Table 2.
fMRI initial dip studies (years: 2003–2018, source: Web of Science).
| Reference | fMRI type (field strength) | Species | Alert/anesthetic | Stimulation | Area |
|---|---|---|---|---|---|
| Behzadi and Liu, 2006 | ASL-fMRI (3T) | Human | Alert | Visual stimulus | Visual cortex |
| Roc et al., 2006 | EPI-fMRI (1.5T) | Human | Alert | Visually guided bilateral hand squeeze task | Motor and visual cortex |
| Lindquist et al., 2008 | Rapid-3D-fMRI (3T) | Human | Alert | Visual-motor and auditory-motor-visual stimulus | Visual, motor, and auditory cortex |
| Uludag, 2008 | EPI-fMRI (3T) | Human | Alert | Visual stimulus | Visual cortex |
| Yesilyurt et al., 2008 | EPI-fMRI (3T) | Human | Alert | Visual stimulus | Visual cortex |
| Lindquist, 2010 | Rapid-3D-fMRI (3T) | Human | Alert | Visual-motor and auditory-motor-visual stimulus | Visual, motor, and auditory cortex |
| Tian et al., 2010 | EPI-fMRI (7T) | Rat | Anesthetic (isoflurane) | Forepaw stimulation | Somatosensory cortex |
| Tse et al., 2010 | EPI-fMRI (3T) | Human | Alert | Visual stimulus | Visual cortex |
| Fang and Lee, 2013 | Optogenetic-fMRI (7T) | Rat | Anesthetic (isoflurane) | Optogenetic stimulation | Motor, hippocampus, and thalamus |
| Watanabe et al., 2013 | EPI-fMRI (3T) | Human | Alert | Visual stimulus and finger tapping task | Visual and motor cortex |
| Yu et al., 2014 | EPI-fMRI (11.7T) Line scanning-fMRI (11.7T) | Rat | Anesthetic (isoflurane) | Forepaw and whisker-pad stimulation | Barrel cortex |
| Kohno et al., 2015 | EPI-fMRI (3T) | Human | Alert | Visual picture stimuli | Ventrolateral prefrontal cortex, visual cortex, and amygdala |
| Rudrapatna et al., 2015 | DT2-fMRI (4.7T) GE3d-EPI-fMRI b-SSFP-fMRI | Rat | Anesthetic (isoflurane) | Spreading depolarization | Whole brain |
| Siero et al., 2015 | EPI-fMRI (7T) | Human | Alert | Visual stimulus | Visual cortex |
| Lundengard et al., 2016 | EPI-fMRI (3T) | Human | Alert | Intensity and frequency visual stimulation | Visual cortex |
| Schellekens et al., 2017 | EPI-fMRI (7T) | Human | Alert | Single moving bar’s trajectory stimulus | Visual cortex |