Emotion centers in the brain?
12 important questions on Emotion centers in the brain?
What is the locationist approach in basic emotion theories?
- Specifically & consistently localised to discrete brain area's or networks
What is the fear center according to locationist hypotheses?
What is the sadness center according to locationist theories?
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What is our conclusion about locationist approaches if we analyse brain activity?
Every area named as a center (amygdala, insula, iOFC, pACC) are active in other emotions aswell
What are the 4 labels for basic emotions in constructionist theories?
Conceptualisation: Interpretation of body sensations in context
Emotion words: Linguistic labels that help cohere together: feelings, behaviours, facial expressions in a meaningful emotion categories
Executive attention: top-down control of bodily sensations, conceptualisation & emotion words
What are emotions according to constructionist theories?
What are new findings from MVPA in neuroimaging?
- Classification of patterns can lead to better decoding: similarity, discriminability
What is the difference between MVPA & standards univariate measuring in prosody?
MVPA: distinct emotion-specific patterns (prosody)
The mPFC is thought to have a general role in emotion processing. What did MVPA reveal about this area? And what conclusion can be made from this?
Conclusion: No specific emotion centers, but distinct emotion-specific distributed patterns.
What area's are most informative for emotions in MVPA? (Which area's can the machine recognise emotions easily?)
(Methode actor study & imagery vs perception study)
What did MVPA of emotion experience using method actors to show emotions to someone in a scanner show?
- 84% correct when training & testing within the same subject
- 70% correct when training & testing on independent subjects
What did studies on imagery vs perception show in MVPA?
- Widely distributed patterns of activity distinguish emotions in a lot of different brain areas
- Different co-activations, but same areas.
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