Mild cognitive impairment (MCI) involves slight memory issues but doesn't disrupt daily life. In contrast, major neurocognitive disorders like Alzheimer’s cause severe, progressive memory loss and impaired function. Depression, while primarily a mood disorder, can mimic cognitive decline (known as pseudodementia), but its cognitive effects are reversible with treatment. It is important that, with the help of a specialist, each of these pathologies can be differentiated and correctly diagnosed. A