Tests on a patient show low activity of the neurotransmitter serotonin. Which of the following psychological disorders has been linked to this cause?
Answer & explanation
Correct answer: option 1
The correct answer is Option (1) → Depression
Option (1) Depression — Correct. Depression has been linked to low activity of serotonin. Abnormal activity of certain neurotransmitters can lead to specific disorders.
Option (2) Anxiety disorders — Incorrect. Anxiety disorders are linked to low activity of GABA (gamma aminobutyric acid).
Option (3) Schizophrenia — Incorrect. Schizophrenia is linked to excess activity of dopamine. It is also linked to genetic factors, but not to low serotonin.
Option (4) Bipolar and related disorders — Incorrect. Bipolar and related disorders are linked to genetic factors. No neurotransmitter is named for them.
NCERT (2026-27): “FACTORS UNDERLYING ABNORMAL BEHAVIOUR … |