ADHD (Attention Deficit Hyperactivity Disorder)注意力缺失症

Above 15% Children defined of ADD or ADHD, approximately 75% of children referred for ADHD displayed no hyperactive behavior, it is at least twice as common in males.

Postulated causative factor in ADD such as prenatal or perinatal insult, brain damage, neurochemical lesions, congenital physical anomalies, low central nervous system arousal level, genetic disorders, exposure to environmental toxins.

Clinical manifestations of ADHD:

1 Behavioral alterations: increased level of motor activity, impaired coordination, short attention span, excessive implusiveness, interpersonal problems, lability of emotion.

2 Perceptual-cognitive difficulties: impaired spatial orientation, difficulty in auditory and visual memory, difficulty in transferring information between sensory modalities, scholastic underachievement.

3 Minor neurological abnormalities: impaired fine motor coordination, visual/motor difficulties, problems in speech articulation.

Causes of ADHD

Above 15% Children defined of ADD or ADHD, approximately 75% of children referred for ADHD displayed no hyperactive behavior, it is at least twice as common in males. Postulated causative factor in Add such as prenatal or perinatal insult, brain damage, neurochemical lesions, congenital physical anomalies, low central nervous system arousal level, genetic disorders, exposure to environmental toxins, Clinical manifestations of ADHD: 1Behavioral alterations: increased level of motor activity, impaired coordination, short attention span, excessive implusiveness, interpersonal problems, lability of emotion. 2Perceptual-cognitive difficulties: impaired spatial orientation, difficulty in auditory and visual memory, difficulty in transferring information between sensory modalities, scholastic underachievement.3Minor neurological abnormalities: impaired fine motor coordination, visual/motor difficulties, problems in speech articulation.