Classical Fear Conditioning
Source: Breedlove & Watson (2013) Fig. 15.5 (a) p. 470.
Basic Stages of Fear and Extinction Learning
Source: Graham & al. (2014), Fig, 1, p. 6
Regions for Aquisition
CR to a simple acoustic CS
Disappears
- after lesion of the inferior colliculi
- after lesion of the medial geniculate body
Remains - after lesion of the primary auditory cortex (neocortex)
→ primary A1 Auditory Cortex not necessary for CR to simple acoustic CS
Source: Quirk & Mueller, 2008; Fig: 3
Extinction
Positive Korrelation Aktivation des medialen präfrontalen Cortex und
Erfolg des Extinktionslernens Studie Phelps et al. (2004)
Source: Carlson (2013), Fig. 11.4, p. 364
- Angststörungen: Extinktion konditionierter Furcht gelingt nicht (Milad et al., 2010)
- Extinktion als Ziel der Expositionstherapie
- PTSD-Patienten: Defizite bei Furchtextinktion
Fear recall
Amygdala, dACC, dmPFC, Hippocampus
Extinction recall
Amygdala, vmPFC, Hippocampus
Differences in genders
Source: Cover et al. ( 2014), Fig. 2, p.2
see also
Tags: neurobiology science
Superlink: 051 ☣Neurobiology 050 🧠Neuroscience 020 👥Psychology
Classical Conditioning
Amygdala
Fear Network
Source
Created: 15-10-24 12:42