Which neurotransmitters are highlighted as part of schizophrenia's biological basis?

Which neurotransmitters are highlighted as part of schizophrenia's biological basis?

• A. Dopamine and serotonin
• B. Acetylcholine and norepinephrine
• C. GABA and glutamate
• D. Endorphins and substance P

Answer: (A)

Dopamine’s role in schizophrenia is central, with overactivity in certain dopamine pathways linked to positive symptoms like hallucinations and delusions. Serotonin is implicated too because many antipsychotic medications block serotonin receptors in addition to dopamine receptors, which helps modulate dopamine’s effects and can influence symptoms, including mood and some cognitive aspects. Together, this pairing—dopamine and serotonin—captures the commonly highlighted biological basis for schizophrenia in many educational resources, especially in how treatments target both systems. Other neurotransmitters like acetylcholine, norepinephrine, GABA, glutamate, or neuropeptides such as endorphins and substance P are involved in broader brain functioning, but the classic focus for schizophrenia’s biology centers on dopamine with serotonin modulation.

Dopamine’s role in schizophrenia is central, with overactivity in certain dopamine pathways linked to positive symptoms like hallucinations and delusions. Serotonin is implicated too because many antipsychotic medications block serotonin receptors in addition to dopamine receptors, which helps modulate dopamine’s effects and can influence symptoms, including mood and some cognitive aspects. Together, this pairing—dopamine and serotonin—captures the commonly highlighted biological basis for schizophrenia in many educational resources, especially in how treatments target both systems. Other neurotransmitters like acetylcholine, norepinephrine, GABA, glutamate, or neuropeptides such as endorphins and substance P are involved in broader brain functioning, but the classic focus for schizophrenia’s biology centers on dopamine with serotonin modulation.