Contact

Daniel Zaldivar

Address: Spemannstr. 38
72076 Tübingen
Room number: 252
Phone: +49 7071 601 1639
Fax: +49 7071 601 652
E-Mail: daniel.zaldivar

 

Picture of Zaldivar, Daniel

Daniel Zaldivar

Position: PhD Student  Unit: Logothetis

Summary (... in process)

Neuronal networks display a rich range of time-dependent processes. Which of these are critical to understanding specific integrative functions in the brain? Computational and neuroimaging techniques are used to understand how systems of neurons interact to produce behavior. However, many of these techniques assume that neuronal dynamics and synaptic strength are fixed.

 

Research Interest

-          Electrophysiology

-          Neural Coding

-          Sensory Processing

-          Large Scale Neuronal Networks

-          Neuromodulation

-          Neurovascular and Neurometabolic coupling

-          Object Recognition

-          Memory

Publications in process

Lowe S, Zaldivar D, Murayama Y, Logothetis NK & Panzeri S (in prep). Laminar and frequency distribution of information in primary visual cortex of macaque.

Zaldivar D, Logothetis NK & Goense J (in prep). Distinct fMRI and neural effects of cholinergic neuromodulation in the macaque visual cortex.

Zaldivar D, Goense J, Lowe S, Logothetis NK & Panzeri S (submitted). Dopamine increase boosts gamma-band visual information in output layers and is signaled by mid-frequency oscillations of visual cortex.

Fichtner N, Giapitzakis IA, Avdievich N, Mekle R, Zaldivar D, Henning A and Kreis R (submitted) In vivo characterization of the downfield part of 1H MR spectra of human brain at 9.4T: Magnetization exchange with water and relation to conventionally determined metabolite content

Zaldívar D, Logothetis NK, Rauch A & Goense J (published). Pharmaco-based fMRI and neurophysiology in non-human primates. In: In vivo Neuropharmacology and Neurophysiology, (Ed) Athineos Philippou. Neuromethods of Springer Science Series.

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Articles (6):

Fichtner N, Giapitzakis IA, Avdievich N, Mekle R, Zaldivar D, Henning A and Kreis R (July-2017) In vivo characterization of the downfield part of 1H MR spectra of human brain at 9.4T: Magnetization exchange with water and relation to conventionally determined metabolite content NeuroImage . submitted
Zaldivar D, Rauch A, Whittingstall K, Logothetis NK and Goense J (December-2014) Dopamine-Induced Dissociation of BOLD and Neural Activity in Macaque Visual Cortex Current Biology 24(23) 2805–2811.
von Pföstl V, Li J, Zaldivar D, Goense J, Zhang X, Serr N, Logothetis NK and Rauch A (May-2012) Effects of lactate on the early visual cortex of non-human primates, investigated by pharmaco-MRI and neurochemical analysis NeuroImage 61(1) 98–105.
Li J, von Pföstl V, Zaldivar D, Zhang X, Logothetis NK and Rauch A (March-2012) Measuring multiple neurochemicals and related metabolites in blood and brain of the rhesus monkey by using dual microdialysis sampling and capillary hydrophilic interaction chromatography-mass spectrometry Analytical and Bioanalytical Chemistry 402(8) 2545-2554.
González G, Zaldivar D, Carrillo ED, Hernández A, García MC and Sánchez JA (November-2010) Pharmacological preconditioning by diazoxide downregulates cardiac L-type Ca2+ channels British Journal of Pharmacology 161(5) 1172–1185.
Zaldivar D, García MC and Sánchez JA (December-2005) Ciliary neurotrophic factor promotes inactivation of muscle Ca2+ channels via PKC Biochemical and Biophysical Research Communications 338(3) 1572–1577.

Contributions to books (1):

Zaldivar D, Logothetis NK, Rauch A and Goense J: Pharmaco-Based fMRI and Neurophysiology in Non-human Primates, 37-66. In: In Vivo Neuropharmacology and Neurophysiology, (Ed) A. Philippu, Springer, New York, NY, USA, (2017).

Posters (14):

Fichtner N, Giapitzakis I-A, Avdievich N, Mekle R, Zaldivar D, Henning A and Kreis R (April-27-2017): Magnetization exchange between water and downfield metabolites in human brain at 9.4T, 25th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2017), Honolulu, HI, USA.
Zaldivar D, Goense J, Lowe S, Logothetis NK and Panzeri S (November-16-2016): Dopamine elicits lamina- and frequency-specific increase of information in the local-field-potentials of the macaque V1, 46th Annual Meeting of the Society for Neuroscience (Neuroscience 2016), San Diego, CA, USA.
Lowe S, Zaldivar D, Murayama Y, van Rossum M, Logothetis NK and Panzeri S (April-2015): Cortical dynamics across V1 laminae generate independent frequency channels encoding visual information, BNA 2015 Festival of Neuroscience, Edinburgh, UK.
Lowe SC, Zaldivar D, Murayama Y, van Rossum MCW, Logothetis NK and Panzeri S (November-18-2014): Different cortical layers in V1 encode different visual information in different frequency bands, 44th Annual Meeting of the Society for Neuroscience (Neuroscience 2014), Washington, DC, USA.
Löwe S, Murayama Y, Zaldivar D, Logothetis N and Panzeri S (July-7-2014): Quantification of the Laminar and Frequency Structure of Information in Primary Visual Cortex, 9th FENS Forum of Neuroscience, Milano, Italy.
Viswanath S, Zaldivar D, von Pföstl V, Rauch A and Logothetis NK (November-2012): The role of adenosine in the neurovascular coupling of the BOLD signal in early visual cortex of non-human primates, 13th Conference of the Junior Neuroscientists of Tübingen (NeNA 2012): Science and Education as Social Transforming Agents, Schramberg, Germany.
von Pföstl V, Zaldivar D, Li J, Viswanath S, Zhang X, Logothetis NK and Rauch A (July-2012): Electrophysiological Effects Of Lactate On Primary Visual Cortex Of Non-Human Primates, 8th Forum of European Neuroscience (FENS 2012), Barcelona, Spain.
Zaldivar D, Li J, von Pföstl V, Whittingstall K, Goense J, Rauch A and Logothetis NK (July-2012): The Modulatory Role Of Dopamine In The Early Visual System Of Macaques Investigated By Fmri, Neurochemistry And Neurophysiology, 8th Forum of European Neuroscience (FENS 2012), Barcelona, Spain.
Zaldivar D, Li J, von Pföstl V, Zhang X, Logothetis NK and Rauch A (November-2011): Dopaminergic modulation of the early visual system of non-human primates and its underlying neuronal and hemodynamic changes, 41st Annual Meeting of the Society for Neuroscience (Neuroscience 2011), Washington, DC, USA.
Li J, Zaldivar D, von Pföstl V, Serr N, Zhang X, Logothetis NK and Rauch A (November-2011): Nicotinic modulation of the early visual system and its underlying neuronal and metabolic changes, 41st Annual Meeting of the Society for Neuroscience (Neuroscience 2011), Washington, DC, USA.
Sanchez JA, González G, Zaldivar D, Carrillo ED and García MC (March-9-2011): The Cardiac L-Type Ca2+ Channel is Downregulated by Ischemic and Pharmacological Preconditioning, 55th Annual Meeting of the Biophysical Society, Baltimore, MD, USA, Biophysical Journal, 100(3, Supplement 1) 568a.
Li J, von Pföstl V, Zaldivar D, Zhang X, Logothetis NK and Rauch A (November-2010): Comparing concentration levels of multiple neurochemically active compounds in blood and brain tissue of non-human primates by using dual microdialysis sampling and capillary hydrophilic interaction chromatography-mass s pectrometry, 40th Annual Meeting of the Society for Neuroscience (Neuroscience 2010), San Diego, CA, USA.
von Pföstl V, Li J, Zaldivar D, Goense J, Zhang X, Logothetis NK and Rauch A (November-2010): Effects of lactate on primary visual cortex of non-human primates investigated by pharmaco mri and neurochemical analysis, 40th Annual Meeting of the Society for Neuroscience (Neuroscience 2010), San Diego, CA, USA.
González G, Zaldivar D, Carrillo E, García MC and Sánchez JA (February-23-2010): The Cardiac α1c Subunit is Down Regulated by Pharmacological Preconditioning, 54th Annual Meeting of the Biophysical Society, San Francisco, CA, USA, Biophysical Journal, 98(3, Supplement 1) 517a–518a.

Talks (5):

Fichtner ND, Giapitzakis I-A, Avdievich N, Merkle R, Zaldivar D, Henning A and Kreis R (February-2-2017) Abstract Talk: Measuring Exchange Between Brain Metabolites and Water Using Ultra-High Field Magnetic Resonance Spectroscopy, GCB Symposium 2017: Graduate School for Cellular and Biomedical Sciences, Bern, Switzerland.
Zaldivar D (June-3-2015) Invited Lecture: Laminar Differences in Neural Activity During Positive and Negative BOLD Conditions, and the Effect of Neuromodulation, McGovern Institute for Brain Research: Massachusetts Institute of Technology, Cambridge, MA, USA.
Zaldivar D, Logothetis NK and Goense J (June-2-2015) Abstract Talk: Laminar Differences in Neural Activity During Positive and Negative Bold Conditions, 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada(0357).
Zaldivar D (January-13-2015) Invited Lecture: Neurophysiological correlates of fMRI signals and the effects of neuromodulation at shaping neurovascular coupling relationship, Institute of Neurobiology: Universidad Nacional Autónoma de México, Querétaro, México.
Zaldivar D (September-5-2011) Invited Lecture: The effects of neuromodulation in the vascular coupling, Networks 2011: 2nd German Neurophysiology PhD Meeting, Tübingen, Germany.

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Last updated: Monday, 22.05.2017