Circulatory basis of fMRI signals: relationship between changes in the hemodynamic parameters and BOLD signal intensity.
Akitoshi SeiyamaJunji SekiHiroki C. TanabeIchiro SaseAkira TakatsukiSatoru MiyauchiHideo EdaShigeru HayashiToshihide ImaruokaTakeo IwakuraToshio YanagidaPublished in: NeuroImage (2004)
Keyphrases
- functional magnetic resonance imaging
- event related
- brain activity
- signal processing
- power spectral density
- human brain
- signal detection
- data analysis
- input signals
- sensor array
- single channel
- human subjects
- measured data
- cerebral blood flow
- white noise
- signal reconstruction
- pattern classification
- correlation analysis
- heart rate
- signal acquisition
- original signal
- brain regions
- signal analysis
- brain computer interface
- transfer function
- received signal
- high dimensional
- slowly varying
- activation detection
- non stationary
- frequency spectrum
- compressive sensing
- low signal to noise ratio
- brain images
- gaussian white noise
- multidimensional signals
- biomedical signals
- acoustic emission
- spatial correlation
- frequency domain
- image registration
- frequency modulation
- empirical mode decomposition
- band limited
- direction of arrival
- short time fourier transform
- emg signals