Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Comment
. 2010 Feb 9;107(6):E23; author reply E24.
doi: 10.1073/pnas.0914194107. Epub 2010 Feb 8.

To dip or not to dip: reconciling optical imaging and fMRI data

Comment

To dip or not to dip: reconciling optical imaging and fMRI data

Kâmil Uludag. Proc Natl Acad Sci U S A. .
No abstract available

PubMed Disclaimer

Conflict of interest statement

The author declares no conflict of interest.

Comment on

References

    1. Vanzetta I, Grinvald A. Coupling between neuronal activity and microcirculation: implications for functional brain imaging. HFSP J. 2008;2:79–98. - PMC - PubMed
    1. Buxton RB. The elusive initial dip. Neuroimage. 2001;13:953–958. - PubMed
    1. Sirotin YB, Hillman EM, Bordier C, Das A. Spatiotemporal precision and hemodynamic mechanism of optical point spreads in alert primates. Proc Natl Acad Sci USA. 2009;106:18390–18395. - PMC - PubMed
    1. Kim T, Hendrich KS, Masamoto K, Kim SG. Arterial versus total blood volume changes during neural activity-induced cerebral blood flow change: Implication for BOLD fMRI. J Cereb Blood Flow Metab. 2007;27:1235–1247. - PubMed
    1. Uludağ K, Müller-Bierl B, Uğurbil K. An integrative model for neuronal activity-induced signal changes for gradient and spin echo functional imaging. Neuroimage. 2009;48:150–165. - PubMed

LinkOut - more resources