Podcast
Questions and Answers
What firing rate pattern is observed after the target onset in the neuronal activity?
What firing rate pattern is observed after the target onset in the neuronal activity?
It increases rapidly, then dips before gradually increasing again.
At what point does the firing rate divergence between oddball and distractor trials occur?
At what point does the firing rate divergence between oddball and distractor trials occur?
Around 80ms.
What role do the visual cortices play in the proposed model of sensorimotor decision making?
What role do the visual cortices play in the proposed model of sensorimotor decision making?
Act as receptors, sending information to parietal cortex.
How do different reaction times arise in simple tasks like the oddball task according to Carpenter's experiments?
How do different reaction times arise in simple tasks like the oddball task according to Carpenter's experiments?
What does Gold & Shadlen's experiment test regarding neuronal firing rate in the frontal eye fields?
What does Gold & Shadlen's experiment test regarding neuronal firing rate in the frontal eye fields?
What happens to stimulation-induced saccades in Gold & Shadlen's experiment as the delay period increases?
What happens to stimulation-induced saccades in Gold & Shadlen's experiment as the delay period increases?
What historical figure believed in the nonmaterial soul controlling decisions?
What historical figure believed in the nonmaterial soul controlling decisions?
Who proposed the idea of two classes of behavior, one deterministic and the other involving unpredictable decisions?
Who proposed the idea of two classes of behavior, one deterministic and the other involving unpredictable decisions?
Which scientist focused on studying simple reflexes governed by the spinal cord?
Which scientist focused on studying simple reflexes governed by the spinal cord?
What did Galen propose as the connection between sensory and motor systems?
What did Galen propose as the connection between sensory and motor systems?
Which brain regions control eye movements through topographically mapped neurons?
Which brain regions control eye movements through topographically mapped neurons?
How were sensory systems found to respond to particular stimulus patterns?
How were sensory systems found to respond to particular stimulus patterns?
What role did area MT neurons play in monkeys' saccade choices?
What role did area MT neurons play in monkeys' saccade choices?
How did Shadlen & Newsome's model propose the transformation of MT signals into saccade decisions?
How did Shadlen & Newsome's model propose the transformation of MT signals into saccade decisions?
Describe the firing rate patterns of LIP neurons that matched the model's predictions.
Describe the firing rate patterns of LIP neurons that matched the model's predictions.
What is the goal of studying the frontal eye fields in the oddball task?
What is the goal of studying the frontal eye fields in the oddball task?
How can variability in reaction times be explained by the Frontal Eye Fields and the Decision-Making Process Task?
How can variability in reaction times be explained by the Frontal Eye Fields and the Decision-Making Process Task?
What is the significance of testing the likelihood hypothesis in the context of saccadic decisions?
What is the significance of testing the likelihood hypothesis in the context of saccadic decisions?
