Felix is a person with schizophrenia who has been taking conventional antipsychotic medications for several years to treat his delusions and hallucinations. felix often makes involuntary motor movements of his mouth such as smacking his lips. felix appears to be experiencing , a side effect of long-term use of conventional antipsychotic medication.

Which of the following discoveries would be most likely to cause a scientific paradigm shift? a. the discovery of more rings around uranus b. the discovery of a new pathogenic virus transmitted by mosquitoes c. the discovery that a dormant volcano is showing signs of activity d. the discovery of a new species of salamander in the amazon rainforest e. the discovery that excess heat is radiating from the center of the earth and causing global climate change