Explain how synapses allow neurons to at as integrators include the concept of falicitation temporal nd spatial summation and convergence in your explanation
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Q: Explain how synapses allow neurons to act as integrators; include the concepts of facilitation,…
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Q: F in the Blanks Refer to Figure 4. How could Synapse A help to turn Synapse B into a strong synapse?
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Explain how synapses allow neurons to at as integrators include the concept of falicitation temporal nd spatial summation and convergence in your explanation |
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- What is a synapse? Explain the difference between an excitatory and an inhibitory synapse.Explain how synapses allow neurons to act as integrators; include the concepts of facilitation, temporal and spatial summation, and convergence in your explanation.please claerly explain diffreence between synapse and neurotransmitter. I feel like their work is same in autonomic nervous system. Please clarify for me in short cut about their differences?
- Explain why the postsynaptic part of the synapse is furnished with myriad amount and diverse kinds of proteins, while the presynaptic part isn'tare recording from tvWo heuro erize the synapse tn connects vnen he presynaptic neuron (Neuron A) fires an action potential, the postsynaptic neuron (Neuron B) is apidly depolarized. You suspect that the synapse is electrical, and carry out the following experiments to test your hypothesis. 3. To further test your conclusion from Question 1A, you inject the dye Lucifer Yellow (a very small luorescent molecule) into the Neuron A. Would you expect this dye to appear in the Neuron B? Why or why not?Consider the neuron below, which has a membrane resting potential of -70mV, membrane space constant of Imm, membrane time constant of 100ms, and spike firing threshold of -65mV. The neuron receives input from three synapses. Synapse A generates an EPSP of 12mV amplitude and 2ms duration, synapse B generates an EPSP of 8mV amplitude and Ims duration, and synapse C generates an IPSP with an amplitude of -2mV and duration of 3ms. A axon hillock 0.5mm Justify your answers to the following questions mathematically (round distances to nearest 0.5mm). You can neglect propagation time (ie. assume EPSPS/IPSPS arrive at axon hillock at same time irrespective of distance). (a) Would the cell fire an action potential if A is active? (b) Would the cell fire an action potential if A and B are active simultaneously? (c) Would the cell fire an action potential if B is activated twice with a delay of 2ms? (d) Would the cell fire an action potential if all three are simultaneously active? (e) If an…
- If a post synaptic neuron is stimulated to threshold by spatial summation this implies that the post synaptic cell has a lower than normal threshold the postsynaptic cell has many synapses with many presynaptic neurons the post synaptic cell is getting stimulated many times during a short period of time by a single presynaptic neuron the post synaptic cell is slow to repolarizeDefine synapse; pl. synapsesIn chemical synapses, transmission occurs in a forward direction because :-a- neurotransmitter receptors are found only in the postsynaptic membraneb- the subsynaptic membrane does not contain neurotransmitter vesiclesc- the subsynaptic membrane is more sensitive than the membrane of synaptic knob to the effect of neurotransmittersd- the subsynaptic membrane contains both ligand-gated and voltage-gated ionic channels
- A neuron has a resting membrane potential of -70 milivolts (mV) and a threshold value of -55 mV. Three synapses on the body of this neuron receive the impulses listed below. hyperpolarisation by 5 mV • depolarisation by 15 mV • depolarisation by 10 mV ENTER THE MEMBRANE POTENTIAL AS A NUMBER WITH + OR - IN FRONT OF IT. The final membrane potential will be mV and this cause an action potential becasue it is v than theSynaptic transmission depends upon :- a-direct transmission of impulses from the presynaptic neuron to the postsynaptic neuronb- diffusion of neurotransmitters from synaptic knobs into the soma and dendrites of postsynaptic neuronsc- presence of voltage-gated Ca ++ channels in membrane of synaptic knobsd- presence of voltage-gated Ca ++ channels in the subsynaptic membraneAt a chemical synapse, what happens? O action potentials are propagated more quickly than at an electrical synapse O the postsynaptic neuron converts an electrical signal into a chemical signal O the presynaptic neuron converts an electrical signal into a chemical signal O two cells communicate directly via connections at gap junction O there is a synaptic delay of about 3 seconds as the neurotransmitter crosses the synaptic cleft < Previous