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The role of prefrontal cortex and posterior parietal cortex in task switching.
Human ability to switch from one cognitive task to another involves both endogenous preparation without an external stimulus and exogenous adjustment in response to the external stimulus. In anExpand
Automaticity and the ACT* theory.
  • J. Anderson
  • Psychology, Medicine
  • The American journal of psychology
  • 1992
An explanation of automaticity within the framework of the Adaptive Control of Thought (ACT*) production system theory (Anderson, 1983, 1987) is presented. There is no automaticity mechanism per seExpand
Serial modules in parallel: the psychological refractory period and perfect time-sharing.
The authors describe ACT-R/perceptual-motor (ACT-R/PM), an integrated theory of cognition, perception, and action that consists of the ACT-R production system and a set of perceptual-motor modules.Expand
Task preparation and task repetition: two-component model of task switching.
  • M. Sohn, J. Anderson
  • Psychology, Medicine
  • Journal of experimental psychology. General
  • 1 December 2001
The switch cost (the disadvantage of performing a new task vs. a repeated task) has been attributed to lack of preparation for the switched task or priming of the repeated task. These sources wereExpand
Causal inferences as perceptual judgments
We analyze how subjects make causal judgments based on contingency information in two paradigms. In the discrete paradigm, subjects are given specific information about the frequency a, with which aExpand
The role of examples and rules in the acquisition of a cognitive skill.
In 3 experiments, participants memorized 8 examples, each exemplifying a different rule. Participants were asked to extend these rules to new examples. They practiced applications of the rules toExpand
Practice and retention: a unifying analysis.
The strength accumulation equation proposes the following: strength = sigma tj-d, where the summation is over the practices. Expand
Tower of Hanoi: evidence for the cost of goal retrieval.
Past research on the Tower of Hanoi problem has provided clear evidence for the importance of goal-subgoal structures in problem solving. However, the nature of the traditional Tower of Hanoi problemExpand
A hybrid model of categorization
Category learning is often modeled as either an exemplar-based or a rule-based process. This paper shows that both strategies can be combined in a cognitive architecture that was developed to modelExpand
Acquisition of procedural skills from examples.
Three experiments were run in which Ss first memorized examples of input-output pairs and then generated the outputs for a series of new inputs by analogy to the original examples. Ss first performedExpand