Transcranial Magnetic Stimulation for Restricted and Repetitive Behavior in ASD

Inclusion Criteria:

1. Diagnosis of Autism Spectrum Disorder (ASD), Asperger's or Autism.

2. Meet criteria for ASD on clinical assessments (ADOS-2 or CARS/BOSA if conductedremotely & ADI-R)

3. Aged between 12-45 years old

4. Have a reliable informant who can complete relevant questionnaires

5. Must have previously not responded or not tolerated 2 treatments.

Exclusion Criteria:

1. Any contraindications for TMS e.g. history of seizures

2. Pregnancy

3. Any current or past history of any physical condition which in the investigator'sopinion might put the subject at risk or interfere with study resultsinterpretation.

4. Active substance use (<1 week) or intoxication verified by toxicology screen--ofcocaine, amphetamines, benzodiazepines

5. Showing symptoms of withdrawal from alcohol or benzodiazepines

6. DSM-5 diagnosis of bipolar disorder or a psychotic disorder e.g. schizophrenia.

7. Significant sensory impairments such as blindness or deafness.

8. Any other indication the PI feels would comprise data

9. Current severe insomnia (must sleep a minimum of 4 hours the night beforestimulation)

10. IQ<50 or not testable using IQ measures and no historical IQ score available

11. Currently taking Clozapine or another medication that the PI determines increasesthe risk of TMS or may disrupt the efficacy.

12. A motor threshold that is too high to allow safe/tolerable treatment.