Final answer:
First generation antipsychotics are used to treat psychosis in conditions such as schizophrenia and bipolar disorder by blocking the effects of dopamine. Examples include chlorpromazine and haloperidol.
Step-by-step explanation:
First generation antipsychotics, also known as neuroleptics, are primarily used to treat psychosis in conditions such as schizophrenia and bipolar disorder. They work by blocking the effects of dopamine, a neurotransmitter associated with certain symptoms of schizophrenia. Some examples of first generation antipsychotics include chlorpromazine and haloperidol.