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The Default Mode Network (DMN) is a network of interconnected brain regions that are more active during rest and internal thought processes, such as daydreaming, recalling memories, and envisioning the future. It becomes less active when we engage in focused, goal-directed tasks.(Wikipedia)
🧠 Key Regions of the Default Mode Network
The DMN comprises several core regions:
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Medial Prefrontal Cortex (mPFC): Involved in self-referential thinking, decision-making, and processing information about oneself and close others.
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Posterior Cingulate Cortex (PCC) and Precuneus: Associated with integrating information from memory and perception, and involved in self-awareness and consciousness.(Wikipedia)
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Angular Gyrus: Plays a role in processing language, numbers, and spatial cognition, and is involved in recalling episodic memories.
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Hippocampus and Parahippocampal Gyrus: Crucial for memory formation and retrieval, as well as imagining future scenarios.
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Temporoparietal Junction (TPJ): Involved in understanding others' perspectives and social cognition.(Wikipedia)
🖼️ Visualizing the DMN
For a visual representation of the DMN, you can refer to the following schematic:
This image illustrates the key regions of the DMN, including the medial prefrontal cortex (green), posterior cingulate cortex (red), and lateral parietal regions (blue).(ResearchGate)
🎥 Learn More About the DMN
For a concise overview of the Default Mode Network, you might find this 2-minute video informative:(YouTube)
2-Minute Neuroscience: Default Mode Network
If you're interested in exploring more about the DMN's role in mental health, its development across the lifespan, or how practices like meditation influence its activity, feel free to ask!
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