Modeling flexible behavior in childhood to adulthood shows age-dependent learning mechanisms and less optimal learning in autism in each age group
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Modeling flexible behavior in childhood to adulthood shows age-dependent learning mechanisms and less optimal learning in autism in each age group. / Crawley, Daisy; Zhang, Lei; Jones, Emily J H; Ahmad, Jumana; Oakley, Bethany; San José Cáceres, Antonia; Charman, Tony; Buitelaar, Jan K; Murphy, Declan G M; Chatham, Christopher; den Ouden, Hanneke; Loth, Eva; EU-AIMS LEAP group.
In: PLOS BIOL, Vol. 18, No. 10, e3000908, 10.2020.Research output: SCORING: Contribution to journal › SCORING: Journal article › Research › peer-review
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TY - JOUR
T1 - Modeling flexible behavior in childhood to adulthood shows age-dependent learning mechanisms and less optimal learning in autism in each age group
AU - Crawley, Daisy
AU - Zhang, Lei
AU - Jones, Emily J H
AU - Ahmad, Jumana
AU - Oakley, Bethany
AU - San José Cáceres, Antonia
AU - Charman, Tony
AU - Buitelaar, Jan K
AU - Murphy, Declan G M
AU - Chatham, Christopher
AU - den Ouden, Hanneke
AU - Loth, Eva
AU - EU-AIMS LEAP group
PY - 2020/10
Y1 - 2020/10
N2 - Flexible behavior is critical for everyday decision-making and has been implicated in restricted, repetitive behaviors (RRB) in autism spectrum disorder (ASD). However, how flexible behavior changes developmentally in ASD remains largely unknown. Here, we used a developmental approach and examined flexible behavior on a probabilistic reversal learning task in 572 children, adolescents, and adults (ASD N = 321; typical development [TD] N = 251). Using computational modeling, we quantified latent variables that index mechanisms underlying perseveration and feedback sensitivity. We then assessed these variables in relation to diagnosis, developmental stage, core autism symptomatology, and associated psychiatric symptoms. Autistic individuals showed on average more perseveration and less feedback sensitivity than TD individuals, and, across cases and controls, older age groups showed more feedback sensitivity than younger age groups. Computational modeling revealed that dominant learning mechanisms underpinning flexible behavior differed across developmental stages and reduced flexible behavior in ASD was driven by less optimal learning on average within each age group. In autistic children, perseverative errors were positively related to anxiety symptoms, and in autistic adults, perseveration (indexed by both task errors and model parameter estimates) was positively related to RRB. These findings provide novel insights into reduced flexible behavior in relation to clinical symptoms in ASD.
AB - Flexible behavior is critical for everyday decision-making and has been implicated in restricted, repetitive behaviors (RRB) in autism spectrum disorder (ASD). However, how flexible behavior changes developmentally in ASD remains largely unknown. Here, we used a developmental approach and examined flexible behavior on a probabilistic reversal learning task in 572 children, adolescents, and adults (ASD N = 321; typical development [TD] N = 251). Using computational modeling, we quantified latent variables that index mechanisms underlying perseveration and feedback sensitivity. We then assessed these variables in relation to diagnosis, developmental stage, core autism symptomatology, and associated psychiatric symptoms. Autistic individuals showed on average more perseveration and less feedback sensitivity than TD individuals, and, across cases and controls, older age groups showed more feedback sensitivity than younger age groups. Computational modeling revealed that dominant learning mechanisms underpinning flexible behavior differed across developmental stages and reduced flexible behavior in ASD was driven by less optimal learning on average within each age group. In autistic children, perseverative errors were positively related to anxiety symptoms, and in autistic adults, perseveration (indexed by both task errors and model parameter estimates) was positively related to RRB. These findings provide novel insights into reduced flexible behavior in relation to clinical symptoms in ASD.
KW - Adolescent
KW - Adult
KW - Age Factors
KW - Aging/physiology
KW - Autistic Disorder/physiopathology
KW - Behavior
KW - Child
KW - Female
KW - Humans
KW - Intelligence Tests
KW - Learning/physiology
KW - Male
KW - Models, Biological
KW - Reproducibility of Results
KW - Task Performance and Analysis
KW - Young Adult
U2 - 10.1371/journal.pbio.3000908
DO - 10.1371/journal.pbio.3000908
M3 - SCORING: Journal article
C2 - 33108370
VL - 18
JO - PLOS BIOL
JF - PLOS BIOL
SN - 1544-9173
IS - 10
M1 - e3000908
ER -