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Hellmut Merkle

Address: Spemannstr. 41

 

Picture of Merkle, Hellmut

Hellmut Merkle

Position: Guest Scientist  Unit: 

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Articles (14):

Yu X, He Y, Wang M, Merkle H, Dodd SJ, Silva AC and Koretsky AP (April-2016) Sensory and optogenetically driven single-vessel fMRI Nature Methods 13(4) 337-340.
Hagberg G, Mamedov I, Power A, Beyerlein M, Merkle H, Kiselev VG, Dhingra K, Kubìček V, Angelovski G and Logothetis NK (January-2014) Diffusion properties of conventional and calcium-sensitive MRI contrast agents in the rat cerebral cortex Contrast Media & Molecular Imaging 9(1) 71–82.
Goense J, Merkle H and Logothetis NK (November-2012) High-Resolution fMRI Reveals Laminar Differences in Neurovascular Coupling between Positive and Negative BOLD Responses Neuron 76(3) 629–639.
Goense J, Logothetis NK and Merkle H (October-2010) Flexible, phase-matched, linear receive arrays for high-field MRI in monkeys Magnetic Resonance Imaging 28(8) 1183-1191.
Logothetis NK, Augath M, Murayama Y, Rauch A, Sultan F, Goense J, Oeltermann A and Merkle H (October-2010) The effects of electrical microstimulation on cortical signal propagation Nature Neuroscience 13(10) 1283-1291.
Canals S, Beyerlein M, Merkle H and Logothetis NK (February-2009) Functional MRI Evidence for LTP-Induced Neural Network Reorganization Current Biology 19(5) 398-403.
Zappe A-C, Pfeuffer J, Merkle H, Logothetis NK and Goense JBM (March-2008) The effect of labeling parameters on perfusion-based fMRI in nonhuman primates Journal of Cerebral Blood Flow and Metabolism 28(3) 640-652.
Goense JBM, Ku S-P, Merkle H, Tolias AS and Logothetis NK (February-2008) fMRI of the temporal lobe of the awake monkey at 7 T NeuroImage 39(3) 1081-1093.
Pfeuffer J, Shmuel A, Keliris GA, Steudel T, Merkle H and Logothetis NK (July-2007) Functional MR imaging in the awake monkey: effects of motion on dynamic off-resonance and processing strategies Magnetic Resonance Imaging 25(6) 869-882.
Pfeuffer J, Merkle H, Beyerlein M, Steudel T and Logothetis NK (December-2004) Anatomical and Functional MR Imaging in the Macaque Monkey Using a Vertical Large-bore 7 Tesla Setup Magnetic Resonance Imaging 22(10) 1343-1359.
Pfeuffer J, Van de Moortele P-F, Yacoub E, Shmuel A, Adriany G, Andersen P, Merkle H, Garwood M, Ugurbil K and Hu X (September-2002) Zoomed Functional Imaging in the Human Brain at 7 Tesla with Simultaneous High Spatial and High Temporal Resolution NeuroImage 17(1) 272-286.
Logothetis NK, Merkle H, Augath MA, Trinath T and Ugurbil K (July-2002) Ultra High-Resolution fMRI in Monkeys with Implanted RF Coils Neuron 35(2) 227-242.
Yacoub E, Shmuel A, Pfeuffer J, Van de Moortele P-F, Adriany G, Andersen P, Vaughan J, Merkle H, Ugurbil K and Hu X (April-2001) Imaging Brain Function in Humans at 7 Tesla Magnetic Resonance in Medicine 45(4) 588-594.
Pfeuffer J, Tkac I, Choi IY, Merkle H, Ugurbil K, Garwood M and Gruetter R (June-1999) Localized in vivo 1H NMR detection of neurotransmitter labeling in rat brain during infusion of [1-13C] D-glucose Magnetic Resonance in Medicine 41(6) 1077-1083.

Conference papers (3):

Pfeuffer J, Juchem C, Merkle H, Nauerth A and Logothetis NK (December-2004) High-field localized 1H NMR spectroscopy in the anesthetized and in the awake monkey In: Frontiers of Brain Functional MRI and Electrophysiological Methods, , International School on Magnetic Resonance and Brain Function 2004, Magnetic Resonance Imaging, 22(10), 1361-1372.
Juchem C, Merkle H, Schick F, Logothetis NK and Pfeuffer J (December-2004) Region and volume dependencies in spectral linewidth assessed by 1H 2D MR chemical shift imaging in the monkey brain at 7T In: Frontiers of Brain Functional MRI and Electrophysiological Methods, , International School on Magnetic Resonance and Brain Function 2004, Magnetic Resonance Imaging, 22(10), 1373-1383.
Pfeuffer J, Steudel T, Merkle H and Logothetis NK (March-23-2004) Perfusion-based high-resolution fMRI in the primate brain using a novel vertical large-bore 7 Tesla setup, ISMRM Workshop on Quantitative Cerebral Perfusion Imaging Using MRI: A Technical Perspective, 108-109.
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Posters (31):

Scheffler K, Ehses P, He Y, Merkle H and Yu X (June-3-2015): Functional imaging at 14.1T using high-resolution pass band bSSFP, 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.
Wang M, He Y, Tang Y, Merkle H and Yu X (June-3-2015): Identify the “single unit” of neurovascular coupling by single-vessel fMRI and optogenetics, 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.
Balla DZ, Pohmann R, Shajan G, Ehses P, Nauerth A, Steudel T, Murayama Y, Oeltermann A, Munk MH, Merkle H, Beyerlein M, Evrard HC, Logothetis NK and Scheffler K (June-2-2015): 500 ms temporal and 750 μm spatial inplane resolution for whole-brain fMRI applications in the macaque at 7T, 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.
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Shajan G, Balla DZ, Steudel T, Ehses P, Merkle H, Logothetis NK, Pohmann R and Scheffler K (June-1-2015): A 7T transmit and receive array combination for simultaneous investigation of electrophysiology and fMRI in non-human primates, 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.
Pais Roldán P, Singh A, Merkle H, Schulz H and Yu X (March-19-2015): Magnetic field-induced otolith fusion of the zebrafish larvae, 10th Annual Meeting of the European Society for Molecular Imaging (EMIM 2015), Tübingen, Germany.
Goense J, Beyerlein M, Hoffmann J, Shajan G, Steudel T, Scheffler K, Logothetis NK and Merkle H (May-12-2014): Novel RF-Coil Assembly to Simultaneously Investigate fMRI and Electrophysiology in Non-Human Primates in a Large Bore Vertical Magnet, Joint Annual Meeting ISMRM-ESMRMB 2014, Milano, Italy.
Hagberg GE, Keliris A, Mamedov I, Placidi M, Merkle H, Logothetis NK and Scheffler K (April-23-2013): 19F-Lanthanide Complexes: T1 - and T2 - Dependent Signal Gain Using Gradient Echoes, 21st Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013), Salt Lake City, UT, USA.
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Hagberg GE, Mamedov I, Placidi M, Keliris A, Merkle H, Logothetis NK and Scheffler K (October-29-2012): 19F-Lanthanide complexes: T1- and T2-dependent signal gain using gradient echoes, ENCITE Symposium "Red hot MRI: In vivo 19F imaging", Nijmegen, The Netherlands.
Hagberg GE, Mamedov I, Power A, Beyerlein M, Merkle H, Angelovski G and Logothetis NK (May-9-2012): Diffusion in the extra-cellular space of the rat cerebral cortex probed by MRI and direct infusion of contrast agents, 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia.
Goense J, Merkle H and Logothetis NK (May-5-2010): Detectability of the BOLD signal, ISMRM-ESMRMB Joint Annual Meeting 2010, Stockholm, Sweden.
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Goense J, Merkle H and Logothetis NK (April-23-2009): Comparison of Functional Activation in the Temporal Lobe of Awake and Anesthetized Monkeys, 17th Annual Meeting of the International Society for Magnetic Resonance in Medicine (ISMRM 2009), Honolulu, HI, USA.
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Merkle H, Logothetis NK and Goense JBM (October-2008): A 200 MHz flexible receive phased array for (f)MRI of macaques in a vertical scanner, ESMRMB 2008 Congress: 25th Annual Meeting, Valencia, Spain, Magnetic Resonance Materials in Physics, Biology and Medicine, 21(Supplement 1) 654-655.
Goense JBM, Ku S-P, Merkle H, Tolias AS and Logothetis NK (May-23-2007): Spin-echo fMRI of the temporal lobe in awake, behaving monkeys at 7T, 2007 Joint Annual Meeting ISMRM-ESMRMB, Berlin, Germany.
Zappe A, Merkle H, Pfeuffer J and Logothetis NK (May-10-2006): Perfusion-based functional imaging in the monkey brain at 7T: investigations of CASL parameters, 14th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2006), Seattle, WA, USA.
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Schmid MC, Oeltermann A, Juchem C, Merkle H, Smirnakis SM and Logothetis NK (November-2005): Simultaneous EEG and fMRI in the macaque monkey at 4.7 T, 35th Annual Meeting of the Society for Neuroscience (Neuroscience 2005), Washington, DC, USA.
Pfeuffer J, Merkle H and Logothetis NK (May-12-2005): Perfusion-based high-resolution fMRI in the primate brain using a novel vertical large-bore 7 Tesla setup, 13th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2005), Miami Beach, FL, USA.
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Zappe AC, Merkle H, Logothetis NK and Pfeuffer J (May-11-2005): Continuous arterial spin labeling (CASL) in the monkey brain at high magnetic field using a three-coil approach, 13th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2005), Miami Beach, FL, USA.
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Zappe AC, Merkle H, Logothetis NK and Pfeuffer J (September-2004): Continuous arterial spin labeling (CASL) setup for the primate brain at 7 T using a three-coil approach, 21st Annual Scientific Meeting of the ESMRMB 2004, Copenhagen, Denmark, Magnetic Resonance Materials in Physics, Biology and Medicine, 17(Supplement 1) 66-67.
Pfeuffer J, Merkle H and Logothetis NK (September-2004): Perfusion-based high-resolution fMRI in the primate brain using a novel vertical large-bore 7 Tesla setup, 21st Annual Scientific Meeting of the ESMRMB 2004, Copenhagen, Denmark, Magnetic Resonance Materials in Physics, Biology and Medicine, 17(Supplement 1) 65-66.
Juchem C, Merkle H, Logothetis NK and Pfeuffer J (June-2004): In vivo MR spectroscopic imaging of glutamate in the monkey brain, 10th Annual Meeting of the Organization for Human Brain Mapping (HBM 2004), Budapest, Hungary, NeuroImage, 22(Supplement 1) e817-e819.
Pfeuffer J, Steudel T, Merkle H and Logothetis NK (June-2004): Perfusion-based high-resolution fMRI in the primate brain using a novel vertical large-bore 7 Tesla setup, 10th Annual Meeting of the Organization for Human Brain Mapping (HBM 2004), Budapest, Hungary, NeuroImage, 22(Supplement 1) e2424-e2426.
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Juchem C, Merkle H, Logothetis NK and Pfeuffer J (May-18-2004): Localized 1H spectroscopy in the primary visual cortex V1, 12th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2004), Kyoto, Japan.
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Juchem C, Merkle H, Logothetis NK and Pfeuffer J (November-2003): In vivo spectroscopic imaging of glutamate, 33rd Annual Meeting of the Society for Neuroscience (Neuroscience 2003), New Orleans, LA, USA.
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Juchem C, Merkle H, Logothetis NK and Pfeuffer J (September-2003): In vivo CSI of glutamate in Macaca mulatta brain, 20th Annual Scientific Meeting of the ESMRMB 2003, Rotterdam, Netherlands, Magnetic Resonance Materials in Physics, Biology and Medicine, 16(Supplement 7) 145-146.
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Pfeuffer J, Juchem C, Merkle H and Logothetis NK (July-15-2003): Proton MR Spectroscopy at 7 Tesla in the Macaque monkey, 11th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2003), Toronto, Canada.
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Pfeuffer J, Pauls J, Augath MA, Steudel T, Merkle H and Logothetis NK (July-13-2003): Functional MR imaging of the awake monkey in a novel vertical large-bore 7 Tesla setup, 11th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2003), Toronto, Canada.
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Merkle H, Pfeuffer J and Logothetis NK (August-2002): 300 MHz RF coils for MR studies of Macaca mulatta brain at 7 Tesla, 19th Annual Scientific Meeting of the ESMRMB 2002, Cannes, France.
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Pfeuffer J, Merkle H and Logothetis NK (August-2002): Functional MR imaging of the monkey brain in a novel vertical large-bore 7 Tesla setup, 19th Annual Scientific Meeting of the ESMRMB 2002, Cannes, France.
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Juchem C, Augath MA, Merkle H, Logothetis NK and Pfeuffer J (August-2002): In vivo 1H Spectroscopy of the Caudate Nucleus in Macaca mulatta brain, 19th Annual Scientific Meeting of the ESMRMB 2002, Cannes, France.
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Merkle H, Augath MA, Trinath T, Logothetis NK and Ugurbil K (April-3-2000): fMRI on Primates with Custom Tailored RF Coils, 8th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2000), Denver, CO, USA.
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Merkle H, Trinath T, Augath MA, Logothetis NK and Ugurbil K (February-1999): Customized RF coils and fMRI on primates, 16th Annual Meeting of the European Society for Magnetic Resonance in Medicine and Biology (ESMRMB '99), Sevilla, Spain, Magnetic Resonance Materials in Physics, Biology and Medicine, 8(Supplement 1) 207-208.

Talks (6):

Pais Roldán P, Singh A, Merkle H, Schulz H and Yu X (June-3-2015) Abstract Talk: Sensing the high magnetic field: Fusion of otoliths in zebrafish larvae entails a hint, 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada(0695).
He Y, Merkle H and Yu X (June-2-2015) Abstract Talk: Single Venule Multi-Echo Line-Scanning fMRI (MELS-fMRI), 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada(0361).
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Last updated: Tuesday, 18.11.2014