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Since brain circuits are vulnerable in early childhood, early stressors may impact the development of necessary brain connections. [4] Therefore, the theory of toxic stress is that stress might alter or impair brain circuit formation and essentially result in a small brain size in young children. [4]
[2] [3] [4] Analogous to terms like the genome (the total genetic information of an organism), the proteome (the entire set of proteins expressed) and the connectome (the parts of the entire brain and their interconnections) the dysfunctome aims to map out how disruptions—of whichever nature—contribute to disease states and pathological ...
The "triadic model", which includes a third brain system responsible for emotion processing and primarily implicating the amygdala. [13] The triadic model proposes that this emotion system increases impulsivity during adolescence by increasing the perceived cost of delaying decision-making. This model posits that impulsivity and risk seeking in ...
Limbic resonance is the idea that the capacity for sharing deep emotional states arises from the limbic system of the brain. [1] These states include the dopamine circuit-promoted feelings of empathic harmony, and the norepinephrine circuit-originated emotional states of fear, anxiety and anger.
In fear conditioning, the main circuits that are involved are the sensory areas that process the conditioned and unconditioned stimuli, certain regions of the amygdala that undergo plasticity (or long-term potentiation) during learning, and the regions that bear an effect on the expression of specific conditioned responses. These pathways ...
The consciousness and binding problem is the problem of how objects, background, and abstract or emotional features are combined into a single experience. [1] The binding problem refers to the overall encoding of our brain circuits for the combination of decisions, actions, and perception.
Affective neuroscience is the study of how the brain processes emotions.This field combines neuroscience with the psychological study of personality, emotion, and mood. [1] The basis of emotions and what emotions are remains an issue of debate within the field of affective neuroscience.
As explained in his 1996 book, The Emotional Brain, [2] LeDoux developed an interest in the topic of emotion through his doctoral work with Michael Gazzaniga on split-brain patients in the mid-1970s. [3] Because techniques for studying the human brain were limited at the time, he turned to studies of rodents where the brain could be studied in ...