tig is a 60-year-old woman who is demonstrating signs of dementia. in particular, she is exhibiting unusual behaviors like washing the floor with shampoo. emotionally, she is highly reactive and is more argumentative with her spouse and neighbors. when her daughter recently visited her she noticed that she was having difficulty when preparing a meal, and even put her hand directly into the boiling water to pull out the noodles. what neurocognitive disorder would you suspect that tig is developing?