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Choice reflexes in the rodent habit system
Published on 2015-07-281577 Views
We examined the neural mechanisms by which rats rapidly adjust choices following reward omission. Animals often employ a ‘lose-switch’ strategy in which they switch responses following reward omissi
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Presentation
Choice reflexes in the rodent (and human) sensorimotor striatum00:00
Rapid response adaptation following poor reinforcements - 100:40
Rapid response adaptation following poor reinforcements - 202:23
Competitive Task: 2 x 2 matrix game (‘Matching Pennies’) - 104:27
Competitive Task: 2 x 2 matrix game (‘Matching Pennies’) - 205:30
Competitive Task: 2 x 2 matrix game (‘Matching Pennies’) - 306:21
DLS is necessary for lose-switch responding - 106:37
DLS is necessary for lose-switch responding - 207:35
DLS is necessary for lose-switch responding - 307:47
Lose-Switch decays and is independent of Win-Stay - 108:28
Lose-Switch decays and is independent of Win-Stay - 209:06
Lose-Switch decays and is independent of Win-Stay - 310:36
Lose-switch depends on negative RPE - 111:46
Lose-switch depends on negative RPE - 212:07
Lose-switch depends on negative RPE - 312:18
Lose-switch depends on negative RPE - 412:30
Lose-switch depends on negative RPE - 512:36
Lose-switch depends on negative RPE - 613:14
Lose-switch depends on negative RPE - 713:41
Increased Lose-switch in humans under cognitive load - 114:02
Increased Lose-switch in humans under cognitive load - 214:21
Increased Lose-switch in humans under cognitive load - 314:38
Increased Lose-switch in humans under cognitive load - 414:53
Summary - 115:07
Summary - 215:37
Implications & Speculations15:53
Ongoing17:11