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Why electrical impulses are referred to as neural impulses?
Electrical impulses are referred to as neural impulses because a neural impulse cause electrical impulses. Neurons use electrical impulses to send messages.
Myelination in the brain serves to?
Myelination in the brain serves to increase the conduction speed of nerve impulses and improve overall communication between different parts of the brain. It also helps to protect and insulate nerve fibers, providing structural support and maintaining the integrity of the neural network.
What are also called neural impulses?
Action potential is a neural impulse.
Neural transmission across a mammalian synaptic gap is accomplished by?
impulses causing the release of a chemical signal and its diffusion across the synapse.
A factor that determines the rate of impulse propagation or conduction velocity along an axon?
One factor that determines the rate of impulse propagation or conduction velocity along an axon is the myelination of the axon. Myelinated axons conduct impulses faster than unmyelinated axons due to the saltatory conduction mechanism, where the action potential jumps from one node of Ranvier to the next. Another factor is the axon diameter, as larger diameter axons have lower resistance to ion flow and can conduct impulses faster compared to smaller diameter axons.
What are responsible for converting sensory messages into neural impulses?
Sensory receptors, such as photoreceptors in the eyes, mechanoreceptors in the skin, and chemoreceptors in the nose, are responsible for converting sensory messages (like light, pressure, and chemicals) into neural impulses. These neural impulses are then transmitted to the brain for processing and interpretation.
Which structure is responsible for transducing light into neural impulses?
The retina is responsible for transducing light into neural impulses. It is a layer of tissue located at the back of the eye that contains photoreceptor cells (rods and cones) that convert light into electrical signals that can be processed by the brain.
Neural impulses are first sensed by the?
the optic nerve in your eye
What creates the electrical signal in your heart?
neural impulses from the brain
What helps changes light rays into neural impulses?
Retina
Are also called neural impulses?
Action potential is a neural impulse.
Where do faster neural impulses occur?
Faster neural impulses occur in myelinated neurons, specifically at the nodes of Ranvier where the myelin sheath is interrupted. This allows for a process called saltatory conduction, where the action potential jumps from one node to the next, speeding up the transmission of electrical signals along the neuron.
