#rhinencephalon

[heavenlyyshecomes]

“We don’t often think in terms of color and light when it comes to smell, perhaps because we have so few words for scent that we borrow from the lexicons of our other senses. Despite the fact that smell is our most ancient sense — our so-called “lizard brain” is also sometimes termed the rhinencephalon, literally the “nose brain” — it is also one that seems to elude language. “Smell is the mute sense, the one without words,” wrote Diane Ackerman in A Natural History of the Senses. “Lacking a vocabulary, we are left tongue-tied, groping for words in a sea of inarticulate pleasures and exaltation. We’ve had eons to come up with words for the precise smell of fresh-turned earth or the exact scent of a blazing beach fire, and still the best we can do is earthy and smoky.”

The Ugly History of Beautiful Things: Perfume

[schwarz-gerat]

We don’t often think in terms of color and light when it comes to smell, perhaps because we have so few words for scent that we borrow from the lexicons of our other senses. Despite the fact that smell is our most ancient sense — our so-called “lizard brain” is also sometimes termed the rhinencephalon, literally the “nose brain” — it is also one that seems to elude language. “Smell is the mute sense, the one without words,” wrote Diane Ackerman in A Natural History of the Senses. “Lacking a vocabulary, we are left tongue-tied, groping for words in a sea of inarticulate pleasures and exaltation.” We’ve had eons to come up with words for the precise smell of fresh-turned earth or the exact scent of a blazing beach fire, and still the best we can do is earthy and smoky.

[geethahari]

Limbic System

The word limbus means ring, the term limbic system is applied to the parts of the cortical and subcortical structures that form a ring around the upper end of the brainstem. The limbic system was formerly called rhinencephalon because of its association to olfaction, but in human beings only a small part of it is actually concerned with smell. The limbic cortex is phylogenetically oldest part…