BACKGROUND It is widely believed that the human sense of smell is inferior to that of other
mammals, especially rodents and dogs. This Review traces the scientific history of this idea …

Background: Olfactory dysfunction is an increasingly recognised condition, associated with
reduced quality of life and major health outcomes such as neurodegeneration and death …

Anosmia and hyposmia, the inability or decreased ability to smell, is estimated to afflict 3–
20% of the population. Risk of olfactory dysfunction increases with old age and may also …

Background The literature regarding clinical olfaction, olfactory loss, and olfactory
dysfunction has expanded rapidly over the past two decades, with an exponential rise in the …

The sense of smell is interrelated with psychosocial functioning. Olfactory disorders often
decrease quality of life but treatment options for people with olfactory loss are limited …

The central processing pathways of the human olfactory system are not fully understood.
The olfactory bulb projects directly to a number of cortical brain structures, but the distinct …

Early reports have suggested that smell loss may be an early symptom associated with the
pandemic known as coronavirus disease 2019 (COVID‐19). The possibility that severe …

Objective Olfactory dysfunction is a common problem that is most frequently attributed to
upper respiratory infection. Postviral olfactory dysfunction (PVOD) can be prolonged and …

Importance Olfactory dysfunction affects approximately 20% of the general adult population.
It is associated with reduced quality of life and important health care outcomes such as …

During mammalian evolution, primate neocortex expanded, shifting hippocampal functional
networks away from primary sensory cortices, towards association cortices. Reflecting this …