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970516
6.5 Neurons and Synapses
Description
DP IB Biology (06 Human Physiology) Mind Map on 6.5 Neurons and Synapses, created by Steve Harton on 04/06/2014.
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neuron
synapse
ib biology
06 human physiology
dp
Mind Map by
Steve Harton
, updated more than 1 year ago
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Created by
Steve Harton
over 10 years ago
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Resource summary
6.5 Neurons and Synapses
NATURE OF SCIENCE
Cooperation and collaboration
Research into memory and learning
NEURONS TRANSMIT ELECTRICAL IMPULSES
Myelination of nerve fibres
Allows for saltatory conduction
Analysis of oscilloscope traces
Resting potential
Neurons pump Na+ and K+ across their membranes to generate it
Action potential
Depolarisation and repolarisation of the neuron
Propagation of nerve impulses
Threshold potential
A nerve impulse is only initiated if the threshold potential is reached
SYNAPSES
Pre vs Postsynaptic neurons
Neurotransmitter
Secretion and reabsorption of aceylcholine by neurons
Pesticides
Blocking of synaptic transmission at cholinergic synapses in insects by binding of neonicotinoid pesticides to acetylcholine receptors
Development of numerous pharmaceuticals for the treatment of mental disorders
Aim 8
Social effects of the abuse of psychoactive drugs
Neurotoxin Botox for cosmetic treatments
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