CURRICULUM VITAE. Constantinos N. Christakos Professor of Physiology

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1 CURRICULUM VITAE October 2013 Constantinos N. Christakos Professor of Physiology Adress Department of Basic Sciences, Medical School University of Crete, Heraklion, Crete Tel (office) ,8 (labs) Fax: Date / Place of Birth November 16, 1949 / Chania, Crete, Greece EDUCATION Degree in Electrical and Mechanical Engineering, National Technical University, Athens, Greece M.Phil. and Ph.D. Degree in Physiology, Departments of Electronics - Physiology, Chelsea College - King s College, University of London, U.K. ACADEMIC POSITIONS Scientific Assistant (faculty position), Center of Physiology, School of Medicine, University of Goettingen, Goettingen, Germany Visiting Assistant Professor, Department of Physiology and Biophysics, Albert Einstein College of Medicine, New York, U.S.A Visiting Associate Professor, Center for Neurobiology and Behavior, College of Physicians and Surgeons, Columbia University, New York, U.S.A present Associate Professor of Physiology, Department of Basic Sciences, Medical School, University of Crete, Heraklion, Greece 2004-present Member, Computational Neuroscience Group, Institute of Applied and Computational Mathematics, FORTH, Heraklion, Greece 2012-present Professor of Physiology, Department of Basic Sciences, Medical School, University of Crete, Heraklion, Greece MEMBERSHIPS - SOCIETIES New York Academy of Sciences (U.S.A.) American Physiological Society (U.S.A.) Society for Neuroscience (U.S.A.) European Neuroscience Association Hellenic Society for Neuroscience

2 Biological Engineering Society (U.K.) Institute of Electrical and Electronic Engineers (U.S.A.) Institute of Electrical Engineers (U.K.) HONORS 1980 European Training Program Award (European Science Foundation) 1986 Perkins Memorial Award (American Physiological Society) 1987 Short-listed for the position of Research Coordinator rank A4 (European Commission) 2006 Excellence in Science Award for the Computational Neuroscience Group FORTH (General Secretariat for Research and Technology, Greece) REFEREEING - EVALUATIONS Journal of Neuroscience Journal of Neurophysiology Journal of Applied Physiology Neuroscience Neuroscience Letters Brain Research Brain Research Bulletin Experimental Brain Research International Journal of Molecular Sciences (muscle contraction) European Commission RESEARCH INTERESTS COLLABORATIONS GRANTS A Population Stochastic Model of Skeletal Muscle and its use in the study of the frequency characteristics of muscle output activity with particular reference to tremor. Depts. Physiology, Chelsea College - King s College, University of London (PhD thesis, King s College, University of London, 1980, Advisor Dr. S. Lal) Signal Flow in Segmental Loops Studied by Linear Systems Analysis (project within the DFG-funded programme Linear and Nonlinear Processing of Information in Neuromuscular Systems under Peripheral and Central Influences, P.I. Prof. U. Windhorst), Center of Physiology, University of Goettingen. [Project Leader] The role of Cell Assemblies of the Central Nervous System in the Control of Movement: A Study of Functional Plasticity (DFG-funded programme, P.I. Prof. J. Meyer- Lohmann), Center of Physiology, University of Goettingen present Stochastic Models of Activity of Neuron Aggregates, University of Gottingen, A. Einstein College of Medicine, Columbia University and University of Crete. [P.I.] Fast Rhythms and Synchrony in Respiratory Activities (project within the NIH-funded programme Neural Genesis of Respiratory Rhythm, P.I. Prof. M.I. Cohen), Department of Physiology and Biophysics, A. Einstein College of Medicine. [Project Leader]

3 Trajectory Specification in Targeted Limb Movement (NIH - funded programme, P.I. Prof. C. Ghez), Center for Neurobiology and Behavior, College of Physicians and Surgeons, Columbia University Frequency Analysis of Rate Coding in Human Skeletal Muscle (project partially supported by NIH and NSF, P.I. Prof. C. Ghez), Center for Neurobiology and Behavior, College of Physicians and Surgeons, Columbia University. [Project Leader] 1990-present Computational Methodology for Analysis of Synchrony (Correlations) in Neural Populations, Basic Sciences, Medical School, University of Crete and Center for Neurobiology and Behavior, College of Physicians and Surgeons, Columbia University. [P.I.] Analysis of Motor Unit Firing Synchrony in Static and Dynamic Contractions of Human Hand Muscles (Project partially supported by Greek Secr. Res. Techn. Grant PENED-96), Basic Sciences, Medical School, University of Crete. [P.I.] 2004-present Human Motor Unit Firing Patterns and Synchrony in Movement Disorders and Pathological Tremors (Project partially supported by European Social Fund and National Resources Grant Pythagoras-II), Basic Sciences, Medical School, University of Crete, in collaboration with Prof. D. Anastasopoulos, School of Nursing, University of Athens. [P.I.] 2006-present Neuromuscular Mechanisms and Neural Strategies Underlying Time-varying Voluntary Contractions of Human Hand Muscles (Project partially supported by European Social Fund and National Resources Grant - Pythagoras-II), Basic Sciences, Medical School, University of Crete. [P.I.] 2008-present Tremor-Related Neural Rhythms and Rhythmical Motor Control, Basic Sciences, Medical School, University of Crete, in collaboration with Prof. C. Ghez, Center for Neurobiology and Behavior, College of Physicians and Surgeons, Columbia University. [P.I.] TEACHING EXPERIENCE - SERVICE Demonstrator, undergraduate laboratory course of Physics and Electronics, Dept. Electronics, Chelsea Col., Univ. London Laboratory teaching of Physiology, Center of Physiology, Med. School Univ. Goettingen Co-supervisor of doctoral theses: Imke Rost (Univ. Goettingen), Chen-Fu Shaw (A. Einstein Col. Med.), Meena Iyer (Columbia Univ.) present Course leader and participating teacher, Physiology-B (respiratory, renal and alimentary system), Med. School, Univ. Crete present Director, Laboratory of Systems Physiology and Computational Neuroscience, Medical School, Univ. Crete Supervisor of doctoral theses (Univ. Crete): Sophia Erimaki, Nikolaos Papadimitriou, Orsalia Agapaki present Participation in three-member advisory committees of seven doctoral theses (Univ. Crete) Post-doctoral training: W.-X. Huang, Theodoros Kokkorogiannis, Evangelos Anagnostou, Sophia Erimaki present Leader and teacher of graduate course entitled Signals and systems: applications to neuromuscular mechanisms of motor control, within the programme

4 Neurosciences (Med. School, Univ. Crete) and, subsequently, the interdepartmental programme Brain and Mind Sciences (Univ. Crete and Univ. Athens) Director, graduate programme Neurosciences present Participating teacher in Physiology-A course (nervous system), Med. School, Univ. Crete present Coordinator. curriculum committee, graduate programme Brain and Mind Sciences. INTRAMURAL SERVICE Member, Medical student employment committee, Med. School, Univ. Crete Member, Library committee, Med. School, Univ. Crete Member, General Assembly, Med. School, Univ. Crete Chairman, Dept. Basic Sciences, Med. School, Univ. Crete Coordinator, Committee for security of premises and protection of environment, Med. School, Univ. Crete. PUBLICATIONS A. Papers in Refereed Journals [citations ISI-Scopus] 1. Christakos C.N. and S. Lal. Force predictions relating to tremor and other consequences of a distributed model of skeletal muscle. J. Biomed. Eng. 1, , [6] 2. Christakos C.N. and S. Lal. Lumped and population stochastic models of skeletal muscle: Implications and predictions. Biol. Cybern. 36, 73-85, [26] 3. Christakos C.N. A linear stochastic model of the single motor unit. Biol. Cybern. 44, 79-89, [11] 4. Christakos C.N. A study of the muscle force waveform using a population stochastic model of skeletal muscle. Biol. Cybern. 44, , [47] 5. Christakos C.N. A study of the electromyogram using a population stochastic model of skeletal muscle. Biol. Cybern. 45, 5-12, [18] 6. Christakos C.N., H. Wolf and J. Meyer-Lohmann. The M2 electromyographic response to random perturbations of arm movements is missing in long-trained monkeys. Neurosci. Lett. 41, , [11] 7. Christakos C.N., I. Rost and U. Windhorst. The use of frequency-domain techniques in the study of signal transmission in skeletal muscle. Pfluegers Arch. (Europ. J. Physiol.) 400, , [37] 8. Christakos C.N. Note on the estimation of the correlation function of neural spike trains. Biol. Cybern, 50, , [4] 9. Christakos C.N. The mathematical basis of population rhythms in nervous and neuromuscular systems. Intern. J. Neurosci. 29, , [20]

5 10. Christakos C.N. and U. Windhorst. Spindle gain increase during muscle unit fatigue. Brain Res. 365, , [22] 11. Christakos C.N. and U. Windhorst. The information carried by spindle afferents on motor unit activity as revealed by spectral analysis. Brain Res. 367, 52-62, [4] 12. Windhorst U., C.N. Christakos, W. Koehler, T.M. Hamm. R.M. Enoka and D.G. Stuart. Amplitude reduction of motor unit twitches during repetitive activation is accompanied by relative increase of hyperpolarizing membrane potential trajectories in homonymous alphamotoneurons. Brain Res. 398, , [11] 13. Meyer-Lohmann J., C.N. Christakos and H. Wolf. Dominance of the short-latency component in perturbation induced electromyographic responses of long-trained monkeys. Exp. Brain Res. 64, , [34] 14. Christakos C.N., U. Windhorst, R. Rissing and J. Meyer-Lohmann. Frequency response of spinal Renshaw cells activated by stochastic motor axon stimulation. Neuroscience 23, , [17] 15. Cohen M.I., W.R. See, C.N. Christakos and A.L. Sica. High- and medium-frequency components of different inspiratory nerve discharges and their modification by various inputs. Brain Res. 417, , [105] 16. See W.R., M.I. Cohen, R. Barnhardt and C.N. Christakos. Intracellular potentials and discharge patterns of expiratory neurons in the caudal ventral respiratory group: influence of phasic pulmonary afferent input. Brain Res. 421, , [2] 17. Christakos C.N., M.I. Cohen, W.R. See and R. Barnhardt. Fast rhythms in the discharges of medullary inspiratory neurons. Brain Res. 463, , [39] 18. Christakos C.N., M.I. Cohen and W.R. See. Changes in frequency content of inspiratory neuron and nerve activity in the course of inspiration. Brain Res. 482, , [21] 19. Christakos C.N. Modelling aggregate rhythms in neural populations; the stochastic approach (invited review). Trends Biol. Cybern. 1, , [7] 20. Ghez C.C., J. Gordon, M.-F. Gillardi, Christakos C.N. & S.E. Cooper. Roles of proprioceptive input in the programming of arm trajectories. In Symposia on Quantitative Neurobiology 55 (The Brain), , Cold Spring Harbor Press, [152] 21. C.N. Christakos, M.I. Cohen, R. Barnhardt & C.-F. Shaw. Fast rhythms in the discharges of phrenic motoneurons and nerves. J. Neurophysiol. 66, , [48] 22. Huang W.-X., Christakos C.N., M.I. Cohen & Q. He. Possible network interactions indicated by bilaterally coherent rhythms in expiratory recurrent laryngeal nerve discharges. J. Neurophysiol. 70, , [8] 23. Christakos C.N. Analysis of synchrony (correlations) in neural populations by means of unit-to-aggregate coherence computations. Neuroscience 58, 43-57,1994. [22] 24. Iyer M.B., Christakos C.N. & C.C. Ghez. Coherent modulations of human motor unit discharges during quasi-sinusoidal isometric muscle contractions. Neurosci. Lett. 170, 94-98, [18] 25. Christakos C.N., M.I. Cohen, A.L. Sica, W.-X. Huang, W.R. See & R. Barnhardt. Analysis of recurrent laryngeal inspiratory discharges in relation to fast rhythms. J. Neurophysiol. 72, , [22] 26. Christakos C.N. On the detection and measurement of synchrony in large neural populations by coherence analysis. J. Neurophysiol. 78, , [25]

6 27. Erimaki S. and C.N. Christakos. Occurrence of widespread motor unit firing correlations in muscle contractions; their role in the generation of tremor and time-varying voluntary force. J. Neurophysiol. 82, , [24] 28. Christakos C.N., Papadimitriou N., Erimaki S. Parallel neuronal mechanisms underlying physiological force tremor in steady muscle contractions of humans. J. Neurophysiol. 95, 53-66, [33] 29. Erimaki S. and C.N. Christakos. Coherent motor unit rhythms in the 6-10 Hz range during time-varying voluntary muscle contractions: neural mechanism and relation to rhythmical motor control. J. Neurophysiol. 99, , [15] 30. Christakos C.N., Erimaki S., Anagnostou E, Anastasopoulos D. Tremor-related motor unit firing in Parkinson s disease. Implications for tremor genesis. J. Physiol. 587, , [12] 31. Christakos C.N., Erimaki S., Anagnostou E, Anastasopoulos D. Analyses of motor unit firing patterns and synchrony contribute to our understanding of tremor mechanisms in Parkinson s disease. Physiology News 79 (Summer Issue), 28-30, Erimaki S., Agapaki O.M., C.N. Christakos. Neuromuscular mechanisms and neural strategies in the control of time-varying muscle contractions. J. Neurophysiol. 110, , Agapaki O.M., Erimaki S., C.N. Christakos, Anastasopoulos D. A common rhythm in abnormal motor unit firing underlies the genesis of various parkinsonian tremors. (In preparation) B. Book Chapters 1. Christakos C.N., I. Rost and U. Windhorst. Quality of signal transmission from alphamotoneurons to spindle afferents in the cat. In: I.A. Boyd and M.H. Gladden (Eds), The Muscle Spindle, Macmillan Press, London and Basingstoke, pp , Christakos C.N. Detection and quantification of correlations in neural populations by coherence analysis. In I. Gath & G. Inbar (Eds), Advances in Processing and Pattern Analysis of Biological Signals (Chapter 12), p.p , Plenum, New York, Cohen M.I., Huang W.-X., See W.R., Yu Q. & C.N. Christakos. Fast rhythms in respiratory neural activities. In A.D. Miller, A.L. Bianchi & B.P. Bishop (Eds), Neural Control of the Respiratory Muscles (Chapter 13), p.p , CRC Press, New York, C. Abstracts 1. Christakos C.N., S. Lal, R.F. Mathams & I. Rawstorne. Three-dimensional measurement of finger tremor. J. Physiol. 270, 8-9P, Christakos C.N. & S. Lal. Asynchronous motor unit activities and tremor. J. Physiol. 293, 42-43P, Christakos C.N. Asynchronous motor unit activity: A common explanatory basis for the features of muscle force and myoelectric signal. Neurosci. Lett. Suppl. 7, S102, Christakos C.N. The grouping of events in the superposition of independent event sequences: mathematical explanation and physiological implications. Neurosci. Lett. Suppl. 10, S112, 1982.

7 5. Christakos C.N., I. Rost & U. Windhorst. Modulation of muscle stretch receptor discharge by motor unit activity in the cat as revealed by spectral analysis, J. Physiol. 341, 17-18P, Christakos C.N., I. Rost & U. Windhorst. Signal transmission in skeletal muscle studied by means of spectral analysis. Neurosci. Lett. Suppl. 14, S65, Wolf H., C.N. Christakos & J. Meyer-Lohmann. Differing electromyographic responses to random torques of various amplitudes applied at different phase of an alternating arm movement in monkeys. Neurosci. Lett. Suppl. 14, S406, Christakos C.N. Spectral properties of quasi-periodic signals and the emergence of aggregate rhythms in nervous and neuromuscular systems. Neurosci.Lett. Suppl. 18, S387, Christakos C.N., H. Wolf & J. Meyer-Lohmann. Agonist and antagonist perturbation induced electromyographic responses in long-trained monkeys. Neurosci. Lett. Suppl. 18, S266, Christakos C.N., I. Rost & U. Windhorst. Transfer characteristics of systems linking efferent and spindle afferent signals; the effects of muscle fatigue. Neurosci. Lett. Suppl. 18, S258, Meyer-Lohmann J., C.N. Christakos & H. Wolf. Investigation of plasticity in the sensorimotor system of adult monkeys. Biol. Chem. Hoppe Seyler 366, 139, Christakos C.N., J. Meyer-Lohmann & H. Wolf. What is the cause for the loss of the M2 component in reflex responses of long-trained monkeys? Neurosci. Lett. Suppl. 22, S130, Christakos C.N. & U. Windhorst. Comparison of the discharge patterns of primary and secondary muscle spindle endings using frequency analysis. Neurosci. Lett. Suppl. 22, S268, Christakos C.N., J. Meyer-Lohmann & H. Wolf. Enhanced fast spinal action in the responses of long-trained monkeys to external disturbances. Pflugers Arch. 405, Suppl. 2, R48, Windhorst U., C.N. Christakos, W. Koehler, T.M. Hamm, R.M. Enoka & D.G. Stuart. Similar changes occur during fatigue in the gain of signal transmission from motor units to spindle afferents and to homonymous alpha-motoneurons. Neurosci. Lett. Suppl. 26, S81, Christakos C.N. & U. Windhorst. Dynamic behaviour of Renshaw cells studied by means of spectral analysis. Neurosci. Lett. Suppl. 26, D362, M.I. Cohen, W.R. See, A.L. Sica & C.N. Christakos. Common vs. specific high-frequency components in different inspiratory nerve discharges: effects of chemical and pulmonary inputs. Fed. Proc. 46, 1103, Christakos C.N., M.I. Cohen, W.R. See & R. Barnhardt. Relation of discharge properties of medullary inspiratory neurons to the phrenic high-frequency oscillation. Fed. Proc. 46, 1102, See W.R., M.I. Cohen, R. Barnhardt & C.N. Christakos. Intracellular potentials and discharge patterns of expiratory neurons in the caudal ventral respiratory group and their responses to changes of phasic pulmonary afferent input. Fed. Proc. 46, 1419, Christakos C.N., M.I. Cohen & W.R. See. Changes in frequency content of inspiratory nerve and neuron activity during inspiration. Soc. Neurosci. Abstr. 13, 1587, 1987.

8 21. See W.R., M.I. Cohen, R. Barnhardt & C.N. Christakos. Inhibitory influences on expiratory neurons in the caudal ventral respiratory group (cvrg) as revealed by intracellular recordings. Soc. Neurosci. Abstr. 13, 1586, Shaw C.F., M.I. Cohen, R. Barnhardt & C.N. Christakos. Discharge properties of respiratory-related neurons in the rostrolateral pontine respiratory group, FASEB J. 2, A508, Christakos C.N., M.I. Cohen, W.R. See, D. Donnelly & R. Barnhardt. Origin of mediumfrequency oscillations and high-frequency oscillations in the phrenic neurogram. FASEB J. 2, A510, See W.R., M.I. Cohen, R. Barnhardt & C.N. Christakos. Respiratory-related neurons in the upper cervical cord of the cat: Discharge patterns, high-frequency oscillations, and correlation with phrenic nerve activity. FASEB J. 2, A510, Christakos C.N., M.I. Cohen, R. Barnhardt & C.F. Shaw. Medium-frequency spectral peaks of phrenic motoneuron and nerve activities. Soc. Neurosci. Abstr 15, 192, Iyer M.B., C.N. Christakos & C. Ghez. Human motor unit firing during quasi-sinuoidal isometric muscle contractions. Soc. Neurosci. Abstr. 16, 1320, Cohen M.I., C.N. Christakos, R. Barnhardt, W.-X. Huang & W.R. See. Short-time-scale oscillatory synchronization in inspiratory and sympathetic networks. Europ. J. Neurosci. Suppl. 5, 133, Christakos C.N. Unit-to-aggregate coherence computations in the analysis of population synchrony. Europ. J. Neurosci Suppl. 5, 212, Huang W.-X., M.I. Cohen, R. Barnhardt & C.N. Christakos. Synchronized earlyinspiratory phrenic unit activities in decerebrate cats. Soc. Neurosci. Abstr. 18, 317, Cohen M.I., C.N. Christakos, R. Barnhardt, W.-X. Huang & W.R. See. State-dependent synchronized fast rhythms in neural networks (inspiratory and sympathetic). Soc. Neurosci. Abstr. 18, 317, Christakos C.N. The unit-to-aggregate coherence approach for analysis of synchrony in neural populations. Soc.Neurosci. Abstr. 19, 994, Huang W.-X., C.N. Christakos, M.I. Cohen & Q. He. Fast rhythms in discharges of expiratory recurrent laryngeal single fibers. Soc. Neurosci. Abstr. 19, 1489, Christakos C.N. Quantification of synchrony in neural populations by coherence analysis. Soc. Neurosci.Asbtr. 20, 1202, Christakos C.N. The study of correlations in neural populations by aggregate-toaggregate (ATA) coherence analysis. Soc. Neurosci.Asbtr. 21, 148, Christakos C.N. Measurement of synchrony in neural populations by coherence analysis. ENA Ann. Meeting, Abstract Book, p. 49, Christakos C.N. & M. Giatroudaki. Coherence analysis of correlations with distributed strengths in neural populations. Europ. J. Neurosci. Suppl. 10, 192, Erimaki S. & C.N. Christakos. Correlations of motor unit activities in static and dynamic muscle contractions. Europ. J. Neurosci. Suppl. 10, 194, Christakos C.N. & M. Giatroudaki. Unit-to-aggregate coherence and correlation analysis of synchrony in neural populations. Soc. Neurosci. Asbtr. 24, 674, 1998.

9 39. Erimaki S., U. Windhorst & C.N. Christakos. Two parallel mechanisms of motor unit synchrony in static and dynamic muscle contractions. Soc. Neurosci. Asbtr. 24, 674, Erimaki S. & C.N. Christakos. Motor unit synchrony and muscle tremor types. Soc. Neurosci. Asbtr. 25, 1150, Christakos C.N. & S. Erimaki. Tremor components in static and dynamic muscle contractions. Europ. J. Neurosci., Suppl. 11, 149, Papadimitriou, N., S. Erimaki, N. Ploumis, C.N. Christakos. Motor unit firing rhythmicity and spinal stretch reflex oscillations as the two parallel mechanisns of physiological force tremor. Soc. Neurosci., New Orleans, Christakos C.N., S. Erimaki & A.K. Moschovakis. Complicating factors in the analysis of neural population synchrony and in understanding the formation of aggregate rhythms: application to tremor genesis. Soc. Neurosci., New Orleans, Cohen M.I., W. See, Q. Yu. W. Huang, V. Marchenko, A. Granada, C.N. Christakos. Integer-ratio synchronization between different neural rhythms in respiratory and sympathetic networks. Soc. Neurosci., Washington DC, Erimaki, S., C.N. Christakos. Study of Hz motor unit firing synchrony in steady and slowly varying muscle contractions. Soc. Neurosci., Atlanta, Christakos C.N., N. Plumis, S. Erimaki. Synchronized 6-12 Hz motor unit rhythms in steady and slowly varying muscle contractions: underlying mechanism and implications for motor control. Soc. Neurosci., Atlanta, Erimaki S., Anagnostou E., Anastasopoulos D., C.N. Christakos. Motor unit firing properties and rhythmical correlations in parkinsonian postural tremor. J. Neurol., 254 suppl.3, 64, Agapaki O.M., Erimaki S., Anastasopoulos D., C.N. Christakos. Tremor-related spike doublets and triplets characterize motor unit firing in Parkinson s disease. Soc. Neurosci., Washington DC, Christakos C.N., O.M. Agapaki, S. Erimaki. Neural mechanisms and strategies involved in muscle-force tracking of predictable visual targets. Soc. Neurosci., Washington DC, Erimaki S., O.M. Agapaki, C.N. Christakos. Tremor-related neural rhythms as a basis for rhythmical control of muscle contractions. Soc. Neurosci., Washington DC, Agapaki O.M., C.N. Christakos, S. Erimaki, D. Anastasopoulos. Rest and postural tremor in Parkinson s disease are accompanied by rhythmical motor unit spike doublets and triplets at a common frequency. J. Neurol., 260 suppl.1, 143, D. Reports in Proceedings of Scientific Meetings 1. Christakos C.N. The characteristics of tremor at various levels of contraction as predicted by a population model of muscle. Proc.2nd Mediter. Conf. on Med. & Biol. Eng., 33-34, Marseille, France, Christakos C.N. The oscillating density of impulses in the sum of uncorrelated semiregular impulse processes and its physiological implications. Proc. World Congr. on Med. Phys. & Biomed. Eng., 8.02, Hamburg, Germany, Meyer-Lohmann J., H. Wolf & C.N. Christakos. Biceps EMG responses to random perturbations of elbow flexions in well trained monkeys, Workshop of the SFB 33 on Movement and Locomotion, Göttingen, Germany, 1983.

10 4. Christakos C.N., I. Rost & U. Windhorst. Linear information transfer from efferent to Ia afferent spike trains in skeletal muscle. IIèmes Journées Neurophysiol. Sci. Ing. (CNRS), 5P1, Strasbourg, France, Meyer-Lohmann J., C.N. Christakos & H. Wolf. Langzeittraining Begunstigt die M1- Komponente in der EMG-Antwort auf mechanische Storpulse in Affen. p. 223, Neurobiol. Tagung, Göttingen, Germany, Windhorst U. & C.N. Christakos. Spektralanalyse der Antworten von Muskelspindelafferenzen auf unfusionierte Kontraktionen homonymer motorischer Einheiten, p. 250, Neurobiol. Tagung, Göttingen, Germany, Meyer-Lohmann, H. Wolf & C.N. Christakos. Long-term adaptive changes of perturbation induced electromyographic responses in well-trained monkeys. Intern. Symp. on Feedback and Motor Control, Glasgow, U.K., Christakos C.N. A stochastic model of aggregate rhythms in population activity; the role of motor untis in the generation of physiological muscle tremor. Eng. Found. Conf. on Biomechanics and Neural Control of Movement: Development and Role of Models, Henniker, U.S.A., Christakos C.N. Signal flow in the alpha motoneuron - muscle spindle loop. In Proc. Symp. on Perspectives in Motor Control, Paphos, Cyprus, (Eds. H.-D. Henatsch et al.), pp , AIM Verlag, Gottingen, Huang W.-X., M.I. Cohen, C.N. Christakos & Q. He. Fast rhythms in expiratory laryngeal activities. Proc. XXXII Congr. of Intl.Union Physiol.Sci., Glasgow, U.K., Christakos C.N. Measurement of synchrony in neural populations by coherence analysis. 12th Annual Meeting of the Hellenic Soc. Neurosci., Anogia, Greece, Erimaki S. & C.N. Christakos. Motor unit activities and correlations in static and dynamic muscle contractions. 13th Annual Meeting of the Hellenic Soc. Neurosci., Athens, Greece, Christakos C.N. & M. Giatroudaki. Analysis of correlations in neural populations. 13th Annual Meeting of the Hellenic Soc. Neurosci., Athens, Greece, Erimaki S. & C.N. Christakos. Motor unit synchrony in muscle contractions. Eur. Winter Conf. on Brain Res., St. Maurice, France, Erimaki S. & C.N. Christakos. Physiological muscle tremor and motor unit synchrony. 14th Annual Meeting of the Hellenic Soc. Neurosci., Abstracts p. 11, Volos, Greece, Erimaki S., N. Papadimitriou, C.N. Christakos. Types and origin of physiological tremor in steady and time-varying muscle contractions, 15th Annual Meeting of the Hellenic Soc. Neurosci., Patras, Greece, Erimaki S., D. Anastasopoulos, N. Papadimitriou, C. N. Christakos. Study of motor unit firing behavior in movement disorders with emphasis on pathological muscle tremors. 18th Annual Meeting of the Hellenic Soc. Neurosci., Athens, Greece, Erimaki S., E. Anagnostou, D. Anastasopoulos, C.N. Christakos. Pathological tremors and motor unit synchrony. 19th Annual Meeting of the Hellenic Soc. Neurosci., Patras, Greece, Agapaki O.M., S. Erimaki, D. Anastasopoulos, C.N. Christakos. Rhythmical motor units spke doublets and triplets in parkinsonian rest and postural tremor. Annual Meeting of the Hellenic Soc. Neurosci., Athens, Greece, 2010.

11 E. Other Reports 1. Christakos C.N. Comparison of computational methods for counting all trees of a graph, Dissertation for the Degree, Faculty of Electrical and Mechanical Engineering, National Technical University of Athens, Christakos C.N. Adaptive matched filter. Research Report, Department of Electronics, Chelsea College, University of London, Christakos C.N., J. Meyer-Lohmann, R. Schaumberg, W. Tiedeman & A. Vrabec. Die Rolle cerebellarer und cerebraler Kerne bei trainierten Armbewegungen wacher Affen. Berichtband SFB , 87-91, 1981.