Define neural plasticity and synaptic plasticity. 2 marks. Define and explain long-term potentiation. 3 marks. Explain Hebb's rule. 2 marks. Define and explain long-term depression. 3 marks. Explain the difference between neurohormones and neurotransmitters. 3 marks. Explain the role of glutamate in synaptic plasticity. 3 marks. (it is a neurotransmitter) Explain the role of adrenaline in the consolidation of emotionally arousing experiences. 4 marks. (it is a neurohormone) Explain the difference between the function of the amygdala and hippocampus. 4 marks.