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Article

Difficulties maintaining prolonged fixation and attention-deficit/hyperactivity symptoms share genetic influences in childhood.

Psychiatry research - 1 Nov 2020

Falck-Ytter Terje, Pettersson Erik, Bölte Sven, D'Onofrio Brian, Lichtenstein Paul, Kennedy Daniel P

Abstract excerpt

This study investigated the association between the ability to maintain prolonged (2-minute) fixation on a visual target and ADHD traits in a sample consisting of 120 monozygotic and 120 dizygotic twin pairs, aged 9 to 14 years. More intrusive saccades during the task was associated with higher level of parent-reported ADHD traits. Both intrusive saccades and ADHD symptoms had high heritability estimates, and...

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Share to Attention Deficit Disorder with Hyperactivity

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

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Source

Identifiers

PMID: 32823201
DOI: 10.1016/j.psychres.2020.113384

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 6 Sept 2026. Manifest publication-graph-cohort-2026-09-06.1.

Source receipt: pubmed, retrieved 6 Sept 2026.

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