Cited by 337Functional Brain Connectivity StudiesNeural dynamics and brain functionAdvanced Neuroimaging Techniques and Applications

Extrinsic and intrinsic systems in the posterior cortex of the human brain revealed during natural sensory stimulation

Golland, Yulia, Bentin, Shlomo, Gelbard, Hagar, Benjamini, Yoav, Heller, Ruth, Nir, Yuval, Hasson, Uri, Malach, Rafael·2007·Cerebral Cortex

Abstract

When exposing subjects to a continuous segment of an audiovisual movie, a large expanse of human cortex, especially in the posterior half of the cerebral cortex, shows stimulus-driven activity. However, embedded within this widespread activity, there are cortical regions whose activity is dissociated from the external stimulation. These regions are intercorrelated among themselves, forming a functional network, which largely overlaps with cortical areas previously shown to be deactivated by task-oriented paradigms. Moreover, the network of areas whose neuronal dynamics are associated with external inputs and the network of areas that appears to be intrinsically driven complement each other, providing coverage of most of the posterior cortex. Thus, we propose that naturalistic stimuli reveal a fundamental neuroanatomical partition of the human posterior cortex into 2 global networks: an "extrinsic" system, comprising areas associated with the processing of external inputs, and an "intrinsic" system, largely overlapping with the task-negative, default-mode network, comprising areas associated with--as yet not fully understood--intrinsically oriented functions.

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  • There may be an antagonism between externally oriented cortical networks and internally oriented default-mode networks.

    “An intriguing possibility concerns the putative antagonism between externally oriented cortical networks and internally oriented, default-mode networks[92, 93].”

    From Dreaming and the brain: from phenomenology to neurophysiology (2010) · cites this paper as [92]

    The Introduction distinguishes an externally driven extrinsic system from an intrinsic system associated with internally driven functions, and the default-mode comparison reports that parts of the intrinsic system deactivate during visual stimulation. But the same comparison explicitly says this study did not observe a negative correlation between the two systems. The paper therefore supports a possible tension between them, not a demonstrated antagonistic relationship. (LLM, conf=0.85)

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Authors
Golland, Y., Bentin, S., Gelbard, H., Benjamini, Y., Heller, R., Nir, Y., Hasson, U., & Malach, R.
Affiliations
  • Hebrew University of Jerusalem (IL)
  • Weizmann Institute of Science (IL)
  • Tel Aviv University (IL)
  • New York University (US)
Venue
Cerebral Cortex
Published
2006-05-12
Volume
17
Issue
4
Pages
766-777
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2167017100
Cited by
337
References
73
Citations by year
2026: 6 · 2025: 9 · 2024: 10 · 2023: 13 · 2022: 15 · 2021: 18 · 2020: 15 · 2019: 13 · 2018: 12 · 2017: 21 · 2016: 25 · 2015: 22 · 2014: 22 · 2013: 27 · 2012: 19
FWCI
7.93
Type
journal article
Language
en
Open access
closed
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institute of Mental Health (R01-MH64458, R01MH064458)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
Keywords
posterior cortex, default mode network, task-negative network, functional networks, cortical deactivation
MeSH terms
Acoustic Stimulation, Adult, Afferent Pathways, Brain Mapping, Cerebral Cortex, Evoked Potentials, Auditory, Evoked Potentials, Visual, Humans, Nerve Net, Photic Stimulation, Sensation

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