Can neurapothy cause psychosis in 65 year old, who has full memory, but started getting dillusional and agressive?

Assuming neuropathy. Assuming you mean neuropathy, an isolated neuropathy should not cause psychosis. However, conditions that are related to psychoses (e.g. drugs) can also cause neuropathies. Hence, seeing a knowledgeable health care provider is important to assess all potential causes of both to see whether there is an overlap.