adhd
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| adhd [2025/12/22 22:13] – [introduction] gary1 | adhd [2025/12/22 22:14] (current) – [introduction] gary1 | ||
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| *AD/HD consists of a pattern of behavior that is present in multiple settings where it gives rise to social, educational or work performance difficulties | *AD/HD consists of a pattern of behavior that is present in multiple settings where it gives rise to social, educational or work performance difficulties | ||
| *it is a developmental disorder and it would appear over 99% have symptom onset prior to 7yrs of age, and most fit the criteria before age 3 yrs, although recall of such symptoms in adult life can be poor with only 50% recalling symptoms prior to age 7yrs while 95% can recall symptoms prior to age 12 years | *it is a developmental disorder and it would appear over 99% have symptom onset prior to 7yrs of age, and most fit the criteria before age 3 yrs, although recall of such symptoms in adult life can be poor with only 50% recalling symptoms prior to age 7yrs while 95% can recall symptoms prior to age 12 years | ||
| - | *it is now regarded as a persistent neurodevelopmental disorder impairing executive functioning (EF), or the " | + | *it is now regarded as a persistent neurodevelopmental disorder impairing executive functioning (EF), or the " |
| *it is estimated to affect 3-5% of children. | *it is estimated to affect 3-5% of children. | ||
| - | *the gene Homer1 may have an important role in attention | + | *the gene Homer1 may have an important role in genetic variances |
| * a mouse study in 2025 found that reducing expression of Homer1 in prefrontal cortex neurons where attention is based, caused those cells to upregulate GABA receptors-the molecular brakes of the nervous system. This shift created a quieter baseline and more focused bursts of activity when cues appeared: instead of firing indiscriminately, | * a mouse study in 2025 found that reducing expression of Homer1 in prefrontal cortex neurons where attention is based, caused those cells to upregulate GABA receptors-the molecular brakes of the nervous system. This shift created a quieter baseline and more focused bursts of activity when cues appeared: instead of firing indiscriminately, | ||
adhd.txt · Last modified: 2025/12/22 22:14 by gary1