Atypische elektrofysiologische indices van ogen-open en ogen-gesloten rusttoestand bij kinderen en adolescenten met ADHD en autism

Atypische elektrofysiologische indices van ogen-open en ogen-gesloten rusttoestand bij kinderen en adolescenten met ADHD en autism

mei 12, 2020 0 Door admin

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Nome rivista: Brain Sciences
Numero: 10(5)
Data pubblicazione: 01/05/2020

Autori:

Nome: Alessio
Cognome: Bellato
Affiliazione: University of Nottingham

Nome: Iti
Cognome: Arora
Affiliazione: University of Nottingham

Nome: Puja
Cognome: Kochhar
Affiliazione: University of Not! tingham
Nome: Chris
Cognome: Hollis
Affiliazione: University of Nottingham

Nome: Maddie
Cognome: Groom
Affiliazione: University of Nottingham

Abstract: nvestigating electrophysiological measures during resting-state might be useful to investigate brain functioning and responsivity in individuals under diagnostic assessment for attention deficit hyperactivity disorder (ADHD) and autism. EEG was recorded in 43 children with or without ADHD and autism, during a 4-min-long resting-state session which included an eyes-closed and an eyes-open condition. We calculated and analyzed occipital absolute and relative spectral power in the alpha frequency band (8–12 Hz), and alpha reactivity, conceptualized as the difference in alpha power between eyes-closed and eyes-open conditions. Alpha power was increased during eyes-closed compared to eyes-open resting-sta! te. While absolute alpha power was reduced in children with autism, relative alpha power was reduced in children with ADHD, especially during the eyes-closed condition. Reduced relative alpha reactivity was mainly associated with lower IQ and not with ADHD or autism. Atypical brain functioning during resting-state seems differently associated with ADHD and autism, however further studies replicating these results are needed; we therefore suggest involving research groups worldwide by creating a shared and publicly available repository of resting-state EEG data collected in people with different psychological, psychiatric, or neurodevelopmental conditions, including ADHD and autism.

Indirizzo: https://doi.org/10.3390/brainsci10050272
 


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