1146397
Description
Mind Map by Shirley Barker, updated more than 1 year ago
|
Created by Shirley Barker
over 9 years ago
|
|
Neural basis
of learning
- Synapse formation
during learning
- Involves creation of new neural pathways OR
the strengthening of existing neural pathways.
- Neural pathway - bundle of
myelin-covered neurons (white
matter) that provide a
connection between one part
of the nervous system and
another
- Neural pathway - bundle of
myelin-covered neurons (white
matter) that provide a
connection between one part
of the nervous system and
another
- Involves synaptogenesis
- Synaptogenesis -process of moulding
or forming new
synapses are formed
- Synaptogenesis -process of moulding
or forming new
synapses are formed
- Involves creation of new neural pathways OR
the strengthening of existing neural pathways.
- Synapse
- Made up of axon terminal
(presynaptic neuron),
synaptic gap and dendrite
(postsynaptic nueron)
- During learning the presynaptic
neuron releases glutamate into
the synaptic gap.
Annotations:
- Glutamate the main excitatory neurotransmitter involved in learning The repeated release of glutamate releases dopamine and leads to an increase in dendritic spines - growth from the dendrites toward the axon terminals.
- When new learning occurs the neurons
form new connections with each other.
- 'Sprouts' - term for the new growth
that occurs from the axon terminals
towards dendrites
Annotations:
- It is okay to say that new 'sprouts' rather than fifgree appendages occur when something is learned.
- New growth also occurs between
dendrites towards the axon terminals. This
makes the dendrites more sensitive to
future firing from neighbouring neurons.
- 'Sprouts' - term for the new growth
that occurs from the axon terminals
towards dendrites
- Made up of axon terminal
(presynaptic neuron),
synaptic gap and dendrite
(postsynaptic nueron)
- Strengthening of
neural pathway
- Enables the newly learnt information to be transferred
from one neuron to the next.
- The more the neural pathway is activated during learning the
more it is strengthened and the less likely learning will be
forgotten.
- If a particular neural pathways are not
activated the learning may be forgotten;
synapses become weakened through
infrequent use.
- Enables the newly learnt information to be transferred
from one neuron to the next.
- Study of neurobiological basis of
learning has just begun!
- The more we understand the more we can apply our
understanding to treat phobias, learning
disabilities, psychological orders etc.
- The more we understand the more we can apply our
understanding to treat phobias, learning
disabilities, psychological orders etc.
Want to create your own Mind Maps for free with GoConqr? Learn more.