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What is excitatory messages?
There are two kinds of neurotransmitters - INHIBITORY and EXCITATORY. Excitatory neurotransmitters are not necessarily exciting - they are what stimulate the brain. Those that calm the brain and help create balance are called inhibitory. Inhibitory neurotransmitters balance mood and are easily depleted when the excitatory neurotransmitters are overactive.
Is serotonin excitatory or inhibtory?
Serotonin can have both excitatory and inhibitory effects depending on the receptor type and the specific brain region. Generally, serotonin is known to have mainly inhibitory functions in the central nervous system.
Is the determination of whether a synapse is excitatory or inhibitory based on what factor?
The determination of whether a synapse is excitatory or inhibitory is based on the type of neurotransmitter released at the synapse. Excitatory synapses release neurotransmitters that promote the firing of the receiving neuron, while inhibitory synapses release neurotransmitters that prevent the firing of the receiving neuron.
Can a nerve impulse occur if the excitatory and inhibitory effects are equal?
no
What is the summing up of excitatory and inhibitory signals in a neuron called?
Integration
What is the summing up of the excitatory and inhibitory signals by a neuron called?
Integration
What is the difference between EPSP and an IPSP?
An EPSP is an excitatory postsynaptic potential, which represent input coming from excitatory cells, whereas an inhibitory postsynaptic potential represents input driven by inhibitory presynaptic cells.
What are the two types of messages a neuron can send?
Excitatory and inhibitory messages. Excitatory messages increase the likelihood of a postsynaptic neuron firing an action potential, while inhibitory messages decrease this likelihood.
How can decision-making in the CNS result from the interaction between the activities of excitatory and inhibitory presynaptic neurons at synapses?
During decision-making, information is processed to choose between two or more alternatives. This involves the interaction of excitatory and inhibitory neurons. This process also involves excitatory and inhibitory neurotransmitters. The post-synaptic action potential is determined by the sum of all signals.
Is dopamine an Inhibitory transmitter?
No, dopamine is not an inhibitory neurotransmitter. It is a type of monoamine neurotransmitter that acts as both an excitatory and modulatory neurotransmitter in the brain.
What determines whether the response of a receiving neuron is excitatory or inhibitory?
The type of neurotransmitter.
How does synaptic integration determine if a nerve impulse is generated or not generated in a neuron?
Neurons integrate incoming signals and sum up the excitatory and inhibitory signals, integration. The excitatory neurotransmitter produces a potential change (signal). This signal pushes the neuron closer to an action potential. If the neuron receives excitatory signals chances are that the axon will transmit a nerve impulse. The inhibitory neurotransmitter produces signals that drive neurons further from an action potential. If neurons receive both the inhibitory and the excitatory signals the summing of the signals may prohibit the axon from firing.
