In autism spectrum disorder, which of the following is identified as the first biomarker ?
In autism spectrum disorder, | level of serotonin in the platelets is identified as the first biomarker. Other biomarkers are mTOR pathway Increased total brain volume in children < 4 years of age g-aminobutyric acid (GABA) inhibitory system
Decreased brain volume in children less than 4 years
Reduced latency of sleep
Increased level of serotonin in the platelets
Increased levels of dopamine
Child Psychiatry