Browsing Psychiatry by Subject "ADHD"
Now showing items 1-15 of 15
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Association between dopamine transporter (DAT1)genotype, left sided inattention, and an enhanced response to methylphenidate in attention deficit hyperactivity disorder
(2005)A polymorphism of the dopamine transporter gene (DAT1, 10-repeat) is associated with attention-deficit hyperactivity disorder (ADHD) and has been linked to an enhanced response to methylphenidate (MPH). One aspect of the ... -
Attention Deficit Hyperactivity Disorder (ADHD) and 5-HT2C receptor: A slight increase in the transmission of Cys23 to ADHD cases
(1999)Recent evidence suggests that interaction with and balancebetween serotonergicand dopaminergic neurotransmissionis important in the mediation of hyperactive behaviour.Animal model studies have ®rmly implicated the genes ... -
Developmental comorbidity assessment in childhood ADHD
(2003)Introduction: Childhood ADHD typically presents with comorbidites. Assessment tools for developmental screening vary greatly in length and complexitity, and parental preference has an impact on the usefulness of clinical ... -
Dopa decarboxylase gene polymorphisms and attention deficit hyperactivity disorder (ADHD): no evidence for association in the Irish population
(2001)Dopa decarboxylase (DDC) is an enzyme which catalyses the decarboxylation of both dopa to dopamine and L-5 hydroxytryptophan to serotonin. Both catecholamines are major neurotransmitters of the mammalian nervous system. ... -
Evidence that genetic variation in the oxytocin receptor (OXTR) gene influences social cognition in ADHD
(2010)Some children with ADHD also have social and communication difficulties similar to those seen in children with autistic spectrum disorders and this may be due to shared genetic liability. As the oxytocin receptor (OXTR) ... -
Evidence that variation at the serotonin transporter gene influences susceptibility to attention deficit hyperactivity disorder (ADHD): analysis and pooled analysis.
(2002)Reduced central serotonergic activity has been implicated in poor impulse regulation and aggressive behaviour in animals, adults and also young children.1,2 Two recently published studies have implicated variation at a ... -
Executive Function in Routine Childhood ADHD Assessment
(2010)Aims: To determine the metacognitive deficits and behavioural and emotional regulation deficits among a group of children undergoing treatment for ADHD and to compare these with the hyperactivity/inattentive and behavioural ... -
Predictability and construct validity of oppositional defiant disorder in children and adolescents with ADHD combined type.
(Cambridge University Press, 2010)Background. Oppositional defiant disorder (ODD) is frequently co-occurring with attention deficit hyperactivity disorder (ADHD) in children and adolescents. Because ODD is a precursor of later conduct disorder (CD) ... -
Predictability of oppositional defiant disorder and symptom dimensions in children and adolescents with ADHD combined type
(Cambridge University Press, 2010)Background Oppositional defiant disorder (ODD) is frequently co-occurring with attention deficit hyperactivity disorder (ADHD) in children and adolescents. Because ODD is a precursor of later conduct disorder (CD) and ... -
Preferential Transmission of Paternal Alleles at Risk Genes in Attention Deficit/Hyperactivity Disorder
(2005)Family, twin, and adoption studies have demonstrated a significant genetic contribution to the etiology of attention-deficit/hyperactivity disorder (ADHD). Pharmacological, neuroimaging, and animal-model findings suggest ... -
The relationship between ADHD and key cognitive phenotypes is not mediated by shared familial effects with IQ
(2011)Background. Twin and sibling studies have identified specific cognitive phenotypes that may mediate the association between genes and the clinical symptoms of attention deficit hyperactivity disorder (ADHD). ADHD is also ... -
Serotonergic System and Attention Deficit Hyperactivity Disorder (ADHD): a potential susceptibility locus at the 5-HT1B receptor gene in 270 Trios from a multi-center sample
(2002)Attention deficit hyperactivity disorder (ADHD) is a highly heritable and heterogeneous disorder, which usually becomes apparent during the first few years of childhood. Imbalance in dopamine neurotransmission has been ... -
Spatial attentional bias as a marker of genetic risk, symptom severity and stimulant response in ADHD.
(2007)Attention-deficit hyperactivity disorder (ADHD) is a heritable childhood onset disorder that is marked by variability at multiple levels including clinical presentation, cognitive profile, and response to stimulant ... -
Synaptosomal-Associated Protein 25 (SNAP-25) and Attention Deficit Hyperactivity Disorder (ADHD): Evidence of linkage and Association in the Irish Population.
(2002)Several lines of evidence have suggested that ADHD is a polygenic disorder produced by the interaction of several genes each of a minor effect. Synaptosomal-associated protein 25 (SNAP-25) is a presynaptic plasma membrane ...
