Cognitive control (hannes)
27 important questions on Cognitive control (hannes)
What is imitation behavior?
Pre frontal cortex, small / large?
How does the premotor cortex make you able to perform quick flexible actions?
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PFC neurons maintaining firing after removal of stimulus is a clue for:
What happens with patients with damge to the medial PFC?
1. They make super utilitarain choices
2. They have great difficulties in ordinary choices
What does decision making consist of? 2 factors
External factor (delay, cost, quantity etc)
Internal factor ( motivation, risk etc,)
What has the Urbach - Wiethe desease with bilateral degeneration of the amygladae shown?
What does the implicit association test show?
How does the amyglada effect behaviour?
What controls fear?
What are major components of the reward system?
VTA
Nucleus Accumbens
VMPFC (ventro-medial)
Dopamine
How is dopamine guiding our search for reward?
How was the role of VTA / Dopamine in reinforcement learning shown?
What are the two pathways of dopamine induce learning and what do they do?
1. Direct pathway - getting into action
2. Indirect pathway - inhibiting action
What is the reward prediction error?
The difference between the reward that you get and the reward that you expected.
The signal will respond to the conditioned stimulus.
What does the dopamine signal for reward prediction state?
When predictive value of a CS is low, dopamine only fires on reward.
WHen predictive value is high, it already fires on the CS
Also, when there is a long delay between CS and reward, dopamine respond to the reward, and no long to the CS
What does the experiment with 4 cues, each inducing a potential of 50/50 win/lose show?
What happens in the Limbic regions when you like something ?
What does the experiment with rating cars, and looking at cars show?
How can you predict someone behaviour when giving them stimuli (e.g. Picture of food)
What are the two kinds of decisions?
What brain system controls the values given by the VMPFC
What part of the PFC is involved with the go no go task?
What is the ERN? And how is it evoked?
How does the ACC influence the DLPFC
What goes wrong in the Winconsin card sorting task with patients damaged to the PFC?
What does the task switching paradigm show?
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