was observed across different WM demands, not solely dependent on visuospatial processing.

Conclusions:

• Working memory plays a significant role in reducing naturally occurring cravings.
• The findings suggest that the attentional demands of WM tasks, rather than specific visuospatial processing, are responsible for craving attenuation.
• These results challenge the strict visuospatial component of EI theory regarding craving reduction.