Publications by Boyan, George

Journal article

Ehrhardt, Erica; Boyan, George (2020): Evidence for the cholinergic markers ChAT and vAChT in sensory cells of the developing antennal nervous system of the desert locust Schistocerca gregaria. In: Invertebrate neuroscience : IN, Vol. 20, No. 4, 19: pp. 1-8 [PDF, 1MB]

Boyan, George; Ehrhardt, Erica (2020): Epithelial domains and the primordial antennal nervous system of the embryonic grasshopper Schistocerca gregaria. In: Invertebrate Neuroscience, Vol. 20, No. 2, 6

Boyan, George; Ehrhardt, Erica (2019): Dysregulation of axogenesis in the antennal nervous system of the embryonic grasshopper Schistocerca gregaria. In: Invertebrate Neuroscience

Boyan, George; Williams, Leslie; Müller, Tobias; Bacon, Jonathan P. (2018): Ontogeny and development of the tritocerebral commissure giant (TCG): an identified neuron in the brain of the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 228, No. 3-4: pp. 149-162

Boyan, George; Graf, Philip; Ehrhardt, Erica (2018): Patterns of cell death in the embryonic antenna of the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 228, No. 2: pp. 105-118

Boyan, George; Ehrhardt, Erica (2017): Ontogeny of pioneer neurons in the antennal nervous system of the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 227, No. 1: pp. 11-23

Boyan, George; Liu, Yu; Khalsa, Sat Kartar; Hartenstein, Volker (2017): A conserved plan for wiring up the fan-shaped body in the grasshopper and Drosophila. In: Development Genes and Evolution, Vol. 227, No. 4: pp. 253-269

Boyan, George; Liu, Yu (2016): Development of the Neurochemical Architecture of the Central Complex. In: Frontiers in Behavioral Neuroscience, Vol. 10, 167 [PDF, 5MB]

Ehrhardt, Erica; Graf, Philip; Kleele, Tatjana; Liu, Yu; Boyan, George (2016): Fates of identified pioneer cells in the developing antennal nervous system of the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 45, No. 1: pp. 23-30

Yang, Jie; Ortega-Hernández, Javier; Butterfield, Nicholas J.; Liu, Yu; Boyan, George; Hou, Jin-bo; Lan, Tian; Zhang, Xi-guang (2016): Fuxianhuiid ventral nerve cord and early nervous system evolution in Panarthropoda. In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 113, No. 11: pp. 2988-2993

Boyan, George; Ehrhardt, Erica (2015): Pioneer neurons of the antennal nervous system project to protocerebral pioneers in the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 225, No. 6: pp. 377-382

Ehrhardt, Erica; Kleele, Tatjana; Boyan, George (2015): A method for immunolabeling neurons in intact cuticularized insect appendages. In: Development Genes and Evolution, Vol. 225, No. 3: pp. 187-194

Boyan, George; Williams, Leslie; Liu, Yu (2015): Conserved patterns of axogenesis in the panarthropod brain. In: Arthropod Structure & Development, Vol. 44, No. 2: pp. 101-112

Ehrhardt, Erica; Liu, Yu; Boyan, George (2015): Axogenesis in the antennal nervous system of the grasshopper Schistocerca gregaria revisited: the base pioneers. In: Development Genes and Evolution, Vol. 225, No. 1: pp. 39-45

Ito, Kei; Shinomiya, Kazunori; Ito, Masayoshi; Armstrong, J. Douglas; Boyan, George; Hartenstein, Volker; Harzsch, Steffen; Heisenberg, Martin; Homberg, Uwe; Jenett, Arnim; Keshishian, Haig; Restifo, Linda L.; Rössler, Wolfgang; Simpson, Julie H.; Strausfeld, Nicholas J.; Strauss, Roland; Vosshall, Leslie B. (2014): A Systematic Nomenclature for the Insect Brain. In: Neuron, Vol. 81, No. 4: pp. 755-765

Boyan, George; Liu, Yu (2014): Timelines in the insect brain: fates of identified neural stem cells generating the central complex in the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 224, No. 1: pp. 37-51

Liu, Yu; Boyan, George (2013): Glia associated with central complex lineages in the embryonic brain of the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 223, No. 4: pp. 213-223

Boyan, George; Williams, Leslie; Götz, Stefanie (2013): Postembryonic development of astrocyte-like glia of the central complex in the grasshopper Schistocerca gregaria. In: Cell and Tissue Research, Vol. 351, No. 3: pp. 361-372

Boyan, George; Liu, Yu; Loser, Michael (2012): A cellular network of dye-coupled glia associated with the embryonic central complex in the grasshopper. In: Development Genes and Evolution, Vol. 222, No. 3: pp. 125-138

Boyan, George; Loser, Michael; Williams, Leslie; Liu, Yu (2011): Astrocyte-like glia associated with the embryonic development of the central complex in the grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 221, No. 3: pp. 141-155

Boyan, George; Williams, Leslie (2011): Embryonic development of the insect central complex: Insights from lineages in the grasshopper and Drosophila. In: Arthropod Structure & Development, Vol. 40, No. 4: pp. 334-348

Boyan, George; Reichert, Heinrich (2011): Mechanisms for complexity in the brain: generating the insect central complex. In: Trends in Neurosciences, Vol. 34, No. 5: pp. 247-257

Boyan, George; Niederleitner, Bertram (2011): Patterns of dye coupling involving serotonergic neurons provide insights into the cellular organization of a central complex lineage of the embryonic grasshopper Schistocerca gregaria. In: Development Genes and Evolution, Vol. 220, No. 11-12: pp. 297-313

Herbert, Zsofia; Rauser, Sandra; Williams, Leslie; Kapan, Neval; Guentner, Michaela; Walch, Axel; Boyan, George (2010): Developmental Expression of Neuromodulators in the Central Complex of the Grasshopper Schistocerca gregaria. In: Journal of Morphology, Vol. 271, No. 12: pp. 1509-1526

Boyan, George; Williams, Leslie; Legl, Andrea; Herbert, Zsofia (2010): Proliferative cell types in embryonic lineages of the central complex of the grasshopper Schistocerca gregaria. In: Cell and Tissue Research, Vol. 341, No. 2: pp. 259-277

Boyan, George; Herbert, Zsofia; Williams, Leslie (2010): Cell Death Shapes Embryonic Lineages of the Central Complex in the Grasshopper Schistocerca gregaria. In: Journal of Morphology, Vol. 271, No. 8: pp. 949-959

Boyan, George; Williams, Leslie; Herbert, Zsofia (2010): Multipotent neuroblasts generate a biochemical neuroarchitecture in the central complex of the grasshopper Schistocerca gregaria. In: Cell and Tissue Research, Vol. 340, No. 1: pp. 13-28

Boyan, George; Williams, J. L. D.; Herbert, Z. (2008): An ontogenetic analysis of locustatachykinin-like expression in the central complex of the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 37, No. 6: pp. 480-491

Boyan, George; Williams, J. L. D.; Herbert, Z. (2008): Fascicle switching generates a chiasmal neuroarchitecture in the embryonic central body of the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 37, No. 6: pp. 539-544

Boyan, George; Williams, J. L. D. (2008): Evidence that the primary brain commissure is pioneered by neurons with a peripheral-like ontogeny in the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 37, No. 3: pp. 186-198

Williams, J. L. D.; Boyan, George (2008): Building the central complex of the grasshopper Schistocerca gregaria: axons pioneering the w, x, y, z tracts project onto the primary commissural fascicle of the brain. In: Arthropod Structure & Development, Vol. 37, No. 2: pp. 129-140

Boyan, George; Williams, J. L. D. (2007): Embryonic development of a peripheral nervous system: Nerve tract associated cells and pioneer neurons in the antenna of the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 36, No. 3: pp. 336-350

Williams, J. L. D.; Guntner, M; Boyan, George (2005): Building the central complex of the grasshopper Schistocerca gregaria: temporal topology organizes the neuroarchitecture of the w, x, y, z tracts. In: Arthropod Structure & Development, Vol. 34, No. 1: pp. 97-110

Boyan, George; Williams, J. L. D. (2004): Embryonic development of the sensory innervation of the antenna of the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 33, No. 4: pp. 381-397

Boyan, George; Posser, S.; Ludwig, P.; Güntner, M.; Williams, L. (2004): Ontogeny of identified cells from the median domain in the embryonic brain of the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 33, No. 2: pp. 125-137

Boyan, George; Braunig, P.; Posser, S.; Williams, J. L. D. (2003): Embryonic development of the sensory innervation of the clypeo-labral complex: further support for serially homologous appendages in the locust. In: Arthropod Structure & Development, Vol. 32, No. 4: pp. 289-302

Boyan, George; Reichert, H.; Hirth, F. (2003): Commissure formation in the embryonic insect brain. In: Arthropod Structure & Development, Vol. 32, No. 1: pp. 61-77

Boyan, George; Williams, J. L. D.; Posser, S.; Braunig, P. (2002): Morphological and molecular data argue for the labrum being non-apical, articulated, and the appendage of the intercalary segment in the locust. In: Arthropod Structure & Development, Vol. 31, No. 1, PII S1467-8039(02)00016-6: pp. 65-76

Boyan, George; Williams, L. (2002): A single cell analysis of engrailed expression in the early embryonic brain of the grasshopper Schistocerca gregaria: ontogeny and identity of the secondary headspot cells. In: Arthropod Structure & Development, Vol. 30, No. 3, PII S1467-8039(01)00034-2: pp. 207-218

Ludwig, P.; Williams, L.; Boyan, George (2002): The pars intercerebralis of the locust brain: A developmental and comparative study. In: Microscopy Research and Technique, Vol. 56, No. 3: pp. 174-188

Ludwig, P.; Williams, L.; Nassel, D. R.; Reichert, H.; Boyan, George (2001): Primary commissure pioneer neurons in the brain of the grasshopper Schistocerca gregaria: Development, ultrastructure, and neuropeptide expression. In: Journal of Comparative Neurology, Vol. 430, No. 1: pp. 118-130

Graf, S.; Ludwig, P.; Boyan, George (2000): Lazarillo expression reveals a subset of neurons contributing to the primary axon scaffold of the embryonic brain of the grasshopper Schistocerca gregaria. In: Journal of Comparative Neurology, Vol. 419, No. 3: pp. 394-405

Prier, K. R.; Boyan, George (2000): Synaptic input from serial chordotonal organs onto segmentally homologous interneurons in the grasshopper Schistocerca gregaria. In: Journal of insect Physiology, Vol. 46, No. 3: pp. 297-312

Boyan, George; Williams, L. (2000): Building the antennal lobe: engrailed expression reveals a contribution from protocerebral neuroblasts in the grasshopper Schistocerca gregaria. In: Arthropod Structure & Development, Vol. 29, No. 3: pp. 267-274

Ludwig, P.; Williams, J. L. D.; Lodde, E.; Reichert, H.; Boyan, George (1999): Neurogenesis in the median domain of the embryonic brain of the grasshopper Schistocerca gregaria. In: Journal of Comparative Neurology, Vol. 414, No. 3: pp. 379-390

Boyan, George (1999): Presynaptic contributions to response shape in an auditory neuron of the grasshopper. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 184, No. 3: pp. 279-294

Kössl, M.; Boyan, George (1998): Acoustic distortion products from the ear of a grasshopper. In: Journal of the Acoustical Society of America, Vol. 104, No. 1: pp. 326-335

Kössl, M.; Boyan, George (1998): Otoacoustic emissions from a nonvertebrate ear. In: Die Naturwissenschaften, Vol. 85, No. 3: pp. 124-127

Boyan, George; Williams, J. L. D. (1997): Embryonic development of the pars intercerebralis central complex of the grasshopper. In: Development Genes and Evolution, Vol. 207, No. 5: pp. 317-329

Reichert, H.; Boyan, George (1997): Building a brain: Developmental insights in insects. In: Trends in Neurosciences, Vol. 20, No. 6: pp. 258-264

Boyan, George; Williams, J. L. D.; Reichert, H. (1995): Morphogenetic reorganization of the brain during embryogenesis in the grasshopper. In: Journal of Comparative Neurology, Vol. 361, No. 3: pp. 429-440

Boyan, George; Williams, J. L. D.; Reichert, H. (1995): Organization of a midline proliferative cluster in the embryonic brain of the grasshopper. In: Roux'S Archives of Developmental Biology, Vol. 205, No. 1-2: pp. 45-53

Boyan, George; Therianos, S.; Williams, J. L. D.; Reichert, H. (1995): Axogenesis in the embryonic brain of the grasshopper Schistocerca gregaria: an identified cell analysis of early brain development. In: Development, Vol. 121, No. 1: pp. 75-86

Baroni Urbani, C.; Boyan, George; Blarer, A.; Billen, J.; Musthak Ali, T. M. (1994): A novel mechanism for jumping in the indian antHarpegnathos saltator (Jerdon) (Formicidae, Ponerinae). In: Experientia, Vol. 50, No. 1: pp. 63-71

Boyan, George; Ball, E. E. (1993): The grasshopper, Drosophila and neuronal homology (advantages of the insect nervous system for the neuroscientist). In: Progress in Neurobiology, Vol. 41, No. 6: pp. 657-682

Boyan, George; Williams, L.; Meier, T. (1993): Organization of the commissural fibers in the adult brain of the locust. In: Journal of Comparative Neurology, Vol. 332, No. 3: pp. 358-377

Boyan, George (1993): Another look at insect audition: The tympanic receptors as an evolutionary specialization of the chordotonal system. In: Journal of insect Physiology, Vol. 39, No. 3: pp. 187-200

Boyan, George (1992): Common synaptic drive to segmentally homologous interneurons in the locust. In: Journal of Comparative Neurology, Vol. 321, No. 4: pp. 544-554

Boyan, George (1991): A neuronal network defined by lineage in the locust CNS. In: Die Naturwissenschaften, Vol. 78, No. 12: pp. 565-567

Boyan, George; Miller, L. A. (1991): Parallel processing of afferent input by identified interneurones in the auditory pathway of the noctuid moth Noctua pronuba (L.). In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 168, No. 6: pp. 727-738

Boyan, George; Williams, L.; Fullard, J. (1990): Organization of the auditory pathway in the thoracic ganglia of noctuid moths. In: Journal of Comparative Neurology, Vol. 295, No. 2: pp. 248-267

Boyan, George; Ball, E. E. (1990): Neuronal organization and information processing in the wind-sensitive cercal receptor/giant interneurone system of the locust and other orthopteroid insects. In: Progress in Neurobiology, Vol. 35, No. 3: pp. 217-243

Boyan, George (1989): Synaptic input converging onto an identified premotor interneuron in the locust is gated according to modality. In: Die Naturwissenschaften, Vol. 76, No. 9: pp. 431-433

Boyan, George; Williams, J. L. D.; Ball, E. E. (1989): The wind-sensitive cercal receptor/giant interneurone system of the locust,Locusta migratoria. I. Anatomy of the system. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 165, No. 4: pp. 495-510

Boyan, George; Ball, E. E. (1989): The wind-sensitive cercal receptor/giant interneurone system of the locust,Locusta migratoria. III. Cercal activation of thoracic motor pathways. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 165, No. 4: pp. 523-537

Boyan, George; Ball, E. E. (1989): The wind-sensitive cercal receptor/giant interneurone system of the locust,Locusta migratoria. II. Physiology of giant interneurones. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 165, No. 4: pp. 511-521

Boyan, George; Williams, J. L. D.; Ball, E. E. (1989): The wind-sensitive cercal receptor/giant interneurone system of the locust,Locusta migratoria. IV. The non-giant interneurones. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 165, No. 4: pp. 539-552

Boyan, George; Ball, E. E. (1989): Parallel inputs shape the response of a giant interneurone in the cercal system of the locust. In: Journal of insect Physiology, Vol. 35, No. 4: pp. 305-312

Boyan, George (1988): Presynaptic inhibition of identified wind-sensitive afferents in the cercal system of the locust. In: Journal of Neuroscience, Vol. 8, No. 8: pp. 2748-2757

Boyan, George; Fullard, J. H. (1988): Information processing at a central synapse suggests a noise filter in the auditory pathway of the noctuid moth. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 164, No. 2: pp. 251-258

Boyan, George; Ashman, S.; Ball, E. E. (1986): Initiation and modulation of flight by a single giant interneuron in the cercal system of the locust. In: Die Naturwissenschaften, Vol. 73, No. 5: pp. 272-274

Boyan, George; Ball, E. E. (1986): Wind-sensitive interneurones in the terminal ganglion of praying mantids. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 159, No. 6: pp. 773-789

Boyan, George; Fullard, J. H. (1986): Interneurones responding to sound in the tobacco budworm mothHeliothis virescens (Noctuidae): morphological and physiological characteristics. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 158, No. 3: pp. 391-404

Boyan, George (1986): Modulation of auditory responsiveness in the locust. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 158, No. 6: pp. 813-825

Pearson, K. G.; Boyan, George; Bastiani, M.; Goodman, C. S. (1985): Heterogeneous properties of segmentally homologous interneurons in the ventral nerve cord of locusts. In: Journal of Comparative Neurology, Vol. 233, No. 1: pp. 133-145

Boyan, George (1985): Auditory input to the flight system of the locust. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 156, No. 1: pp. 79-91

Boyan, George; Altman, J. S. (1985): The suboesophageal ganglion: a ‘missing link’ in the auditory pathway of the locust. In: Journal of Comparative Physiology A: Neuroethology, Sensory, Neural, and Behavioral Physiology, Vol. 156, No. 3: pp. 413-428

Boyan, George (1985): Response decrement in an auditory neurone of the locust. In: Journal of insect Physiology, Vol. 31, No. 2: pp. 99-107

Boyan, George (1984): Neural mechanisms of auditory information processing by identified interneurones in Orthoptera. In: Journal of insect Physiology, Vol. 30, No. 1: pp. 27-41

Boyan, George (1984): What is an “auditory” neurone? In: Die Naturwissenschaften, Vol. 71, No. 9: pp. 482-484

Boyan, George (1983): Postembryonic development in the auditory system of the locust. Anatomical and physiological characterisation of interneurones ascending to the brain. In: Journal of Comparative Physiology A, Vol. 151, No. 4: pp. 499-513

Ball, E. E.; Boyan, George; Stone, R. C. (1982): The cercal receptor system of the praying mantid, Archimantis brunneriana Sauss. II. Cercal nerve structure and projection and electrophysiological responses of individual receptors. In: Cell and Tissue Research, Vol. 224, No. 1: pp. 71-80

Boyan, George; Williams, J. L. D. (1982): Auditory neurones in the brain of the cricket Gryllus bimaculatus (De Geer): Ascending interneurones. In: Journal of insect Physiology, Vol. 28, No. 6: pp. 493-501

Boyan, George (1981): Two-tone suppression of an identified auditory neurone in the brain of the cricketGryllus bimaculatus (De Geer). In: Journal of Comparative Physiology A, Vol. 144, No. 1: pp. 117-125

Boyan, George; Williams, J. L. D. (1981): Descending interneurones in the brain of the cricket. Anatomy and responses to auditory stimuli. In: Die Naturwissenschaften, Vol. 68, No. 9: pp. 486-487

Boyan, George (1980): Auditory neurones in the brain of the cricketGryllus bimaculatus (De Geer). In: Journal of Comparative Physiology A, Vol. 140, No. 1: pp. 81-93

Boyan, George (1979): Directional responses to sound in the central nervous system of the cricketTeleogryllus commodus(Orthoptera: Gryllidae). I. Ascending interneurons. In: Journal of Comparative Physiology A, Vol. 130, No. 2: pp. 137-150

Boyan, George (1979): Directional responses to sound in the central nervous system of the cricketTeleogryllus commodus(Orthoptera: Gryllidea). II. A descending interneuron. In: Journal of Comparative Physiology A, Vol. 130, No. 2: pp. 151-159

Boyan, George (1978): Coding of directional information by a descending interneuron in the auditory system of the cricket. In: Die Naturwissenschaften, Vol. 65, No. 4: pp. 212-213

Hill, K. G.; Boyan, George (1977): Sensitivity to frequency and direction of sound in the auditory system of crickets (Gryllidae). In: Journal of Comparative Physiology A, Vol. 121, No. 1: pp. 79-97

Hill, K. G.; Boyan, George (1976): Directional hearing in crickets. In: Nature, Vol. 262, No. 5567: pp. 390-391

Book Section

Boyan, George; Liu, Yu (2014): Dye Coupling and Immunostaining of Astrocyte-Like Glia Following Intracellular Injection of Fluorochromes in Brain Slices of the Grasshopper, Schistocerca gregaria. In: Sprecher, Simon G. (ed.) : Brain development ; methods and protocols. Methods in molecular biology, Vol. 1082. New York: Humana Press. pp. 99-113

Boyan, George; Williams, J. L. D.; Hirth, F. (2007): Commissural organization and brain segmentation in insects. In: Kaas, Jon H. (ed.) : Evolution of nervous systems. 1. Theories, development, invertebrates. Evolution of nervous systems ; a comprehensive reference, Amsterdam: Elsevier, Academic Press. pp. 349-360

Boyan, George (1998): Development of the Insect Auditory System. In: Hoy, Ronald R. (ed.) : Comparative hearing: insects. Springer handbook of auditory research, Vol. 10. New York: Springer. pp. 97-138

Boyan, George; Williams, J. L. D. (1995): Lineage analysis as an analytical tool in the insect central nervous system: Bringing order to interneurons. In: Breidbach, O.; Kutsch, W. (eds.) : The Nervous Systems of Invertebrates: An Evolutionary and Comparative Approach. Basel: Birkhäuser.

Fitt, G. P.; Boyan, George (1991): Methods of studying behavior. In: Zalucki, Myron P. (ed.) : Heliothis ; research methods and prospects. Springer series in experimental entomology, New York ; Berlin ; Heidelberg: Springer. pp. 122-150

Boyan, George (1985): Responses to sound of identified neurones in the flight system of the locust. In: Kalmring, Klaus (ed.) : Acoustic and vibrational communication in insects ; proceedings from the 17. Internat. Congress of Entomology, held at the Univ. of Hamburg, August 1984. Berlin u.a.: Parey. pp. 82-88