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The firing rate of a neuron refers to the frequency at which it generates action potentials, typically measured in spikes per second (Hz). This rate can vary significantly depending on the type of neuron and its physiological state, ranging from a few spikes per second to hundreds. Factors such as synaptic inputs, membrane potential, and the overall activity of the neuronal network can influence a neuron's firing rate. It plays a crucial role in encoding information and communicating within the nervous system.
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Spontaneous firing rate of a neuron?
a periodic production of action potentials even without synaptic input
What determines whether a neuron will have an action potential triggered?
The effect upon the target neuron is determined not by the source neuron or by the neurotransmitter, but by the type of receptor that is activated. A neurotransmitter can be thought of as a key, and a receptor as a lock: the same type of key can here be used to open many different types of locks. Receptors can be classified broadly as excitatory(causing an increase in firing rate),inhibitory(causing a decrease in firing rate), or modulatory(causing long-lasting effects not directly related to firing rate).
What is Neural integration in the somatosenory system?
The process by which inhibitory and excitatory post-synaptic potentials summate and control the rate of firing of a neuron.
What is mean by the all or none response of a neuron?
The simplest sense, the all-or-none principle of neuronal firing means that a neuron will either fire or it won't, there is no "half" firing. When a neuron receives excitatory input.
When a neuron fires is there such thing as partial firing?
yes
Neurotransmitters find their way to and subsequently trigger firing of that neuron?
Excitatory neurotransmitter
Does caffeine effect the brain?
Yes, caffeine effects the brain by increasing the neuron firing. Caffeine also speeds up other things like your heart rate.
Can the firing of one neuron produce temporal summation?
True
What do you call the state of a neuron when it is firing a neural impulse?
Resting potential.
The state of the neuron when not firing a neural impulse is known as?
Resting potential
What do you call the state of a neuron when it is not firing a neural impulse?
The state of a neuron when it is not firing a neural impulse is called the resting potential. This is when the neuron is negatively charged inside compared to outside, waiting for a stimulus to change its electrical charge and initiate an action potential.
What stops muscle stimulation when the motor neuron ceases firing?
Acetylcholinesterase is the enzyme that stops muscle stimulation when the motor neuron ceases firing. This enzyme enables acetyl and choline to release their binding sites.
