Age-dependent effects of acute methylphenidate on amygdala reactivity in stimulant treatment-naive patients with Attention Deficit/Hyperactivity Disorder

Marco A. Bottelier, Anouk Schrantee, Bart Ferguson, Hyke G.H. Tamminga, Cheima Bouziane, J. J.Sandra Kooij, Michiel B. de Ruiter, Liesbeth Reneman

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

In the present study, we investigate whether methylphenidate (MPH) affects emotional processing and whether this effect is modulated by age. We measured amygdala reactivity with functional Magnetic Resonance Imaging (fMRI) during processing of angry and fearful facial expressions in male stimulant treatment-naive patients with ADHD (N = 35 boys; N = 46 men) and 23 healthy control subjects (N = 11 boys; N = 12 men). In ADHD patients, we also measured amygdala reactivity 90 min after an acute oral challenge with MPH (0.5 mg/kg). Mean amygdala reactivity was analyzed for all subjects using a repeated measures analysis of variance (ANOVA). Whole-brain maps were analyzed for the patients only. At baseline, we found a age*diagnosis effect approaching significance (p = 0.05) in the right amygdala due to lower reactivity in children with Attention Deficit/Hyperactivity Disorder (ADHD) vs. controls (−31%), but higher reactivity in adults with ADHD vs. controls (+31%). MPH significantly reduced right amygdala reactivity in all patients, resulting in further reductions in children. In the left amygdala, reduction of amygdala reactivity was confined to adult ADHD patients whereas there was no change in children with ADHD. MPH-induced decrease of amygdala reactivity in adults might be a promising avenue for managing emotional dysregulation when replicated for chronic MPH treatment.

Original languageEnglish
Pages (from-to)36-42
Number of pages7
JournalPsychiatry Research - Neuroimaging
Volume269
DOIs
Publication statusPublished - 30 Nov 2017

Cite this

Bottelier, Marco A. ; Schrantee, Anouk ; Ferguson, Bart ; Tamminga, Hyke G.H. ; Bouziane, Cheima ; Kooij, J. J.Sandra ; de Ruiter, Michiel B. ; Reneman, Liesbeth. / Age-dependent effects of acute methylphenidate on amygdala reactivity in stimulant treatment-naive patients with Attention Deficit/Hyperactivity Disorder. In: Psychiatry Research - Neuroimaging. 2017 ; Vol. 269. pp. 36-42.
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Age-dependent effects of acute methylphenidate on amygdala reactivity in stimulant treatment-naive patients with Attention Deficit/Hyperactivity Disorder. / Bottelier, Marco A.; Schrantee, Anouk; Ferguson, Bart; Tamminga, Hyke G.H.; Bouziane, Cheima; Kooij, J. J.Sandra; de Ruiter, Michiel B.; Reneman, Liesbeth.

In: Psychiatry Research - Neuroimaging, Vol. 269, 30.11.2017, p. 36-42.

Research output: Contribution to journalArticleAcademicpeer-review

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