For instance, decreased BDNF has been linked to cognitive symptoms of schizophrenia where research exhibits that on providing cognitive remediation there is a significant increase in BDNF levels and this cocontributes in improving global cognition, learning, verbal memory, and processing speed in schizophrenic clients.[106, 108] Collaterally, a study by Kropp et al.[109] has shown that typical antipsychotic drugs used to treat schizophrenia tend to elevate oxidative stress by altering levels of antioxidant enzyme causing lipid peroxidation in them. The gene discussed is BDNF; the disease is schizophrenia.