Activity in MT and LIP Differentiation Quiz

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What is the main focus of the neural basis of perceptual decision-making?

Translation between sensory evidence and action

What is psychophysics concerned with?

Relationship between physical stimuli and perceptual responses

What do psychophysicists particularly focus on in decision-making experiments?

Speed and accuracy of decisions in noisy evidence

What do human fMRI studies involving mixed face/house information aim to identify?

Regions correlating with differences between FFA and PPA signals Signup and view all the answers

According to predictions in human neuroimaging, what should happen to BOLD signals as choices become harder?

Increase as integration goes on for longer Signup and view all the answers

What is one assumption made about the relationship between BOLD signals and single-cell buildup activity in the brain?

BOLD signals increase as choices get harder Signup and view all the answers

What are some areas in the brain that differentiate their activity even when sensory information is identical?

MT and LIP Signup and view all the answers

What signals are often action-linked in the primate brain?

Evidence accumulation signals Signup and view all the answers

What does the Centro-parietal positivity (CPP) signal represent in human perceptual decision-making?

Evidence accumulation Signup and view all the answers

What provides a bridge between perception and action in decision-making?

Downstream 'accumulators' in parietal and frontal cortex, together with cortico-basal ganglia loops Signup and view all the answers

How is the circuit model of integration of motion evidence related to decision-making?

It plays a role in the process of evidence accumulation Signup and view all the answers

In the brain, what supports the process of evidence accumulation?

Parietal and frontal cortex, together with cortico-basal ganglia loops Signup and view all the answers

What area in the brain is known as the motion-sensitive region in the extrastriate visual cortex?

Area MT/V5 Signup and view all the answers

In which brain area do neurons respond when attention is directed to a stimulus in their spatial receptive field?

LIP (Lateral Intraparietal Area) Signup and view all the answers

What is the function of LIP neurons in relation to decision-making?

LIP neuron firing rates accelerate towards one or two response options. Signup and view all the answers

What happens when motion coherence and color coherence are combined in a decision-making task?

Firing rates align to the eye movement response and reach a common level. Signup and view all the answers

What is the role of neural populations in decision-making?

Neural populations can encode many things at the same time. Signup and view all the answers

What brain area provides noisy motion direction information in the circuit model of integration of motion evidence?

Area MT Signup and view all the answers