Journal
CURRENT OPINION IN NEUROBIOLOGY
Volume 67, Issue -, Pages 85-94Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.conb.2020.09.007
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Funding
- Wellcome Trust [203139/Z/16/Z]
- Medical Research Council Support Fund [0007094]
- Medical Research Council (MRC) UK [MC_UU_00003/4]
- BBSRC [BB/N00597X/1, BB/S007741/1] Funding Source: UKRI
- MRC [MC_UU_00003/4, MC_UU_12024/3] Funding Source: UKRI
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Humans have the ability to continually learn and acquire new skills without necessarily erasing old memories. Recent studies suggest that neural inhibition regulates the stability of neural networks, allowing for continual learning while protecting memories from interference. This neural inhibition may be crucial in supporting higher-order cognition and adaptive behavior.
Humans are able to continually learn new information and acquire skills that meet the demands of an ever-changing environment. Yet, this new learning does not necessarily occur at the expense of old memories. The specialised biological mechanisms that permit continual learning in humans and other mammals are not fully understood. Here I explore the possibility that neural inhibition plays an important role. I present recent findings from studies in humans that suggest inhibition regulates the stability of neural networks to gate cortical plasticity and memory retrieval. These studies use non-invasive methods to obtain an indirect measure of neural inhibition and corroborate comparable findings in animals. Together these studies reveal a model whereby neural inhibition protects memories from interference to permit continual learning. Neural inhibition may, therefore, play a critical role in the computations that underlie higher-order cognition and adaptive behaviour.
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