title: Factors and primes: a specific numerical ability.
abstract: An autistic young man and a normal control were asked to factorize numbers and to recognize and generate primes. Both subjects made a similar number of errors and employed similar strategies, but they differed markedly in the speeds at which the arithmetical operations were carried out.
authors.affiliation: Institute of Education, University of London.
authors.forename: B
authors.initials: B
authors.lastname: Hermelin
authors.forename: N
authors.initials: N
authors.lastname: O'Connor
mesh_terms: D000328:Adult; D001076:Aptitude; D001288:Attention; D001321:Autistic Disorder / Q000523:psychology*; D006801:Humans; D008297:Male; D008433:Mathematics; D011340:Problem Solving; D011930:Reaction Time