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What minimum level of a stimiulus required to activate a neuron?
Wiki User
∙ 12y ago
threshold
Wiki User
∙ 12y ago
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What type of neuron will activate the biceps muscle in your arm?
Motor
10 letters. What is a kind of message that increases the likelihood that a neuron will activate?
excitatory message
Why is the resting membrane potential the same in both the sensory neuron and the interneuron?
Because it didnt have a stimulus to activate depolarization
An efferent neuron carries impulses in the direction opposite of?
opposite of an afferent neuron. an efferent neuron goes from the central nervous system to the organ in the body that will perform the required action.
Why is the resting membrane potential the same value in both the sensory neuron and the interneuron?
Because it didnt have a stimulus to activate depolarization
What is accomplished by synaptic transmission?
Synaptic transmission, also called neurotransmission, refers to the process wherein neurotransmitters are released by a neuron to activate the receptors of another neuron. Communication between two nerve cells is accomplished by synaptic transmission.
Minimum level of stimulation required to trigger a neural impulse?
An action potential needs to occur to trigger the neurons but the action potential depends on whether a stimulus is able to bring the membrane potential to a certain level termed the THRESHOLD. This threshold is about -55 mV for most neurons, but the stimulus needs to bring the membrane potential to this certain level or it will not be triggered. Relating to the ALL-OR-NONE PRINCIPLE, which if the threshold is not acquired then an action potential will not occur but once a stimulus is strong enough to depolarize (making the inside of the cell less negative going from -70 mV to -55 mV) it will trigger. The resting potential is -70 mV which the stimulus needs to bring it up to -55mV.
How you can heal Your Neuron & Activate The best neuron for your mind ?
Its very easy to achieve something . But to make it always within you . You shoud watch something creative . You can watch this video for more information .
What circuit types is exemplified by impulses that travel from a single neuron of the brain and activate a hundred or more motor neurons in the spinal cord?
Diverging circuits
Which is the last part of the neuron to be involved in the transmission of a neural impulse towards the next neuron?
Signalling ALONG a neuron is electrical, but signalling BETWEEN neurons is a chemical process. Neuron A 'passes' a message onto the next by releasing chemicals called neurotransmitters , which are then taken up by neuron B. The point at which these neurotransmitters are released from the neuron A is called the 'terminal bouton' and is the end of its axon. More specifically, it is the presynaptic membrane OF the terminal bouton at which the passing on of a message occurs.
What are neuro transmitters?
The nervous system is composed of many cells called neurons, these are essentially the functional units of the nervous system. ?Neurotrnasmitters are chemical messengers that are sent from one neuron to another neuron. ?So basically they are messangers communicating from one neuron to the next. ?Some neurotransmitters are excitatory which act to help activate a neuron, some neurotransmitters are inhibitory and act to reduce excitement of a neuron. ?Many many neurotransmitters will act on a neuron at a given time and the sum total will result in either an excitation or inhibition of that neuron. ?Examples of neurotransmitters include GABA, glutamate, serotonin, dopamine, acetylcholine, histamine, ?glycine, epinephrine, norepinephrine, melatonin, substance P, and many more!
Where is the neuron?
The Inter-neuron (also known as the local circuit neuron, relay neuron or the association neuron) is the neuron which connects the afferent and the efferent neurons in the neural pathways.
