When preschoolers overcome persistent error, subsequent patterns of correct choices may identify how the error had been overcome. Children who no longer misrepresented a ball rolling down a bent tube as though it could only fall vertically, were asked sometimes to approach and sometimes to avoid where the ball landed. All children showed requisite…

In a simulation, the lesioning of a connectionist model that maps orthographic inputs onto semantic features produces several counterintuitive behaviors that are also shown by acquired-dyslexic patients. The similarity strengthens the suggestion that the connectionist approach captures a key aspect of human cognitive processing. (SLD)