Professor Mikko Juusola
School of Biosciences
Professor of Systems Neuroscience
M.Juusola@sheffield.ac.uk
+44 114 222 1087
+44 114 222 1087
B2 222b, Alfred Denny Building
Full contact details
Professor Mikko Juusola
School of Biosciences
B2 222b
Alfred Denny Building
Western Bank
Sheffield
S10 2TN
School of Biosciences
B2 222b
Alfred Denny Building
Western Bank
Sheffield
S10 2TN
- Profile
-
- 2013-present: Professor of Systems Neuroscience (PI), Drosophila Vision Laboratory, School of Biosciences, University of Sheffield
- 2015-2017: High-End Foreign Expert (PI); selected by the Chinese National Recruitment Program
- 2013-2017: Jane and Aatos Erkko Research Fellow (PI)
- 2012-Present: Visiting Professor (PI), Cognition in Small Brains Institute, National Key Laboratory of Cognitive Neuroscience, Beijing Normal University, Beijing, China
- 2005-2012: Reader (PI), Drosophila Vision Laboratory, Department of Biomedical Science, University of Sheffield
- 2008-2012: Guest Professor (PI), National Key Laboratory of Cognitive Neuroscience, Beijing Normal University, Beijing, China
- 1999-2007: Royal Society University Research Fellow (PI), Universities of Cambridge & Sheffield
- 1997-1999: Academy of Finland Research Fellow (PI), University of Cambridge, UK
- 1996: Post-Doctoral Fellow, University of Cambridge, UK
- 1995-1996: Post-Doctoral Fellow, Dalhousie University, Canada
- 1993-1995: Alberta Heritage Foundation Medical Research Fellow, University of Alberta, Canada
Education
- 1995, Docent in Neurophysiology, University of Oulu, Finland
- 1993, Ph. D. (Neurophysiology), University of Oulu, Finland
- 1993, M.D., University of Oulu, Finland
- Research interests
-
- Neural processing, particularly in the visual system of Drosophila
- Efficient codes and circuitry, form-function relationships, attention, learning and memory
Neural mechanisms of cognition in small brains: Experiments and theory to decode perception and action
Goal:
- Spearhead our Sheffield and Beijing laboratories to be among the best in the world in studying visual information processing and cognition in the Drosophila brain.
Approaches and interests:
- Development and use of novel experimental and theoretical techniques and original ideas to study information processing in sensory-neural circuits in vivo.
- Building innovative analytical methods and instruments & then exploiting them scientifically.
- Neural processing, particularly in the Drosophila visual system, efficient codes and circuitry, form-function relationships, perception, adaptive and collective behaviours, attention, learning and memory, and cognition.
- Publications
-
Show: Featured publications All publications
Featured publications
Journal articles
- Bumblebees socially learn behaviour too complex to innovate alone. Nature, 627, 572-578. View this article in WRRO
- Binocular mirror–symmetric microsaccadic sampling enables Drosophila hyperacute 3D vision. Proceedings of the National Academy of Sciences, 119(12). View this article in WRRO
- High-speed imaging of light-induced photoreceptor microsaccades in compound eyes. Communications Biology, 5(1). View this article in WRRO
- Ca2+-activated K+ channels reduce network excitability, improving adaptability and energetics for transmitting and perceiving sensory information. Journal of Neuroscience. View this article in WRRO
- Microsaccadic sampling of moving image information provides Drosophila hyperacute vision. eLife, 6. View this article in WRRO
- How a fly photoreceptor samples light information in time. Journal of Physiology. View this article in WRRO
- Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo. Journal of Visualized Experiments, 112. View this article in WRRO
- Speed and Sensitivity of Phototransduction in Drosophila Depend on Degree of Saturation of Membrane Phospholipids. Journal of Neuroscience, 35(6), 2731-2746. View this article in WRRO
- Phototransduction in Drosophila. Current Opinion in Neurobiology, 34, 37-45. View this article in WRRO
- Refractory sampling links efficiency and costs of sensory encoding to stimulus statistics.. J Neurosci, 34(21), 7216-7237. View this article in WRRO
- Perceptual color map in macaque visual area V4.. J Neurosci, 34(1), 202-217.
- Stochastic, adaptive sampling of information by microvilli in fly photoreceptors. Current Biology, 22(15), 1371-1380.
- Multiple spectral inputs improve motion discrimination in the Drosophila visual system.. Science, 336(6083), 925-931. View this article in WRRO
- The drosophila SK channel (dSK) contributes to photoreceptor performance by mediating sensitivity control at the first visual network. Journal of Neuroscience, 31(39), 13897-13910.
- Compound eyes and retinal information processing in miniature dipteran species match their specific ecological demands. Proceedings of the National Academy of Sciences of USA, 108, 4224-4229. View this article in WRRO
- Intrinsic Activity in the Fly Brain Gates Visual Information during Behavioral Choices. PLoS One, 5(12). View this article in WRRO
- Network adaptation improves temporal representation of naturalistic stimuli in Drosophila eye: I dynamics. PLoS ONE, 4(1). View this article in WRRO
- Network adaptation improves temporal representation of naturalistic stimuli in Drosophila eye: II mechanisms.. PLoS One(4). View this article in WRRO
- Overexpressing Temperature-Sensitive Dynamin Decelerates Phototransduction and Bundles Microtubules in Drosophila Photoreceptors.. Journal of Neuroscience, 29, 14199-14210. View this article in WRRO
- Distinct roles for two histamine receptors (hclA and hclB) at the Drosophila photoreceptor synapse. Journal of Neuroscience, 28(29), 7250-7259.
- Visual coding in locust photoreceptors.. PLoS One, 3(5). View this article in WRRO
- Coding with spike shapes and graded potentials in cortical networks.. Bioessays, 29(2), 178-187.
- Normal mitochondrial dynamics requires rhomboid-7 and affects Drosophila lifespan and neuronal function.. Curr Biol, 16(10), 982-989.
- Feedback network controls photoreceptor output at the layer of first visual synapses in Drosophila.. J Gen Physiol, 127(5), 495-510.
- Robustness of neural coding in Drosophila photoreceptors in the absence of slow delayed rectifier K+ channels.. J Neurosci, 26(10), 2652-2660.
- Stimulus history reliably shapes action potential waveforms of cortical neurons.. J Neurosci, 25(23), 5657-5665.
- The rate of information transfer of naturalistic stimulation by graded potentials.. J Gen Physiol, 122(2), 191-206.
- The contribution of Shaker K+ channels to the information capacity of Drosophila photoreceptors.. Nature, 421(6923), 630-634.
- Molecular basis of amplification in Drosophila phototransduction: roles for G protein, phospholipase C, and diacylglycerol kinase.. Neuron, 36(4), 689-701.
- Calcium influx via TRP channels is required to maintain PIP2 levels in Drosophila photoreceptors.. Neuron, 30(1), 149-159.
- Light adaptation in Drosophila photoreceptors: I. Response dynamics and signaling efficiency at 25 degrees C.. J Gen Physiol, 117(1), 3-25.
- Light adaptation in Drosophila photoreceptors: II. Rising temperature increases the bandwidth of reliable signaling.. J Gen Physiol, 117(1), 27-42.
- The efficiency of sensory information coding by mechanoreceptor neurons.. Neuron, 18(6), 959-968.
- Visual acuity for moving objects in first- and second-order neurons of the fly compound eye.. J Neurophysiol, 77(3), 1487-1495.
- Information processing by graded-potential transmission through tonically active synapses.. Trends Neurosci, 19(7), 292-297.
- Nonlinear models of the first synapse in the light-adapted fly retina.. J Neurophysiol, 74(6), 2538-2547.
- Tonic transmitter release in a graded potential synapse.. J Neurophysiol, 74(1), 470-473.
- Transfer of graded potentials at the photoreceptor-interneuron synapse.. J Gen Physiol, 105(1), 117-148.
- Contrast gain, signal-to-noise ratio, and linearity in light-adapted blowfly photoreceptors.. J Gen Physiol, 104(3), 593-621.
- Band-pass filtering by voltage-dependent membrane in an insect photoreceptor.. Neurosci Lett, 154(1-2), 84-88.
- LINEAR AND NONLINEAR CONTRAST CODING IN LIGHT-ADAPTED BLOWFLY PHOTORECEPTORS. J COMP PHYSIOL A, 172(4), 511-521.
- PRESYNAPTIC ENHANCEMENT OF SIGNAL TRANSIENTS IN PHOTORECEPTOR TERMINALS IN THE COMPOUND EYE. P ROY SOC LOND B BIO, 250(1327), 83-89.
- Measurement of cell impedance in frequency domain using discontinuous current clamp and white-noise-modulated current injection.. Pflugers Arch, 421(5), 469-472.
All publications
Journal articles
- Bumblebees socially learn behaviour too complex to innovate alone. Nature, 627, 572-578. View this article in WRRO
- Binocular mirror–symmetric microsaccadic sampling enables Drosophila hyperacute 3D vision. Proceedings of the National Academy of Sciences, 119(12). View this article in WRRO
- High-speed imaging of light-induced photoreceptor microsaccades in compound eyes. Communications Biology, 5(1). View this article in WRRO
- Multiscale 'whole-cell' models to study neural information processing – new insights from fly photoreceptor studies. Journal of Neuroscience Methods.
- Ca2+-activated K+ channels reduce network excitability, improving adaptability and energetics for transmitting and perceiving sensory information. Journal of Neuroscience. View this article in WRRO
- Microsaccadic sampling of moving image information provides Drosophila hyperacute vision. eLife, 6. View this article in WRRO
- Shining new light into the workings of photoreceptors and visual interneurons.. J Physiol, 595(16), 5425-5426. View this article in WRRO
- Modeling elucidates how refractory period can provide profound nonlinear gain control to graded potential neurons. Physiological Reports, 5. View this article in WRRO
- A biomimetic fly photoreceptor model elucidates how stochastic adaptive quantal sampling provides a large dynamic range. Journal of Physiology. View this article in WRRO
- How a fly photoreceptor samples light information in time. Journal of Physiology. View this article in WRRO
- Random Photon Absorption Model Elucidates How Early Gain Control in Fly Photoreceptors Arises from Quantal Sampling. Frontiers in Computational Neuroscience, 10. View this article in WRRO
- Fly Photoreceptors Encode Phase Congruency. PLoS ONE, 11(6). View this article in WRRO
- Electrophysiological Method for Recording Intracellular Voltage Responses of Drosophila Photoreceptors and Interneurons to Light Stimuli In Vivo. Journal of Visualized Experiments, 112. View this article in WRRO
- Evidence for Dynamic Network Regulation of Drosophila Photoreceptor Function from Mutants Lacking the Neurotransmitter Histamine. Frontiers in Neural Circuits, 10. View this article in WRRO
- Professor Matti Weckström (1959–2015). Journal of Comparative Physiology A, 202(2), 85-86.
- Predictable implications of random photon absorption for photoreceptors' gain control. BMC Neuroscience, 16(S1).
- Speed and Sensitivity of Phototransduction in Drosophila Depend on Degree of Saturation of Membrane Phospholipids. Journal of Neuroscience, 35(6), 2731-2746. View this article in WRRO
- Phototransduction in Drosophila. Current Opinion in Neurobiology, 34, 37-45. View this article in WRRO
- Refractory sampling links efficiency and costs of sensory encoding to stimulus statistics.. J Neurosci, 34(21), 7216-7237. View this article in WRRO
- Perceptual color map in macaque visual area V4.. J Neurosci, 34(1), 202-217.
- Signal coding in cockroach photoreceptors is tuned to dim environments.. J Neurophysiol, 108(10), 2641-2652.
- Stochastic, adaptive sampling of information by microvilli in fly photoreceptors. Current Biology, 22(15), 1371-1380.
- Multiple spectral inputs improve motion discrimination in the Drosophila visual system.. Science, 336(6083), 925-931. View this article in WRRO
- The drosophila SK channel (dSK) contributes to photoreceptor performance by mediating sensitivity control at the first visual network. Journal of Neuroscience, 31(39), 13897-13910.
- The proteasomal inhibitor MG132 prevents muscular dystrophy in zebrafish.. PLoS Curr, 3, RRN1286.
- Compound eyes and retinal information processing in miniature dipteran species match their specific ecological demands. Proceedings of the National Academy of Sciences of USA, 108, 4224-4229. View this article in WRRO
- Modelling molecular mechanisms in Drosophila photoreceptor. J NEUROGENET, 24, 7-8.
- Intrinsic Activity in the Fly Brain Gates Visual Information during Behavioral Choices. PLoS One, 5(12). View this article in WRRO
- Network adaptation improves temporal representation of naturalistic stimuli in Drosophila eye: I dynamics. PLoS ONE, 4(1). View this article in WRRO
- Network adaptation improves temporal representation of naturalistic stimuli in Drosophila eye: II mechanisms.. PLoS One(4). View this article in WRRO
- Dissecting Drosophila visual circuits to understand lobula plate motion processing.. J NEUROGENET, 23, S61-S61.
- Selective attention gates visual information processing in Drosophila. J NEUROGENET, 23, S62-S63.
- Overexpressing Temperature-Sensitive Dynamin Decelerates Phototransduction and Bundles Microtubules in Drosophila Photoreceptors.. Journal of Neuroscience, 29, 14199-14210. View this article in WRRO
- Distinct roles for two histamine receptors (hclA and hclB) at the Drosophila photoreceptor synapse. Journal of Neuroscience, 28(29), 7250-7259.
- Visual coding in locust photoreceptors.. PLoS One, 3(5). View this article in WRRO
- Coding with spike shapes and graded potentials in cortical networks.. Bioessays, 29(2), 178-187.
- Coding by action potential waveform in the cortex. NEUROSCI RES, 58, S28-S28.
- Dynamic optimization of sensory information by adapting histamine receptors at the first visual synapses of Drosophila. J NEUROGENET, 20(3-4), 266-267.
- Impact of synaptic feedbacks from L2 neurones on the signaling performance of Drosophila photoreceptors. J NEUROGENET, 20(3-4), 191-192.
- Normal mitochondrial dynamics requires rhomboid-7 and affects Drosophila lifespan and neuronal function.. Curr Biol, 16(10), 982-989.
- Feedback network controls photoreceptor output at the layer of first visual synapses in Drosophila.. J Gen Physiol, 127(5), 495-510.
- Robustness of neural coding in Drosophila photoreceptors in the absence of slow delayed rectifier K+ channels.. J Neurosci, 26(10), 2652-2660.
- Stimulus history reliably shapes action potential waveforms of cortical neurons.. J Neurosci, 25(23), 5657-5665.
- Use of meixner functions in estimation of Volterra kernels of nonlinear systems with delay.. IEEE Trans Biomed Eng, 52(2), 229-237.
- Impact of rearing conditions and short-term light exposure on signaling performance in Drosophila photoreceptors.. J Neurophysiol, 92(3), 1918-1927.
- Interactions between light-induced currents, voltage-gated currents, and input signal properties in Drosophila photoreceptors.. J Neurophysiol, 91(6), 2696-2706.
- Shaker K+ channels contribute early nonlinear amplification to the light response in Drosophila photoreceptors.. J Neurophysiol, 90(3), 2014-2021.
- Shaker K(+)-channels are predicted to reduce the metabolic cost of neural information in Drosophila photoreceptors.. Proc Biol Sci, 270 Suppl 1, S58-S61.
- The rate of information transfer of naturalistic stimulation by graded potentials.. J Gen Physiol, 122(2), 191-206.
- The contribution of Shaker K+ channels to the information capacity of Drosophila photoreceptors.. Nature, 421(6923), 630-634.
- Molecular basis of amplification in Drosophila phototransduction: roles for G protein, phospholipase C, and diacylglycerol kinase.. Neuron, 36(4), 689-701.
- Calcium influx via TRP channels is required to maintain PIP2 levels in Drosophila photoreceptors.. Neuron, 30(1), 149-159.
- Light adaptation in Drosophila photoreceptors: I. Response dynamics and signaling efficiency at 25 degrees C.. J Gen Physiol, 117(1), 3-25.
- Light adaptation in Drosophila photoreceptors: II. Rising temperature increases the bandwidth of reliable signaling.. J Gen Physiol, 117(1), 27-42.
- Principal dynamic mode analysis of nonlinear transduction in a spider mechanoreceptor.. Ann Biomed Eng, 27(3), 391-402.
- Adaptation properties of two types of sensory neurons in a spider mechanoreceptor organ.. J Neurophysiol, 80(5), 2781-2784.
- Two methods for calculating the responses of photoreceptors to moving objects.. Ann Biomed Eng, 26(2), 308-314.
- The efficiency of sensory information coding by mechanoreceptor neurons.. Neuron, 18(6), 959-968.
- Visual acuity for moving objects in first- and second-order neurons of the fly compound eye.. J Neurophysiol, 77(3), 1487-1495.
- Rapid coating of glass-capillary microelectrodes for single-electrode voltage-clamp.. J Neurosci Methods, 71(2), 199-204.
- . J. Neurophysiol., 77, 1487-1487.
- Information processing by graded-potential transmission through tonically active synapses.. Trends Neurosci, 19(7), 292-297.
- Resolution of moving dots by first- and second-order visual neurons in the fly eye. PROG BIOPHYS MOL BIO, 65, PG206-PG206.
- Transduction and adaptation in spider slit sense organ mechanoreceptors.. J Neurophysiol, 74(6), 2513-2523.
- Nonlinear models of the first synapse in the light-adapted fly retina.. J Neurophysiol, 74(6), 2538-2547.
- Recording from cuticular mechanoreceptors during mechanical stimulation.. Pflugers Arch, 431(1), 125-128.
- Tonic transmitter release in a graded potential synapse.. J Neurophysiol, 74(1), 470-473.
- Graded responses and spiking properties of identified first-order visual interneurons of the fly compound eye.. J Neurophysiol, 73(5), 1782-1792.
- Fast-acting compressive and facilitatory nonlinearities in light-adapted fly photoreceptors.. Ann Biomed Eng, 23(1), 70-77.
- Transfer of graded potentials at the photoreceptor-interneuron synapse.. J Gen Physiol, 105(1), 117-148.
- . J. Neurophysiol., 74, 2513-2523.
- . Pflugers Arch., 431, 125-128.
- Sodium-dependent receptor current in a new mechanoreceptor preparation.. J Neurophysiol, 72(6), 3026-3028.
- A method for determining photoreceptor signal-to-noise ratio in the time and frequency domains with a pseudorandom stimulus.. Vis Neurosci, 11(6), 1221-1225.
- Contrast gain, signal-to-noise ratio, and linearity in light-adapted blowfly photoreceptors.. J Gen Physiol, 104(3), 593-621.
- Measuring complex admittance and receptor current by single electrode voltage-clamp.. J Neurosci Methods, 53(1), 1-6.
- . J. Neurophysiol., 72, 2026-3028.
- The dynamic nonlinear behavior of fly photoreceptors evoked by a wide range of light intensities.. Biophys J, 65(2), 832-839.
- Band-pass filtering by voltage-dependent membrane in an insect photoreceptor.. Neurosci Lett, 154(1-2), 84-88.
- LINEAR AND NONLINEAR CONTRAST CODING IN LIGHT-ADAPTED BLOWFLY PHOTORECEPTORS. J COMP PHYSIOL A, 172(4), 511-521.
- A NA+-DEPENDENT HCO3-/CL--EXCHANGE MECHANISM IS RESPONSIBLE FOR THE MAINTENANCE OF THE E(CL) IN 1ST-ORDER VISUAL INTERNEURONS OF THE FLY COMPOUND EYE. INVEST OPHTH VIS SCI, 34(4), 1156-1156.
- PRESYNAPTIC ENHANCEMENT OF SIGNAL TRANSIENTS IN PHOTORECEPTOR TERMINALS IN THE COMPOUND EYE. P ROY SOC LOND B BIO, 250(1327), 83-89.
- Measurement of cell impedance in frequency domain using discontinuous current clamp and white-noise-modulated current injection.. Pflugers Arch, 421(5), 469-472.
- A SODIUM CONDUCTANCE IS RESPONSIBLE FOR THE LIGHT-OFF SPIKE GENERATION IN THE NONSPIKING VISUAL INTERNEURONS OF THE FLY 1ST OPTIC NEUROPIL. INVEST OPHTH VIS SCI, 33(4), 1409-1409.
- Electrophysiological Method for Recording Intracellular Voltage Responses of <em>Drosophila</em> Photoreceptors and Interneurons to Light Stimuli <em>In Vivo</em>. Journal of Visualized Experiments(112).
- Intrinsic Activity in the Fly Brain Gates Visual Information during Behavioral Choices. Nature Precedings.
- Selective human tau protein expression in different clock circuits of the Drosophila brain disrupts different aspects of sleep and circadian rhythms.
- Binocular Mirror-Symmetric Microsaccadic Sampling Enables Drosophila Hyperacute 3D-Vision. Proceedings of the National Academy of Sciences.
Chapters
- Phototransduction Biophysics, Encyclopedia of Computational Neuroscience (pp. 2758-2776).
- Phototransduction Biophysics, Encyclopedia of Computational Neuroscience (pp. 2359-2376). Springer New York
- Phototransduction Biophysics, Encyclopedia of Computational Neuroscience (pp. 1-20). Springer New York
Conference proceedings papers
- We now know what fly photoreceptors compute. BMC Neuroscience, Vol. 14(S1)
- Reverse engineering gain adaptation in sensory systems. Proceedings of the 9th IASTED International Conference on Biomedical Engineering, BioMed 2012 (pp 420-425)
- Does Calcium diffusional feedback lead to slow light adaptation in Drosophila photoreceptors—a 3D biophysical modelling approach. Computational and System Neuroscience Conf
- Dissecting the resolution of a fruit fly retina. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY, Vol. 153A(2) (pp S54-S55)
- Dissecting the resolution of a fruit fly retina. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY, Vol. 153A(2) (pp S157-S157)
- Exploring visual motion circuitry in Drosophila with ultraviolet light. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY A-MOLECULAR & INTEGRATIVE PHYSIOLOGY, Vol. 153A(2) (pp S158-S158)
- View this article in WRRO Data Modelling for Analysis of Adaptive Changes in Fly Photoreceptors. NEURAL INFORMATION PROCESSING, PT 1, PROCEEDINGS, Vol. 5863 (pp 34-48)
- View this article in WRRO Biophysical Modeling of a Drosophila Photoreceptor.. ICONIP (1), Vol. 5863 (pp 57-71)
- Slow conductances encode stimulus history into spike shapes. MECHANISMS, SYMBOLS AND MODELS UNDERLYING COGNITION, PT 1, PROCEEDINGS, Vol. 3561 (pp 150-155)
Website content
Preprints
- Theory of Morphodynamic Information Processing: Linking Sensing to Behaviour, MDPI AG.
- High-speed imaging of light-induced photoreceptor microsaccades in compound eyes, Cold Spring Harbor Laboratory. View this article in WRRO
- Ca2+-activated K+ channels reduce network excitability, improving adaptability and energetics for transmitting and perceiving sensory information, Cold Spring Harbor Laboratory.
- Microsaccadic sampling of moving image information provides Drosophila hyperacute vision, Cold Spring Harbor Laboratory.
- Teaching activities
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Undergraduate and postgraduate taught modules
Undergraduate:
- Level 3 Practical and Dissertation Modules
- Professional activities and memberships
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- Selected as a High-End Foreign Expert; by the Chinese National Recruitment Program of High-End Foreign Experts (2015)
- Visiting Professor and PI in State Key Laboratory of Cognitive Neuroscience, Beijing Normal University, Beijing, China
- Visiting Professor in Department of Physics and Docent of Neurophysiology, University of Oulu, Finland
- Grant reviewer for UK/EU/US/other international Research Councils and Charities
- Reviewer for many leading scientific journals
- Teacher in many advanced international courses
- Examiner of higher degrees in UK and abroad
Invited talks 2019-20
- University of Hong Kong, China (17.02.2019)
- Technical University of Hefei, China (16.03.2019)
- Fudan University, Shanghai, China (23.05.2019)
- International Conference on Invertebrate Vision, Bäckaskog Castle, Lund, Sweden (09.08.2019)
- Institute of Zoology, Chinese Academy of Sciences, Beijing, China (25.09.2019)
- Fudan University, Shanghai, China (27.09.2019)
- Harbin University of Technology, Harbin, China (12.12.2019)
- Brain Circuits, Memory and Computation; Columbia University, New York, USA (16.03.2020)