Journal ArticleDOI
Timing deficits in attention-deficit/hyperactivity disorder (ADHD): evidence from neurocognitive and neuroimaging studies.
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TLDR
Timing function deficits in ADHD, next to executive function deficits, form an independent impairment domain and should receive more attention in neuropsychological, neuroimaging, and pharmacological basic research as well as in translational research aimed to develop pharmacological or non-pharmacological treatment of abnormal timing behaviour and cognition in ADHD.About:
This article is published in Neuropsychologia.The article was published on 2013-01-01. It has received 270 citations till now. The article focuses on the topics: Neurocognitive & Attention deficit hyperactivity disorder.read more
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Ventral–striatal responsiveness during reward anticipation in ADHD and its relation to trait impulsivity in the healthy population: A meta-analytic review of the fMRI literature
Michael M. Plichta,Anouk Scheres +1 more
TL;DR: It is concluded that at the present stage the number of existing studies in the healthy population as well as in ADHD groups is too small for a final answer and three theoretical approaches are discussed, each of which integrates the opposing findings.
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Properties of the Internal Clock: First- and Second-Order Principles of Subjective Time
TL;DR: This review summarizes recent behavioral and neurobiological findings and provides a theoretical framework for considering how changes in the properties of the internal clock impact time perception and other psychological domains.
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The Neural Basis of Timing: Distributed Mechanisms for Diverse Functions
TL;DR: Converging evidence supports the notion that, precisely because of its importance across a wide range of brain functions, timing relies on intrinsic and general properties of neurons and neural circuits; that is, the brain uses its natural cellular and network dynamics to solve a diversity of temporal computations.
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Effects of Stimulants on Brain Function in Attention-Deficit/Hyperactivity Disorder: A Systematic Review and Meta-Analysis
TL;DR: A systematic review and meta-analysis of the fMRI findings of acute stimulant effects on ADHD brain function showed that stimulants most consistently enhanced right IFC/insula activation, which remained for a subgroup analysis of methylphenidate effects alone.
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Midbrain dopamine neurons control judgment of time
TL;DR: Dopamine neuron activity reflects and can directly control the judgment of time and was found that transient activation or inhibition of dopamine neurons was sufficient to slow down or speed up time estimation, respectively.
References
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Journal ArticleDOI
The Attention System of the Human Brain
TL;DR: Illustration de trois fonctions principales qui sont predominantes dans l'etude de l'intervention de l'sattention dans les processus cognitifs: 1) orientation vers des evenements sensoriels; 2) detection des signaux par processus focal; 3) maintenir la vigilance en etat d'alerte
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Functional connectivity in the resting brain: A network analysis of the default mode hypothesis
TL;DR: This study constitutes, to the knowledge, the first resting-state connectivity analysis of the default mode and provides the most compelling evidence to date for the existence of a cohesive default mode network.
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The Worldwide Prevalence of ADHD: A Systematic Review and Metaregression Analysis
Guilherme V. Polanczyk,Maurício Silva de Lima,Bernardo L. Horta,Joseph Biederman,Luis Augusto Rohde +4 more
TL;DR: The findings suggest that geographic location plays a limited role in the reasons for the large variability of ADHD/HD prevalence estimates worldwide and that this variability seems to be explained primarily by the methodological characteristics of studies.
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Validity of the executive function theory of attention-deficit/hyperactivity disorder: a meta-analytic review.
TL;DR: Difficulties with EF appear to be one important component of the complex neuropsychology of ADHD, and moderate effect sizes and lack of universality of EF deficits among individuals with ADHD suggest that EF weaknesses are neither necessary nor sufficient to cause all cases of ADHD.