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A Remarkable Facilitating Effect of Parietal Damage

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Presentation on theme: "A Remarkable Facilitating Effect of Parietal Damage"— Presentation transcript:

1 A Remarkable Facilitating Effect of Parietal Damage
Paul Cisek  Neuron  Volume 58, Issue 1, Pages 7-9 (April 2008) DOI: /j.neuron Copyright © 2008 Elsevier Inc. Terms and Conditions

2 Figure 1 Schematic of Parietal and Frontal Systems Activated by Conflict This figure is a reproduction of Figure S8 from Coulthard et al. (2008) (this issue of Neuron). (A) When there is no conflict, neural activity (blue) grows to a threshold for motor initiation. (B) In incongruent trials, competing motor plans in PPC delay the growth of activity (red), but this delay is reduced by frontal mechanisms that enhance target information (green). (C) With parietal damage, the effect of competition is reduced but the frontal enhancement remains, resulting in a net facilitation. (D) With frontal damage, enhancement is absent and all reactions are slower. Neuron  , 7-9DOI: ( /j.neuron ) Copyright © 2008 Elsevier Inc. Terms and Conditions

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