Olfaction Flashcards
1
Q
What is olfaction?
A
Olfaction is the action or capacity of smelling; the sense of smell.
2
Q
What does the olfaction act as?
A
An early warning system.
3
Q
What are the two dimension of olfaction?
A
- Edible vs inedible
- Approach vs avoid
4
Q
What is the Proust effect?
A
It is the ability to unlock autobiographical memories
5
Q
What are odour memories?
A
They are memories that are more emotional and vivid, casued by greater activation of the amydala.
6
Q
Where is environmental scenting used?
A
- Shopping centres.
- Banks .
- Bakeries.
7
Q
Olfaction is a ___ sense.
A
direct
8
Q
Generation of odour images can influence ___ behaviour.
A
eating
9
Q
Describe the process of olfaction.
A
- Sent to high cortical areas via the mitral cells which are the output neurons in the olfactory bulb.
- In then arrives at the Piriform cortex (primary olfactory area) and orbitofrontal cortex (secondary olfaction area) and it is a short distance from the amygdala and all the other pathways.
- Does not involve the thalamus (which is a relay station needed for all other senses.
10
Q
Humans can discrimination around ___ odours.
A
100,000
11
Q
- Sex differences: females outperform men by ___% (Cain, 1982).
A
80
12
Q
A
