21. Cognitive deficits resulting from stroke include perceptual disorders, aphasia, dementia, and problems with attention and memory.22. Administering . 5 mg etizolam twice daily did not induce cognitive deficits over 3 weeks when compared to placebo. 23. "' Neurotoxicology "': Long-term exposure to lead can lead to cognitive deficits . 24. Further knowledge can be gained about implicit memory of odor through the study of the implications of cognitive deficits . 25. Some survivors of cerebral malaria have an increased risk of neurological and cognitive deficits , behavioural disorders, and epilepsy. 26. Long-term use of nitrazepam carries mental and physical health risks, such as the development of cognitive deficits . 27. This shows that the cognitive deficits that affect the ToM play central role in the phenotype expressed in AS patients. 28. TDCS has also been studied in various psychiatric disorders such as depression, and to reverse cognitive deficits in schizophrenia. 29. There is evidence that this may be due to damage to the visual system rather than caused by cognitive deficits . 30. Certain, at least previously, widely used organochlorides, such as PCB, have been associated with cognitive deficits .