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The impact of acute tryptophan depletion on attentional performance in adult patients with ADHD

To date, the impact of the neurotransmitter serotonin (5‐HT) on different neuropsychological functions in adults with attention deficit hyperactivity disorder (ADHD) is underinvestigated. We aimed to examine the effects of acute tryptophan depletion (ATD) and the resulting reduction in central nervous 5‐HT synthesis on target/non‐target discrimination ability and sustained attention in adults with ADHD using an AX‐Continuous Performance Test (AX‐CPT).