A trial records the mean results for a group of adults with schizophrenia before and four weeks after they start taking Medication X.
| Measure | Before Medication X | After four weeks |
|---|---|---|
| Dopamine receptor availability (% of pre-treatment level) | 100 | 38 |
| Hallucination rating (0–20) | 16 | 7 |
| Low motivation rating (0–20) | 14 | 13 |
Using the data and your knowledge of drug treatments, explain how Medication X is acting at the synapse and why the two symptoms changed by different amounts.
38 exam-style questions on OCR GCSE Psychology 3.3 Application: The development of treatments, covering 3.3.1 Anti-psychotics and anti-depressants, 3.3.2 Psychotherapy, and 3.3.3 Neuropsychology for study. Each one has a worked solution and a mark scheme showing where the marks go.