Podcast
Questions and Answers
What is the role of the amygdala in acquiring and retaining emotional memories?
What is the role of the amygdala in acquiring and retaining emotional memories?
- Recalling memories from the frontal cortex (correct)
- Storing memories directly within its structure
- Influencing the mesolimbic DA system
- Evaluating fear and avoidance responses
What is a demonstration of the role of the amygdala in seeking pleasure?
What is a demonstration of the role of the amygdala in seeking pleasure?
- The association of a sound or light with pressing a lever and receiving cocaine (correct)
- The association of a sound or light with pressing a lever and receiving food
- The association of a sound or light with pressing a lever and receiving caffeine
- The association of a sound or light with pressing a lever and receiving water
What happens when a rat without an amygdala is stimulated with the conditioned sound or light?
What happens when a rat without an amygdala is stimulated with the conditioned sound or light?
- It will behave unpredictably
- It will continue pressing the lever as before
- It will press the lever more frequently
- It will stop pressing the lever (correct)
What is the relationship between the amygdala and the mesolimbic DA system?
What is the relationship between the amygdala and the mesolimbic DA system?
What is the primary function of dopamine (DA) according to the text?
What is the primary function of dopamine (DA) according to the text?
What is a simple definition of an addiction, according to the text?
What is a simple definition of an addiction, according to the text?
What effect do opioids, alcohol, and phencyclidine (PCP) have on the mesolimbic pathway?
What effect do opioids, alcohol, and phencyclidine (PCP) have on the mesolimbic pathway?
What happens to rats deficient in dopamine when presented with palatable food?
What happens to rats deficient in dopamine when presented with palatable food?
What is the main difference between accumulating money and enjoying it, as per the text?
What is the main difference between accumulating money and enjoying it, as per the text?
What is one common effect of drugs of abuse on the mesolimbic pathway, as mentioned in the text?
What is one common effect of drugs of abuse on the mesolimbic pathway, as mentioned in the text?
What is the effect of amphetamine and cocaine on the number of dendritic spines on pyramidal cells, as described in the text?
What is the effect of amphetamine and cocaine on the number of dendritic spines on pyramidal cells, as described in the text?
What is the impact of morphine on the number of dendritic spines on pyramidal cells, as discussed in the text?
What is the impact of morphine on the number of dendritic spines on pyramidal cells, as discussed in the text?
Based on the text, what lasting changes do drugs induce in the brain?
Based on the text, what lasting changes do drugs induce in the brain?
From the text, what is the role of dendritic spines on pyramidal cells?
From the text, what is the role of dendritic spines on pyramidal cells?
What is the main finding from Robinson et al.'s experiments regarding the effects of drugs on pyramidal neurons?
What is the main finding from Robinson et al.'s experiments regarding the effects of drugs on pyramidal neurons?
What molecular changes contribute to the long-term plasticity of addiction in the Nucleus Accumbens?
What molecular changes contribute to the long-term plasticity of addiction in the Nucleus Accumbens?
What is one of the reasons drug users may need to take more of their substance to get the same effect?
What is one of the reasons drug users may need to take more of their substance to get the same effect?
What could explain the lasting effects of drug abuse even after drugs have been stopped?
What could explain the lasting effects of drug abuse even after drugs have been stopped?
What mediates the effects of stress on the mesolimbic DA system, in part through the hypothalamic–pituitary–adrenal (HPA) axis?
What mediates the effects of stress on the mesolimbic DA system, in part through the hypothalamic–pituitary–adrenal (HPA) axis?
Which factor is believed to be responsible for the depression and anhedonia felt by addicts when unable to get drugs?
Which factor is believed to be responsible for the depression and anhedonia felt by addicts when unable to get drugs?