TY  - GEN
ID  - cogprints1420
UR  - http://cogprints.org/1420/
A1  - Oades, R.D.
Y1  - 1998///
N2  - Introduction: This review considers deficits in the selective aspects of perception (i.e. attention) underlying symptoms of impaired attention and impulsivity in children with attention-deficit hyperactivity syndrome (ADHD) in terms of frontal and temporal lobe function and cerebral asymmetry. 

Review: Tomographic studies suggest a disturbance of fronto-striatal function, but have neglected limbic contributions under activating conditions and are contradictory or equivocal on the nature of apparent lateralised differences of structure. 
Functional neuropsychological (e.g. go/no-go and covert orienting of attention tasks) and psychophysiological studies (e.g. event-related potentials and mismatch negativity [1]) suggest that early and late stages of information processing are affected in both the frontal and temporal lobes. 
Performance differences in young ADHD patients imply an impairment in the inter-cortical dialogue. Given the evidence for a normal specialisation in global processing in the right and the processing of details in the left hemisphere, the lateralised impairment may progress from situational ADHD (resulting in impaired selective aspects of perception on the right) to pervasive ADHD (inducing an additional impairment in decision making on the left: compare risk taking). 

Conclusions: Accordingly a proportion of ADHD children may experience an early negative neurodevelopmental influence that only appears as the brain region matures (especially around 8-12 years of age) while others show an independent, longer term, delayed development of CNS function. 


PB  - Elsevier
KW  - attention-deficit/hyperactivity disorder
KW  -  ADHD
KW  -  child
KW  -  development
KW  -  attention
KW  -  impulsivity
KW  -  frontal cortex
KW  -  temporal cortex
KW  -  lateralization
KW  -  laterality
KW  -  hemisphere
KW  -  event-related potentials
KW  -  EEG
KW  -  ERP
KW  -  P1
KW  -  N1
KW  -  P2
KW  -  mismatch negativity
KW  -  MMN
KW  -  executive function
KW  -  card-sorting
KW  -  Tower-of-London
KW  -  continuous performance
KW  -  CPT
KW  -  IQ
KW  -  MRI
KW  -  PET
KW  -  SPECT
KW  -   cerebral blood flow
KW  -  CBF
KW  -  frontal eye field
KW  -  covert orienting of attention
KW  -  corpus callosum
KW  -  sensory gating
KW  -  
TI  - Frontal, temporal and lateralized brain function in children with attention-defiocit hyperactivity disorder: a psychophysiological and neuropsychological viewpoint on development
SP  - 83
AV  - public
EP  - 95
ER  -

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