Chemical Basis of Neuronal Action Potentials Quiz

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Which theory proposes that our experiences are represented by the pattern of firing across a large number of neurons?

Distributed representation

Connectionism

Population coding (correct)

Modularity

What is structural connectivity in the context of brain function?

The functional specialization of specific brain areas

The neural activity flowing through the structural network

The patterns distributed across the cortex

The road map of fibers connecting different areas of the brain (correct)

What is the main focus of the distributed representation approach to information processing in the brain?

The neural activity flowing through the brain's structural network

Patterns distributed across the cortex, involving multiple brain areas (correct)

Structural connections between brain areas

Functional connectivity in specific brain areas

Which concept is associated with the idea that specific brain areas are specialized to respond to specific types of stimuli or functions?

Modularity Signup and view all the answers

What does research suggest is just as important for perception as the activity in each individual brain area alone?

Connections between brain areas Signup and view all the answers

What is the role of excitatory transmitters in the postsynaptic neuron?

Cause depolarization and increase the likelihood of an action potential Signup and view all the answers

What occurs when inhibitory transmitters are released in the postsynaptic neuron?

Cause hyperpolarization and decrease the likelihood of an action potential Signup and view all the answers

What is the function of neurotransmitters in synaptic transmission?

Received by the postsynaptic neuron on receptor sites Signup and view all the answers

What is sparse coding in the context of neuronal activity?

Occurs when a particular stimulus is represented by a pattern of firing of only a small group of neurons Signup and view all the answers

What happens when sodium ions cross the membranes of neurons?

Cause depolarization and increase the likelihood of an action potential Signup and view all the answers

What did Hartline discover about the receptive fields of ganglion cells?

They responded only when a small area of the retina was illuminated Signup and view all the answers

In what way do ganglion cell receptive fields differ from single photoreceptors?

Receptive fields cover a much greater area than a single photoreceptor Signup and view all the answers

What did Stephen Kuffler observe about ganglion cell receptive fields in cats that Hartline did not observe in frogs?

Center-surround receptive fields arranged like concentric circles Signup and view all the answers

How are ganglion cell receptive fields arranged, according to Stephen Kuffler's observations?

In a center-surround organization Signup and view all the answers

What occurs when stimulating a particular point on the retina in relation to ganglion cells' receptive fields?

It generally activates a number of fibers in the optic nerve Signup and view all the answers

How does the monitoring of the retina by ganglion cells compare to spectators at an event?

Many ganglion cells monitor the retina, just as there are many spectators at an event Signup and view all the answers

What property did ganglion cell receptive fields have, according to Stephen Kuffler's research?

'Center-surround' receptive fields Signup and view all the answers

Chemical Basis of Neuronal Action Potentials Quiz

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