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Question 18M.3.HL.TZ2.c

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Date May 2018 Marks available [Maximum mark: 2] Reference code 18M.3.HL.TZ2.c
Level HL Paper 3 Time zone TZ2
Command term Predict Question number c Adapted from N/A
c.
[Maximum mark: 2]
18M.3.HL.TZ2.c

The images show differences in structure between the brain of a person without Alzheimer’s disease (image I) and the brain of a patient with Alzheimer’s disease (image II).

[Source: Reprinted by permission from Springer Nature: Nature, Pathways towards and away from Alzheimer’s disease,
Mark P. Mattson, © 2004]

A person with Alzheimer’s disease typically has a reduced nucleus accumbens. Predict how this will affect the person.

[2]

Markscheme

a. reduced cognitive function/processing/memory 

b. reduced reward/pleasure perception 

c. depression

OWTTE.

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