Lecture 1 - overview of CNS diseases

Question 1

what do dendrites do?

Answer 1

receive information from the neighbouring neuron

Question 2

what are the seven processes in neurotransmission?

Answer 2

1. neurotransmitter synthesis
2. stored in vesicles
3. action potential dependant release
4. neurotransmitter binds to postsynaptic receptors
5. neurotransmitter binds to presynaptic autoreceptors
6. neurotransmitter deactivated either by reuptake or degradation.

Question 3

how can CNS disorders be diagnosed, for example schizophrenia?

Answer 3

ICD - international statistical classification of diseases used by the NHS.

diagnostic and statistical manual or mental disorders

and common symptoms - positive eg hallucinations, negative eg withdrawal, cognitive eg disorganised thinking.