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The core neural basis for memory, which is the increase in a cell’s potential to fire, is called:
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- A presynaptic neuron in the cerebrum transmits information to hundreds of other neurons. This process is an example of (a) convergence (b) divergence (c) temporal summation (d) spatial summation (e) a graded potentialExcess neural connections within the brain are reduced through a process of accommodation. true or falseYou are in the library and just found a place in the reading room. You settle down to study when you get a call and must step outside the library to take the call. After finishing the call you are going back to the reading room and your brain helps you navigate to the location in the library that you chose for yourself. Which one(s) of the following is/are correct? * A.1) The basic neural code involved here is the pattern of neuronal firing rate and its match with the stored pattern in your brain A.2) Your exact spatial locus from different spatial boundaries would be indicated by boundary detecting cells (neurons) A.3) The basic neural code involved here is the pattern of neuronal firing rate and its mismatch with the stored pattern in your brain A.4) Boundary detecting neurons would indicate your outbound path A.5) The place cells (neurons) would index your current position in the…
- Baddeley, in his working memory model, proposed a system for rehearsing at the level of mental imagery "in the mind's eye" (and working memory) which he called the:Limbic System, Emotion, Reward, and Addiction List the effects of amygdala lesions at the introduction level (Introduction to Neuroscience College Level). This is not a question about the Papez circuit. It's a question about the effects of amygdala lesions.Describe a synaptic mechanism underlying the formation of memory.
- Limbic System, Emotion, Reward, and Addiction Describe the role of the amygdala in emotion at the introduction level (Introduction to Neuroscience College Level). Provide many of your own digital or handwritten diagrams to complement your explanation.The thalamus has been described as a “switchboard.” Explain why, by describing the pathway of somatic sensory information from the receptors to the cerebral cortex. Case Study: Princess Leia has asthma, and had to use her inhaler before taking her physiology exam. Later, in the physiology laboratory, she measured her pulse rate and blood pressure and found them to be higher than usual. The following week, after administering some drugs (epinephrine, atropine) she later developed a severe headache and dry mouth. When she looked in the mirror she noticed that her pupils were dilated.Describe how memory works at the cellular and molecular levels.
- Subjecting neurons in the perforant pathway to tetanus stimulation strengthens activity in the dentate gyrus, indicating that long-term potentiation does not occur in the hippocampus. the hippocampus is involved in memory. synapses in the brain do not behave like Hebbian synapses. synapses in the brain can behave like Hebbian synapses.Limbic System, Emotion, Reward, and Addiction List the effects of amygdala lesions at the introduction level (Introduction to Neuroscience College Level). Provide many of your own digital or handwritten diagrams to complement your explanation.The thalamus has been described as a “switchboard.” Explain why, by describing the pathway of somatic sensory information from the receptors to the cerebral cortex.
