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Working Memory

Working Memory

Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...

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Related Experiment Video

Updated: Apr 7, 2026

Simultaneous Electroencephalography, Real-time Measurement of Lactate Concentration and Optogenetic Manipulation of Neuronal Activity in the Rodent Cerebral Cortex

Simultaneous Electroencephalography, Real-time Measurement of Lactate Concentration and Optogenetic Manipulation of Neuronal Activity in the Rodent Cerebral Cortex

Published on: December 19, 2012

Working memory and blood lactate levels.

Valentina Perciavalle¹, Tiziana Maci², Vincenzo Perciavalle³

¹Department of Sciences of Formation, University of Catania, Catania, Italy.

Neurological Sciences : Official Journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology

|July 15, 2015

Summary

This summary is machine-generated.

High blood lactate levels after intense exercise impair working memory. This study found that both non-spatial and motor working memory declined with increased blood lactate, affecting cognitive function post-exercise.

Keywords:

Blood lactate Man Maximal exercise Working memory

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Published on: August 12, 2016

Area of Science:

Exercise Physiology
Cognitive Neuroscience

Background:

High-intensity exercise elevates blood lactate.
Previous research linked blood lactate to impaired attention.
The impact on working memory remains less understood.

Purpose of the Study:

To investigate the association between high blood lactate levels and working memory capacity.
To evaluate the effects on both non-spatial and motor working memory.

Main Methods:

30 students underwent maximal cycling exercise to induce high blood lactate.
Working memory was assessed using the Self-Ordered Pointing Task (non-spatial) and a motor task.
Measurements were taken pre-exercise, immediately post-exercise, and 15 minutes post-exercise.

Main Results:

Increased blood lactate levels correlated with a decline in working memory performance.
Both non-spatial and motor working memory functions were negatively affected.
The observed impairments persisted for at least 15 minutes post-exercise.

Conclusions:

Elevated blood lactate following exhaustive exercise adversely impacts working memory.
This suggests a broader cognitive effect of lactate accumulation beyond attentional processes.
Further research should explore mechanisms and recovery of cognitive function.