20 years of the default mode network: A review and synthesis. Menon, V. Neuron, 111:2469–2487, August, 2023. doi abstract bibtex The discovery of the default mode network (DMN) has revolutionized our understanding of the workings of the human brain. Here, I review developments that led to the discovery of the DMN, offer a personal reflection, and consider how our ideas of DMN function have evolved over the past two decades. I summarize literature examining the role of the DMN in self-reference, social cognition, episodic and autobiographical memory, language and semantic memory, and mind wandering. I identify unifying themes and propose new perspectives on the DMN's role in human cognition. I argue that the DMN integrates and broadcasts memory, language, and semantic representations to create a coherent "internal narrative" reflecting our individual experiences. This narrative is central to the construction of a sense of self, shapes how we perceive ourselves and interact with others, may have ontogenetic origins in self-directed speech during childhood, and forms a vital component of human consciousness.
@Article{Menon2023,
author = {Menon, Vinod},
journal = {Neuron},
title = {20 years of the default mode network: A review and synthesis.},
year = {2023},
issn = {1097-4199},
month = aug,
pages = {2469--2487},
volume = {111},
abstract = {The discovery of the default mode network (DMN) has revolutionized our understanding of the workings of the human brain. Here, I review developments that led to the discovery of the DMN, offer a personal reflection, and consider how our ideas of DMN function have evolved over the past two decades. I summarize literature examining the role of the DMN in self-reference, social cognition, episodic and autobiographical memory, language and semantic memory, and mind wandering. I identify unifying themes and propose new perspectives on the DMN's role in human cognition. I argue that the DMN integrates and broadcasts memory, language, and semantic representations to create a coherent "internal narrative" reflecting our individual experiences. This narrative is central to the construction of a sense of self, shapes how we perceive ourselves and interact with others, may have ontogenetic origins in self-directed speech during childhood, and forms a vital component of human consciousness.},
citation-subset = {IM},
comment = {* Key cognitive functions subserved by the DMN, including self-reference, social cognition, episodic memory, and its role in personally relevant aspects of remembered experiences, language comprehension and semantic memory, and mind wandering.
* Employing a novel experimental paradigm that modeled the listener’s brain activity from a speaker’s activity, it was found that speaker and listener brain activities were temporally correlated in the mPFC and PCC nodes of the DMN. ( Stephens, G.J., Silbert, L.J., and Hasson, U. (2010). Speaker–listener neural coupling underlies successful communication. Proc. Natl. Acad. Sci. USA 107, 14425–14430.)
* I propose that the DMN integrates these cognitive functions to create a coherent internal narrative of our experiences.},
completed = {2023-08-21},
country = {United States},
doi = {10.1016/j.neuron.2023.04.023},
file = {:/Users/endress/Articles/20 years of the default mode network- A review and synthesis.pdf:PDF},
issn-linking = {0896-6273},
issue = {16},
keywords = {Humans; Brain Mapping; Default Mode Network; Magnetic Resonance Imaging; Brain; Cognition},
mid = {NIHMS1896597},
nlm-id = {8809320},
owner = {NLM},
pii = {S0896-6273(23)00308-2},
pmc = {PMC10524518},
pmid = {37167968},
pubmodel = {Print-Electronic},
pubstate = {ppublish},
revised = {2023-10-03},
}
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I identify unifying themes and propose new perspectives on the DMN's role in human cognition. I argue that the DMN integrates and broadcasts memory, language, and semantic representations to create a coherent \"internal narrative\" reflecting our individual experiences. 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