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Revista Ecuatoriana de Neurología

On-line version ISSN 2631-2581Print version ISSN 1019-8113


CALDERON-SEPULVEDA, R.F. et al. Intermittent Theta-Burst Transcranial Magnetic Stimulation in a Patient with Autism Spectrum Disorder: A Case Report. Rev Ecuat Neurol [online]. 2019, vol.28, n.1, pp.81-84. ISSN 2631-2581.


Transcranial magnetic stimulation (TMS) is a potential treatment option for autism spectrum disorder (ASD) symptomatology.


To determine the efficacy of the TMS intermittent theta-burst stimulation (iTBS) protocol over the left dorsolateral prefrontal cortex (DLPFC) in the management of pathological behaviors associated with ASD.


A 10-year-old male diagnosed with ASD by the Autism Diagnostic Observation Schedule (ADOS) presented with a family history of ASD with a younger sister diagnosed with the same disorder. Both magnetic resonance imaging (MRI) and functional MRI (fMRI) scans for emotional paradigms were performed before the iTBS treatment, immediately after the iTBS treatment, and after 6 months of iTBS treatment.


The ATEC reports revealed improvement in communication, cognition, sociability, and behavior scales by 83%, 81%, 72%, and 52%, respectively. The overall score improved by 66% immediately after the treatment and by 55% lasting over a 6-month period. The fMRI revealed the activation of the frontal, parietal, and occipital cortex before iTBS treatment, and a better integration and activation of the frontal, temporal, and occipital cortex after iTBS treatment and persisted after 6 months.


iTBS is a well-tolerated, non-invasive neuromodulation technique that requires relatively less administration than the standard treatment.

Keywords : Repetitive transcranial magnetic stimulation (rTMS); Intermittent Theta Burst Stimulation (iTBS).

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