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Some of them are often anti-correlated with the default mode network. [12] Until the mid-2000s, researchers labeled the default mode network as the "task-negative network" because it was deactivated when participants had to perform external goal-directed tasks. [7] DMN was thought to only be active during passive rest and inactive during tasks.
There is also decreased connectivity within the Salience Network in the brains of people who suffer from PTSD. The Default Mode Network, on the other hand, shows higher connectivity. In a healthy brain, the Salience Network modulates between the activation of the Central Executive Network and the Default Mode Network.
[27] [30] One relatively controversial result is that periods of mind-wandering are associated with increased activation in both the default and executive system [28] a result that implies that mind-wandering may often be goal oriented. [16] [31] [32] [33] It is commonly assumed that the default mode network is known to be involved during mind ...
The default mode network (DMN) is thought to process and represent abstract social information, such as mental states, traits, and intentions. [3] [32] [33] Social cognitive functions such as theory of mind, mentalizing, emotion recognition, empathy, moral cognition, and social working memory consistently recruit DMN regions in human ...
Default mode network – network of brain regions that are active when the individual is awake but not focused on the outside world; Task-positive network – network of brain regions that are active during goal-oriented activity; Attention; Mindfulness. Brain activity and meditation
Spreading activation is a method for searching associative networks, biological and artificial neural networks, or semantic networks. [1] The search process is initiated by labeling a set of source nodes (e.g. concepts in a semantic network) with weights or "activation" and then iteratively propagating or "spreading" that activation out to other nodes linked to the source nodes.
Image source: The Motley Fool. Pfizer (NYSE: PFE) Q3 2024 Earnings Call Oct 29, 2024, 10:00 a.m. ET. Contents: Prepared Remarks. Questions and Answers. Call ...
Interaction between dorsal and ventral attention networks enables dynamic control of attention in relation to top-down goals and bottom-up sensory stimulation. [1]The dorsal attention network (DAN), also known anatomically as the dorsal frontoparietal network (D-FPN), is a large-scale brain network of the human brain that is primarily composed of the intraparietal sulcus (IPS) and frontal eye ...