Online Lecture Week 2

First-order pavlov?

Normal pavlovian conditioning (CS2-US)

Performed in amygdala

Sensory Preconditioning?

Second order pavlovian conditioning

Neutral stimulus associated with the soon to CS2 (directly associated w. CS-US)

PRh in charge of:

Second order conditioning/sensory preconditioning

Amygdala in charge of

First order conditioning

PRh & Amygdala interaction in chaining

Help form + store associations

Separate, at test they are chained together

• Extinguishing one extinguishes the other

PRh & Amygdala interaction in mediated association

Interact to retrieve + update CS1 info (indirectly involved)

What is sensory preconditioning useful for

Understanding trauma & PTSD

What does sensory preconditionining show?

Fear isn’t overgeneralised, it is directly linked to memory & association

Effect of changing salience

Alters learning