There is always a distinct scent of olive oil and serrano chilies whenever salma enters her aunt's home. she no longer notices the smells after staying a little while inside the house. this scenario is an example of

It is an example of habituation. Habituation is a type of learning in which a living being reductions or stops its reactions to a jolt after rehashed introductions. Basically, the living being figures out how to quit reacting to a boost which is not any more organically applicable. 
Habituation, as a rule, alludes to a diminishment in intrinsic practices, as opposed to practices created amid molding. A dynamic decrease of a conduct in a habituation technique may likewise reflect nonspecific impacts, for example, weariness, which must be discounted when the premium is in habituation as a learning procedure