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Transcript
Dendrites



Dendrites function like antennae, they are the branched projections of a neuron that
received input (electrochemical stimulation) and communicate with other neural cells
to the cell body, or Soma.
In relation to memory formation: Dendrites become bushier – (more
spines) thus enabling more synapses or more synaptic connections
(more storage space in effect)
When memories are retrieved, the functional & structural changes are
further strengthened
Axons
Acts as a conduit, An axon is a long, slender projection of a nerve cell, or
neuron that conducts electrical impulses away from the neuron's cell body
or soma.
Myelin Sheath
The axon is protected & insulated by the myelin sheath, the myelin sheath
facilitates the transmission of neural impulses
Synapse
The Synapse is a junction that permits a neuron to pass an electrical or chemical signal to
another cell via the terminal buttons at the end of axons to the dendrites of the next
neuron.
Soma (contains
nucleus)
The Soma is the cell body (the cell factory), which contains the nucleus which contains
most of the cell's genetic material, it is the control center of the cell
Neurotransmitters
Neurotransmitters are the chemicals which allow the transmission of signals from one
neuron to the next across synapses. Neurons connect to each other to form networks.
Neural basis of learning
Neurotransmitters
Neurotransmitters are the chemicals which allow the transmission of signals from one
neuron to the next across synapses. Neurons connect to each other to form networks.
Synapse
formation


Occurs when there is a creation of a new neural formation
Thus learning results in relatively permanent changes in the synapses of
animals neurons.
Learning & the
synapse


Learning can result in new synapses being formed – or –
The connections between neurons at the synapse can be strengthened
thus making it more likely that these neurons will fire again together
and transmit signals in the future.
Thus regularly revisiting a learned skill or memory such as your ability
to speak a second language – will strengthen the neural connections

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