“…The finding that perceptual abnormalities are more common in females is consistent with findings by Sharma et al in patients with schizophrenia and also with findings by Maric et al in general population samples (Maric, Krabbendam, Vollebergh, de Graaf, & van Os, 2003;Sharma, Dowd, & Janicak, 1999). The finding that those young people presenting with perceptual abnormalities at entry to the clinic were functioning at a higher level than those meeting UHR criteria in the absence of perceptual abnormalities was initially surprising.…”