Question 18N.3.HL.TZ0.d
| Date | November 2018 | Marks available | [Maximum mark: 2] | Reference code | 18N.3.HL.TZ0.d |
| Level | HL | Paper | 3 | Time zone | TZ0 |
| Command term | Outline | Question number | d | Adapted from | N/A |
A patient was asked to trace a line between two guidelines of a star shape, starting at point S (see star image) while viewing the star in a mirror. The graph shows the number of times the patient strayed outside the boundaries while drawing the star in each trial for both hands.
[Reprinted from Neuron, 20(3), Brenda Milner, Larry R. Squire and Eric R. Kande, 'Cognitive neuroscience and the study of memory',
pp. 445–468, Copyright (1998), with permission from Elsevier. https://www.sciencedirect.com/journal/neuron]
Outline the effects of slow-acting neurotransmitters.
[2]
a. slow-acting neurotransmitters affect learning/memory ✔
b. «slow-acting neurotransmitters» trigger the release of secondary messengers «in postsynaptic neuron» ✔
c. synaptic transmission is enhanced
OR
increase in the number of receptors in the postsynaptic membrane ✔
d. modulate/reduce/increase fast synaptic transmission «in the brain» ✔
