- An ART neural network model of discrimination shift learning
- Book/source title
- Proceedings of the thirty-first annual conference of the cognitive science society
- Pages (from-to)
- Document type
- Conference contribution
- Faculty of Social and Behavioural Sciences (FMG)
- Psychology Research Institute (PsyRes)
We present an ART-based neural network model (adapted from ) of the development of discrimination-shift learning that models the trial-by-trial learning process in great detail. In
agreement with the results of human participants (4-20 years of age) in  the model revealed two distinct learning modes in the learning process: (1) a discontinuous rational learning process by means of hypothesis testing; and (2) a slow, yet discontinuous learning process. Categorical differences in behavior are the result of uniformly distributed dimensional preferences. In addition, it models the developmental differences between reversal and nonreversal-shift learning. The network implements attentionguided learning by selective sensory processing based on dimensional preferences mediated through reinforcement. The developmental differences consist of separate adjustment of the evaluation of negative reinforcement, which is proposed in the empirical neuroscience literature .
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