17059128
Descripción
Test por Catriona Wilds, actualizado hace más de 1 año
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Creado por Catriona Wilds
hace más de 5 años
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Pregunta 1
Pregunta
According to Hebb's rule...
Respuesta
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Classical conditioning is a good model for memory and forgetfulness
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Associative learning is related to the increased response in the post-synaptic neuron after a few high frequency pre-synaptic stimuli
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Instrumental conditioning can be explained by the balance between different synaptic connections
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A weak synapse will be strengthened if its activation occurs at the same time that the postsynaptic neuron fires
Pregunta 2
Pregunta
The preforant pathway of the entorhinal cortex...
Respuesta
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Interconnects the CA1 and CA3 fields within the hippocampus
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Is another name for the fornix
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Interconnects the granule cells ofthe dentate gyrus with the amygdala
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Leads to the dentate gyrus within the hippocampal formation
Pregunta 3
Pregunta
Receptors for which of the following neurotransmitters are usually involved in long-term potentiation?
Respuesta
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Serotonin
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Dopamine
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Glutamate
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GABA
Pregunta 4
Pregunta
What normally prevents the calcium channel of the NMDA receptor from opening in response to glutamate only?
Respuesta
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The channel is blocked by magnesium ions
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The channel is blocked by sodium ions
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Glutamate requires the presence of GABA in order to open the channel
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Glutamate requires the presence of glycine in order to open the channel
Pregunta 5
Pregunta
The induction of long-term potentiation in the hippocampus would be blocked by...
Respuesta
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A drug such as AP5 that blocks NMDA receptors
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Using high-frequency pulses
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A drug that activates NMDA receptors
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Injection into the postsynaptic cell of a drug that activates calcium ions
Pregunta 6
Pregunta
Which of the following is true of long-term depression (LTD)?
Respuesta
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LTD can be produced by high-frequency stimulation of CA1 neurons
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LTD reflects a gradual strengthening of synaptic connections
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LTD is associated with a decrease in the number of AMPA receptors in the postsynaptic neuron
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LTD is associated with an increase in the number of AMPA receptors in the postsynaptic neuron
Pregunta 7
Pregunta
The primary function of perceptual learning is to...
Respuesta
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Identify and categorise objects
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Make an association between two stimuli
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Learn to adjust behaviour according to its consequences
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Exhibit a specific system to detect accurately the location of a stimulus
Pregunta 8
Pregunta
In a conditioned emotional response study, a tone is paired with an electric shock to your hand. After several trials, the tone alone becomes a conditioned stimulus that can elicit fear in you. Which of the following is true of the anatomy of this fear response?
Respuesta
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Damage to the amygdala facilitates emotional responding
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Damage to the lateral nucleus of the amygdala impairs the learning of conditioned associations
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Damage to the visual association cortex would prevent the learning of the conditioned associations in this instance
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Damage to the lateral nucleus of the pre-frontal cortex impairs the learning of conditioned associations
Pregunta 9
Pregunta
Which of the following is NOT true of instrumental (operant) conditioning?
Respuesta
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It involves a simple association between two stimuli
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It involves learning the relationship between a response to a stimulus and a reward
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It permits an organism to adjust its behaviour according to the consequences of that behaviour
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Either punishment or reward can reinforce it
Pregunta 10
Pregunta
An instrumental (operatn) response that produces a favourable consequence...
Respuesta
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Will be immediately suppressed
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Will occur more frequently
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Weakens adjacent circuits in the brain
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Is an important component of perceptual learning
Pregunta 11
Pregunta
Damage to which of the following structures would be expected to impair instrumental (operant) conditioning?
Respuesta
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Amygdala
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Hypothalamus
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Basal ganglia
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Frontal cortex
Pregunta 12
Pregunta
An example of a natural reinforcer is...
Respuesta
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Cocaine
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Amphetamine
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Dopamine
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Food for a hungry person
Pregunta 13
Pregunta
Which of the following is important for the acquisition of complex behaviours?
Respuesta
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The behaviour must result in long-term depression of the basal ganglia
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As the person becomes more proficient in the new behaviour, the transcortical circuits become more active
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As a person becomes more proficient in the behaviour, the control of the process is transferred to the basal ganglia
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As a person becomes more proficient in the behaviour, the control of the process is transferred to the transcortical pathways
Pregunta 14
Pregunta
A person with amnesia due to Korsakoff's syndrome is most likely to have severe damage in the...
Respuesta
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Hippocampus
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Fornix
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Mammillary bodies
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Cingulate gyrus
Pregunta 15
Pregunta
One striking aspect of patient H.M.'s deficit was that he...
Respuesta
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Could learn some new tasks but was unaware of having learned them
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Reversed word order in repeated sentences
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Indicated that he remembered things he had never seen
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Only remembered recent facts
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