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Improved Assessment of Significant Activation in Functional Magnetic Resonance Imaging (fMRI): Use of a Cluster‐Size Threshold
- S. D. Forman, Jonathan D. Cohen, Mark Fitzgerald, W. Eddy, M. Mintun, D. Noll
- Computer ScienceMagnetic resonance in medicine
- 1 May 1995
Monte Carlo simulations and fMRI studies of human subjects have been used to verify that this approach can improve statistical power by as much as fivefold over techniques that rely solely on adjusting per pixel false positive probabilities.
Rubber hands ‘feel’ touch that eyes see
An illusion in which tactile sensations are referred to an alien limb is reported, which reveals a three-way interaction between vision, touch and proprioception, and may supply evidence concerning the basis of bodily self-identification.
An integrative theory of locus coeruleus-norepinephrine function: adaptive gain and optimal performance.
Historically, the locus coeruleus-norepinephrine (LC-NE) system has been implicated in arousal, but recent findings suggest that this system plays a more complex and specific role in the control of…
An fMRI Investigation of Emotional Engagement in Moral Judgment
- Joshua D. Greene, R. Sommerville, L. Nystrom, J. Darley, Jonathan D. Cohen
- 14 September 2001
It is argued that moral dilemmas vary systematically in the extent to which they engage emotional processing and that these variations in emotional engagement influence moral judgment.
Anterior Cingulate Conflict Monitoring and Adjustments in Control
- J. Kerns, Jonathan D. Cohen, A. MacDonald, R. Cho, V. Stenger, C. Carter
- Psychology, BiologyScience
- 13 February 2004
Using the Stroop color-naming task and controlling for repetition effects, it is demonstrated that ACC conflict-related activity predicts both greater prefrontal cortex activity and adjustments in behavior, supporting a role of ACC conflict monitoring in the engagement of cognitive control.
The Neural Basis of Economic Decision-Making in the Ultimatum Game
Functional magnetic resonance imaging of Ultimatum Game players was used to investigate neural substrates of cognitive and emotional processes involved in economic decision-making and significantly heightened activity in anterior insula for rejected unfair offers suggests an important role for emotions in decision- making.
Separate Neural Systems Value Immediate and Delayed Monetary Rewards
- S. McClure, David I. Laibson, G. Loewenstein, Jonathan D. Cohen
- Psychology, BiologyScience
- 15 October 2004
Using functional magnetic resonance imaging, the neural correlates of time discounting were examined while subjects made a series of choices between monetary reward options that varied by delay to delivery, demonstrating that two separate systems are involved in such decisions.
The Neural Bases of Cognitive Conflict and Control in Moral Judgment
The physics of optimal decision making: a formal analysis of models of performance in two-alternative forced-choice tasks.
- R. Bogacz, E. Brown, J. Moehlis, P. Holmes, Jonathan D. Cohen
- Computer SciencePsychological review
- 1 October 2006
It is proved that there is always an optimal trade-off between speed and accuracy that maximizes various reward functions, including reward rate (percentage of correct responses per unit time), as well as several other objectives, including ones weighted for accuracy.
The neural basis of error detection: conflict monitoring and the error-related negativity.
It is concluded that the ERN can be explained in terms of response conflict and that monitoring for conflict may provide a simple mechanism for detecting errors.