Neuroscience of Social Behavior and Emotional Disorders (NSBED) - Lectures (Universiteit Utrecht)
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Social neuroscience is a combination of sociology, psychology and neuroscience.
The social brain is non-modular: social behavior is the result of a network.
Evolution of social (and non-social) behavior:
Triune brain model: the human brain is an accumulation of brain regions that can be roughly divided in three phylogenetic stages:
Sometimes a part of our behavior is still driven by similar brain mechanisms.
Reptilian brain: quite modular. Consists of small nuclei with distinct (non)social roles.
Mammalian brain: module-like. Amygdala/insula – fear/disgust
The primate brain: non-modular. But: mirror neurons.
Mirror neurons: neurons that respond to both self-behavior and other-behavior. Thought to serve observational learning. Are not tightly localized to one region.
Conclusion: the social brain might be a mixed mode of modularity.
Subjective measures
Observational measures
Performance measures
Phychophysiology --> controlled by the brain through the spinal cord. ((Para)sympathetic nervous systems).
Skin conductance (SCR)
Heart rate
Electromyography (EMG)
Disadvantage: poor spatial resolution (derived from multiple
sources in the brain)
Magnetic resonance imaging
The strength of the realignment signal is different for different types of tissue. So you can tell the tissue type and structure.
Diffusion tensor imaging (DTI)
Functional MRI
Reversed engineering: infer the function of a region by removing it and measuring the effect on the rest of the system
Human models:
TMS
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