Spatiotemporal characteristics of low-frequency functional activation measured by laser speckle imaging

IEEE Transactions on Neural Systems and Rehabilitation Engineering

Volumn 13, Issue 2, 2005, Pages 179-185

  Lau, William ^a   Tong, Shanbao ^a   Thakor, Nitish V ^a  

^a JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

Cerebral blood flow (CBF); Functional imaging; Laser speckle imaging (LSI); Neuronal activity; Whisker barrel field; Whisker stimulation

Indexed keywords

BIOELECTRIC POTENTIALS; BLOOD; BRAIN; IMAGING SYSTEMS; LASER APPLICATIONS; NEURAL NETWORKS; PHYSIOLOGICAL MODELS; SPECKLE;

LASER SPECKLE IMAGING (LSI); MECHANICAL STIMULI; RAT BARREL CORTEX;

NEUROLOGY;

ADOLESCENT; ANIMAL EXPERIMENT; AREA OF ACTIVATION; ARTICLE; BRAIN BLOOD FLOW; DIAGNOSTIC ACCURACY; FUNCTIONAL IMAGING; HEMODYNAMICS; IMAGING; LASER; LASER DOPPLER FLOWMETRY; LASER SPECKLE IMAGING; MALE; MECHANICAL STIMULATION; NERVE CELL; NERVE CELL STIMULATION; NEUROPHYSIOLOGY; NONHUMAN; PARAMETER; PEAK RESPONSE MAGNITUDE; PRIORITY JOURNAL; RAT; SOMATOSENSORY CORTEX; SPATIAL DISCRIMINATION; STIMULUS FREQUENCY; TIME; TIME TO MAXIMAL AREA OF ACTIVATION; TIME TO REACH PEAK RESPONSE MAGNITUDE;

ANIMALS; BRAIN MAPPING; CEREBRAL CORTEX; EVOKED POTENTIALS, SOMATOSENSORY; IMAGE INTERPRETATION, COMPUTER-ASSISTED; LASERS; MALE; PERIODICITY; PHYSICAL STIMULATION; RATS; RATS, SPRAGUE-DAWLEY; VIBRISSAE;

EID: 22544439999     PISSN: 15344320     EISSN: None     Source Type: Journal    
DOI: 10.1109/TNSRE.2005.847371     Document Type: Article

References (22)

1. B. Ruth, "Measuring the steady-state value and the dynamics of the skin blood flow using the noncontact laser speckle method," Med. Eng. Phys., vol. 16, no. 2, pp. 105-111, 1994.
2. Y. Tamaki, M. Araie, E. Kawamoto, S. Eguchi, and H. Fujii, "Non-contact, two-dimensional measurement of retinal microcirculation using laser speckle phenomenon," Invest. Ophthalmol. Vis. Sci., vol. 35, no. 11, pp. 3825-3834, 1994.
3. K. Yaoeda, M. Shirakashi, S. Funaki, H. Funaki, T. Nakatsue, and H. Abe, "Measurement of microcirculation in the optic nerve head by laser speckle flowgraphy and scanning laser doppler flowmetry," Amer. J. Ophthalmol., vol. 129, no. 6, pp. 734-739, 2000.
4. H. Cheng, Q. Luo, Q. Liu, Q. Lu, H. Gong, and S. Zeng, "Laser speckle imaging of blood flow in microcirculation," Phys. Med. Biol., vol. 49, no. 7, pp. 1347-1357, 2004.
5. C. Ayata, A. K. Dunn, O. Y. Gursoy, Z. Huang, D. A. Boas, and M. A. Moskowitz, "Laser speckle flowmetry for the study of cerebrovascular physiology in normal and ischemic mouse cortex," J. Cereb. Blood Flow Metab., vol. 24, no. 7, pp. 744-755, 2004.
6. B. E. Peterson, D. Goldreich, and M. M. Merzenich, "Optical imaging and electrophysiology of rat barrel cortex. I. Responses to small single-vibrissa deflections," Cereb. Cortex, vol. 8, no. 2, pp. 173-183, 1998.
7. P. T. Fox and M. E. Raichle, "Stimulus rate dependence of regional cerebral blood flow in human striate cortex, demonstrated by positron emission tomography," J. Neurophysiol., vol. 51, no. 5, pp. 1109-1120, 1984.
8. S. A. Sheth, M. Nemoto, M. Guiou, M. Walker, N. Pouratian, and A. W. Toga, "Linear and nonlinear relationships between neuronal activity, oxygen metabolism, and hemodynamic responses," Neuron, vol. 42, no. 2, pp. 347-355, 2004.
9. D. B. Polley, C. H. Chen-Bee, and R. D. Frostig, "Varying the degree of single-whisker stimulation differentially affects phases of intrinsic signals in rat barrel cortex," J. Neurophysiol., vol. 81, no. 2, pp. 692-701, 1999.
10. A. F. Percher and J. D. Briers, "Flow visualization by means of single-exposure speckle photography," Opt. Commun., vol. 37, pp. 326-329, 1981.
11. H. M. Pedersen, "The roughness dependence of partially developed, monochromatic speckle patterns," Opt. Commun., vol. 12, pp. 156-159, 1974.
12. J. W. Goodman, "Statistical properties of laser speckle patterns," in Laser Speckle and Related Phenomena, J. C. Dainty, Ed. Berlin, Germany: Springer-Verlag, 1984, pp. 9-75.
13. -, "Some effects of target-induced scintillation on optical radar performance," Proc. IEEE, vol. 53, no. 11, pp. 1688-1700, Nov. 1965.
14. A. J. Blood and A. W. Toga, "Optical intrinsic signal imaging responses are modulated in rodent somatosensory cortex during simultaneous whisker and forelimb stimulation," J. Cereb. Blood Flow Metab., vol. 18, no. 9, pp. 968-977, 1998.
15. C. H. Chen-Bee, M. C. Kwon, S. A. Masino, and R. D. Frostig, "Areal extent quantification of functional representations using intrinsic signal optical imaging," J. Neurosci. Meth., vol. 68, no. 1, pp. 27-37, 1996.
16. J. Martindale, J. Mayhew, J. Berwick, M. Jones, C. Martin, D. Johnston, P. Redgrave, and Y. Zheng, "The hemodynamic impulse response to a single neural event," J. Cereb. Blood Flow Metab., vol. 23, no. 5, pp. 546-555, 2003.
17. M. Lauritzen, "Relationship of spikes, synaptic activity, and local changes of cerebral blood flow," J. Cereb. Blood Flow Metab., vol. 21, no. 12, pp. 1367-1383, 2001.
18. A. G. Hudetz, G. Feher, C. G. Weigle, D. E. Knuese, and J. P. Kampine, "Video microscopy of cerebrocortical capillary flow: Response to hypotension and intracranial hypertension," Amer. J. Physiol, pt. 2, vol. 268, no. 6, pp. H2202-H2210, 1995.
19. J. Mayhew, Y. Zheng, Y. Hou, B. Vuksanovic, J. Berwick, S. Askew, and P. Coffey, "Spectroscopic analysis of changes in remitted illumination: The response to increased neural activity in brain," Neuroimage, pt. 1, vol. 10, no. 3, pp. 304-26, 1999.
20. J. D. Briers, "Laser doppler, speckle and related techniques for blood perfusion mapping and imaging," Physiol. Meas., vol. 22, no. 4, pp. R35-R66, 2001.
21. C. Mathiesen, K. Caesar, N. Akgoren, and M. Lauritzen, "Modification of activity-dependent increases of cerebral blood flow by excitatory synaptic activity and spikes in rat cerebellar cortex," J. Physiol, pt. 2, vol. 512, pp. 555-566, 1998.
22. A. J. Blood, S. M. Narayan, and A. W. Toga, "Stimulus parameters influence characteristics of optical intrinsic signal responses in somatosensory cortex," J. Cereb. Blood Flow Metab., vol. 15, no. 6, pp. 1109-1121, 1995.