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1. Introduction
2. A definition for cognitive control
3. Cognitive control
4. A simple example (1)
5. A simple example (2)
6. Model of the stroop task (1)
7. Model of the stroop task (2)
8. Guided activation theory (1)
9. Guided activation theory (2)
10. Limitation
11. Challenges
12. How do representations develop?
13. Adjustments made in the degree of control
14. Control representations maintenance w/in PFC
15. Attractors and interference
16. How are control representations updated?
17. Gated attractor network
18. Dopamine as a gating mechanism (1)
19. Timing of phasic DA signal
20. Dopamine as a gating mechanism (2)
21. The "homunculus" problem
22. Adaptive updating of control
23. Computational validation
24. AX-CPT: cue, delay and target
25. Timing of gating signal as function of training
26. More detailed model of gating mechanism
27. Empirical validation (1)
28. Canonical task
29. Empirical validation (2)
30. fMRI: localization of context representations
31. Empirical validation (3)
32. EEG: timing of gating signal
33. Empirical validation (4)
34. TMS: disruption of gating event (1)
35. TMS: disruption of gating event (2)
36. Empirical validation (5)
37. fMRI identification of updating-related VTA signal
38. Summary
39. Some current challenges and future directions
40. Acknowledgements

Topics Covered

• Model of the Stroop task
• Guided activation theory
• How representations develop
• Control representations
• Attractors and interference
• Gated attractor network
• Dopamine as a gating mechanism
• Timing of phasic DA signal
• The "homunculus" problem
• Adaptive updating of control
• AX-CPT: cue, delay and target
• Timing of gating signal as function of training
• Canonical task
• fMRI: localization of context representations
• EEG: timing of gating signal
• TMS: disruption of gating event
• fMRI identification of updating-related VTA signal

Links

Series:

• Cognitive Neuroscience

Categories:

• Neuroscience

Therapeutic Areas:

• Neurology

Talk Citation

Publication History

• Published on July 5, 2012

Financial Disclosures

• Prof. Jonathan Cohen has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.