antipsychotic agent second generation antipsychotic Antipsychotic drugs which can have different modes of action but which tend to be less likely than first generation antipsychotics to cause extrapyramidal motor control disabilities such as body rigidity or Parkinson's disease-type movements. Antipsychotic drugs which can have different modes of action but which tend to be less likely than first generation antipsychotics to cause extrapyramidal motor control disabilities such as body rigidity or Parkinson's disease-type movements. CHEBI:65191 atypical antipsychotic atypical antipsychotic agent atypical antipsychotic agents atypical antipsychotic drug atypical antipsychotic drugs atypical antipsychotics second generation antipsychotic agent second generation antipsychotic agents second generation antipsychotic drug second generation antipsychotic drugs second generation antipsychotics antipsychotic agent