NROC61H3 Lecture Notes - Lecture 4: Instrumental And Value-Rational Action, Ibuprofen, Working Memory
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Negative reinfor: increase in prob of a behavior happening, but that behavior is omitted to prevent an undesirable event from occurring. Open an umbrella, because you don"t want to get wet. Punishment: decreasing prob of that behavior/response happening again. It gets faster and faster, running towards the goal. T- maze: look at working memory in animals. Phase 1: animal is put into the stop box & are directed to attain rewards. This time, rat has a choice between the two gold boxes (l or r) Mice tend to go left because that is the portent response. Rewarded alternation: rats are rewarded for alternating between the sample and choice phase. Train the rat so it always go in the direction of reward. To do this, you have to inhibit its regular tendency to explore. Working memory test by putting food at the end of the arms. Usually, rats do not go back to the same arm it collected rewards from.
