Task complexity and location specific changes of cortical thickness in executive and salience networks after working memory training

NeuroImage
Claudia Metzler-BaddeleyDerek K Jones

Abstract

Novel activities and experiences shape the brain's structure and organisation and, hence, our behaviour. However, evidence from structural plasticity studies remains mixed and the neural correlates of learning and practice are still poorly understood. We conducted a robustly designed study into grey matter plasticity following 2 months of working memory training. We generated a priori hypotheses regarding the location of plastic effects across three cognitive control networks (executive, anterior salience and basal ganglia networks), and compared the effects of adaptive training (n=20) with a well-matched active control group (n=20) which differed in training complexity and included extensive cognitive assessment before and after the training. Adaptive training relative to control activities resulted in a complex pattern of subtle and localised structural changes: Training was associated with increases in cortical thickness in right-lateralised executive regions, notably the right caudal middle frontal cortex, as well as increases in the volume of the left pallidum. In addition the training group showed reductions of thickness in the right insula, which were correlated with training-induced improvements in backward digit span p...Continue Reading

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Citations

Apr 27, 2016·Data in Brief·Claudia Metzler-BaddeleyDerek K Jones
Mar 31, 2017·Journal of Cognitive Neuroscience·Claudia Metzler-BaddeleyDerek K Jones
Feb 8, 2018·The International Journal of Eating Disorders·Luca LavagninoGuido K W Frank
Sep 29, 2019·Brain Sciences·Denilson Brilliant TRyuta Kawashima
Jun 6, 2018·Frontiers in Psychology·David J HarrisSamuel J Vine
May 26, 2017·Frontiers in Human Neuroscience·Xiao-Feng HuangYa-Yin Luo
May 22, 2018·Frontiers in Psychology·Teresa Rossignoli-PalomequeJavier González-Marqués
Aug 2, 2020·Neuroscience and Biobehavioral Reviews·Katerina PappaSatu Baylan
Dec 22, 2020·Neurobiology of Learning and Memory·Anna Miró-PadillaCésar Ávila
Feb 6, 2021·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Lia FerschmannChristian K Tamnes
Mar 12, 2021·Brain Structure & Function·Phoebe ImmsKaren Caeyenberghs
Jan 13, 2017·Neuropsychologia·Alexis Hervais-AdelmanNarly Golestani
May 4, 2021·Frontiers in Human Neuroscience·Sabine DziemianNicolas Langer
Jul 10, 2021·Frontiers in Psychology·Francesco BensoSimone Gazzellini

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Methods Mentioned

BETA
PCA

Software Mentioned

Cogmed
SPSS
MRIcron
power
FreeSurfer

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