Feature analysis and the Token Test.
D000328:Adult; D000368:Aged; D001037:Aphasia / Q000175:diagnosis / Q000523:psychology; D001245:Association Learning; D003118:Color Perception; D003210:Concept Formation; D004193:Discrimination Learning; D006801:Humans; D007807:Language Tests; D008875:Middle Aged; D009483:Neuropsychological Tests; D010364:Pattern Recognition, Visual