
Khan Academy | Khan Academy
Learn about synapses, the connections between neurons in the nervous system, and how they transmit signals efficiently on Khan Academy.
Neuronal synapses (chemical) (video) | Khan Academy
There actually are certain neurons where there isn't any gap--electrical synapses connect directly because electrical signals cannot travel through a gap. Chemical synapses need the synaptic cleft so …
Neurotransmitters and receptors (article) | Khan Academy
In the article on synapses, we discussed how synaptic transmission works. Here, we’ll focus on neurotransmitters, the chemical messengers released from neurons at synapses so that they can …
The synapse (article) | Human biology | Khan Academy
A single axon can have multiple branches, allowing it to make synapses on various postsynaptic cells. Similarly, a single neuron can receive thousands of synaptic inputs from many different …
Neuronal synapses questions (practice) | Khan Academy
MCAT Course: MCAT > Unit 8 Lesson 4: Neuronal synapses Neuronal synapses questions Mini MCAT passage: Neurotransmitter removal from the synapse Mini MCAT passage: Manipulating synaptic …
Signal propagation: The movement of signals between neurons
Synapses between neurons are either excitatory or inhibitory – and that all comes down to the neurotransmitter released. Excitatory neurotransmitters cause the signal to propagate - more action …
La synapse (leçon) | Influx nerveux | Khan Academy
Comment les neurones communiquent entre eux au niveau des synapses. Synapses chimiques versus électriques.
Overview of neuron structure and function - Khan Academy
These connections, known as synapses, are the sites at which information is carried from the first neuron, the presynaptic neuron, to the target neuron (the postsynaptic neuron).
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Neuroplasticity (video) | Khan Academy
This process involves changes in synapses and neurons, leading to potentiation or depression of information flow. It's most active during development, but continues throughout life, with research …