Symbolic Models

• Code letters separately from order
• This type of model does make transposition errors ◮ Can because B is a ‘thing’ on its own, separate from order
• Botvinick, M. M., & Plaut, D. C. (2006). Short-term memory for serial order: a recurrent neural network model. Psychological review, 113(2), 201.
• Model could later correctly reproduce novel sequences
• But all letters had occurred in each position