The limited capacity of working memory has sometimes been explained as a limited number of memory “slots”.  Paul Bays argues that working memory capacity is due to sharing of a continuous resource, namely a fixed amount of neural activity.  Noise in this activity is the limiting factor.

Bays, Paul M. “Spikes not slots: noise in neural populations limits working memory.” Trends in Cognitive Sciences (2015).

About the Author

The Miller Lab uses experimental and theoretical approaches to study the neural basis of the high-level cognitive functions that underlie complex goal-directed behavior.