Chapter 7: Taste and Smell: Sensing the World Around Us Through Chemistry:

gustation

taste

olfaction

smell

sweet

The only flavor that everyone craves

unami

A new discovery, a savory, steak flavor

taste buds

Receptors the tongue and oral cavity in clusters of about 25 called ______ ____.

20

___% of tastebuds are lost by college age.

papillae

Tastebuds are located on _________.

brainstem

Perception of taste first goes to the ___________.

thalamus

After perception pf taste goes to the brainstem, it goes to the __________.

higher cortex

After perception of taste passes through the brainstem and thalamus, it goes to the somatosensory areas and the _______ ______.

olfactory mucosa

Receptors for olfaction are embedded in the ________ ______ of the nose

30-35

New olfactory receptors develop throughout life, about every _______ days.

more

Animals have ______ (more/less) olfactory receptors than humans.

odorants

__________ are the molecules for smell.

8

There are __ primary smells

olfactory bulb

Axons carry olfaction perception directly to the _________ _____.

thalamus

Olfaction perception skips the _________ and goes directly to the olfactory bulb because it is crucial to survival.

frontal cortex

From the olfactory bulb, the ________ _______ is responsible for the conscious perception of smell.

hypothalamus amygdala

From the olfactory bulb, the ___________ ________ is responsible for the motivational and emotional aspects of smell.

hippocampus

From the olfactory bulb, the ____________ is responsible for odor memory.

smell

_______ is the only sense that can trigger memory.

pheromones

Chemicals that influence behavior, substance s message bearing.