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Intro to
Limbic System, Emotion, Reward, and Addiction
List the brain regions involved in reinforcement and reward
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- INTRO TO Neuroscience Limbic System, Emotion, Reward, and Addiction Describe patterns of VTA DA neuron firing during reward learningIntro to Neuroscience: Describe the role of DA in motivation and rewardIntro to Neuroscience College Describe the papez circuit at the college level of an introduction to neuroscience course. Please provide some visualizations and diagrams to go along with your explanation.
- Intro to Neuroscience College Describe the papez circuit at the college level of an introduction to neuroscience course. Please provide some visualizations and diagrams to go along with your explanation. So, please only include the circuit loop and not any pictures of the brain. So, draw the circuit that Papez drew in his book or lectures and that would help me understand how things get started in the hypothalamus and so on.READ: They key to large-scale communication in the entire nervous system is the ability to pass nerve impulses on a small scale from one neuron to the next so that signals can be transmitted throughout the entire body. The junction between two neurons is called a synapse, and is the critical space that mediates the transfer of a signal from the presynaptic neuron (the sender) to the postsynaptic neuron (the receiver) or even an effector cell (like a gland or muscle cell.) You circled a synapse in Model 1. Synapses can be electrical or chemical. Electrical synapses transmit electrical signals via gap junctions. A channel protein connects the cytoplasm of two adjacent neurons so that ions can flow directly from one cell to another to pass on the signal. However, the most common type of synapse is a chemical synapse. These utilize chemical signals, called neurotransmitters, to transmit the signal across the synaptic cleft. This is a slower process, but allows for much greater precision…Question: Summarize the “brain-processing and memory consolidation hypothesis”
- Intro to Neuroscience: Which of the following is an effect of cocaine and amphetamine? Group of answer choices Blocking dopamine reuptake Activating acetylcholine receptors on VTA neurons Directly activating dopamine receptors Inhibiting GABA release from interneurons All of the aboveDescribe neurophysiological control of skill by tracing likely sensory, motor, and CNS processing pathways. Don't copy from GoogleIntro to Neuroscience: An individual who has voluntary facial paresis has aberrations in…? Group of answer choices The ability to produce a Duchenne smile. The ability to produce an emotional smile. Both their descending pyramidal and extrapyramidal projections from motor cortex and brainstem. All of the above none of the above Why can't the answer be ? E. None of the above Some have said that the answer is E None of the above.
- PARTICIPATION ACTIVITY: For each toxic effect below, use your knowledge of the phases of an action potential to determine which image most likely corresponds with that effects of that toxin. A “quiz-like" link will be posted on Canvas after lecture today for you to upload your responses. Due by 11:59 pm tonight via Canvas. No visible effect or the action potentia of a typical neuron A C Effect of the Toxin Toxin C A B Letter 30 30 10 10 Delayed closing of the voltage-gated sodium channels after opening -10 -10 -30 -30 -50 Toxin A -50 Prevents voltage-gated sodium Toxin B -70 -70 -90 channels from opening when stimulated -90 4 6. 8 10 10 Time (ms) Time (ms) Causes voltage-gated potassium channels to open even without a 30 30 voltage stimulus Prevents the voltage-gated calcium 10 10 -10 -10 -30 -30 Toxin C -50 Toxin D -50 channels from opening when stimulated -70 -70 -90 4 6. 10 4 6 8 10 Time (ms) Time (ms) Prevents the voltage-gated potassium channels from opening when stimulated Hint:…Intro to Neuroscience College Level: Schizophrenia, Anxiety, and Depression Describe brain abnormalities associated with schizophreniaSTAC: The Scaffolding Theory of Aging and Cognition proposed in 2009 is a conceptual model of neuroimaging to explain how the combined effects of adverse and compensatory neutral processe produce varying levels of cognitive function. [ P QUESTION 22 Which one is not the best way to describe necessary "threshold" as "sensitivity" declines with age? Individuals with lower sensitivity also have a lower threshold or tolerance for stimulation. O As sensitivity goes down, the threshold must be higher to compensate. Individuals with a low-sensitivity, need more stimulation than people with high-sensitivity. none of the above QUESTION 23
