Table 1.

Demographics for the Healthy Volunteer sample in the pilot phase.

N (Male/Female)	20 (5/15)
Age, years (Mean ± SD)	23 ± 0.94
FSIQ (Mean ± SD) SRS-2 Total T score (Mean ± SD) SRS-2 SCI T score (Mean ± SD) SRS-2 RRB T score (Mean ± SD)	121.3 ± 13.0 (n=18) 43.26 ± 4.30 (n=19) 44.58 ± 4.07 (n=19) 43.21 ± 4.48 (n=19)

Full Scale Intelligence Quotient (FSIQ) measured by Wechsler Abbreviated Scale of Intelligence, Second-Edition (WASI-II) with a population mean of 100 and standard deviation of 15. Two participants were withdrawn prior to completing this assessment. Social Responsiveness Scale, Second Edition (SRS-2) T scores are presented for the total scale, Social Communication Subscale (SCI), and Restrictive and Repetitive Behaviors Subscale (RRB). SRS-2 Total T scores of 59 and below are considered to be within typical limits.