A 65-year-old female patient presented with depression , mood swings, reduced energy, and anhedonia. Her condition worsened and she complained of non-specific limb weakness. She was admitted to the hospital with a myocardial infarction but was later released after recovery. In the following months, her condition worsened further as she complained of anxiety, social isolation, amnesia , limb weakness, and pain. She also developed an abnormal gait. Neurological examination showed enhanced bilateral reflexes, unspecific wide-based gait, and abolished bilateral postural sensitivity.

Her blood samples showed low folic acid content. The patient showed progressive memory loss, hallucinations, worsening mood, speech defects, and suicidal ideation. The neuropsychiatry team studied her psychiatric symptoms and genetic tests were advised. What can be the probable diagnosis? Source : Case Reports…