Publications

If you are interested in one of the papers please contact the authors directly.

 

2017

BLEICH S., MÜLLER C. H. G., GRAF G. & HANKE W. (in press). Flow generation by the corona ciliata in Chaetognatha - quantification and implications for curren functional hypotheses. Zoology

NIESTEROK B., DEHNHARDT G., & HANKE W. (2017). Hydrodynamic sensory threshold in harbour seals (Phoca vitulina) for artificial flatfish breathing currents. Journal of Experimental Biology 220:2364-2371

GEURTEN B.R.H, NIESTEROK B., DEHNHARDT G. & HANKE F.D. (2017). Saccadic movement strategy in an aquatic species - the harbor seal (Phoca vitulina). Journal of Experimental Biology 220:1503-1508

BUBLITZ A., WEINHOLD S.R., STROBEL S., DEHNHARDT G. & Hanke F.D. (2017). Reconsideration of serial visual reversal learning in the common octopus (Octopus vulgaris) from a methodological perspective. Frontiers in Physiology 8:54 DOI:10.3389/fphys.2017.00054

DEHNHARDT G. & HANKE F.D. (accepted). Whiskers. In: Thewissen, H. (Ed.) Encyclopedia of Marine Mammals.

NIESTEROK B., KRÜGER Y., WIESKOTTEN S., DEHNHARDT G. & HANKE W. (2017). Hydrodynamic detection and localization of artificial flatfish breathing currents by harbour seals (Phoca vitulina). Journal of Experimental Biology 220:174-185

HELMER D., GEURTEN B.R.H., DEHNHARDT G.& HANKE F.D. (2017). Saccadic movement strategy in common cuttlefish (Sepia officinalis). Frontiers in Physiology 7:660 DOI:10.3389/fphys.2016.00660

2016

BYL J., MIERSCH L. & DEHNHARDT G. (2016). Underwater sound localization of pure tones in the median plane by harbor seals (Phoca vitulina). Journal of the Acoustical Society of America 140:4490-4495 DOI:10.1121/1.4972531

HEINRICH T., DEHNHARDT G. & HANKE F.D. (2016). Harbor seals (Phoca vitulina) are able to time precisely. Animal Cognition 19(6):1133-1142 DOI:10.1007/s10071-016-1020-3

RAVIGNANI A., FITCH W.T., HANKE F.D., HEINRICH T., HURGUTISCH B., KOTZ S.A., SCHARFF C., STOEGER A.S. & DE BOER B. (2016). What pinnipeds have to say about human music, speech and evolution of rhythm. Frontiers in Neuroscience DOI:10.3389/fnins.2016.00274

HANKE W. & DEHNHARDT G. (2016). Vibrissal touch in seals. In: Prescott, Ahizar, Izhikevich (Eds.) Scholarpedia of Touch, Atlantis Press, pp 125-139

NUMBERGER D., HERLEMANN D., JÜRGENS K., DEHNHARDT G., & SCHULZ-VOGT H. (accepted). Comparative analysis of the fecal bacterial community of five harbor seals (Phoca vitulina). MicrobiologyOpen

MORRISON H.E., BREDE M., DEHNHARDT G. & LEDER A (accepted). Simulating the flow and trail following capabilities of harbour seal vibrissae with the Lattice Boltzman Method. Journal of Computational Sciences

WOHLERT D., KRÜGER J., WITT M., SCHMITT O., WREE A., CZECH-DAMAL N., SIEBERT U., FOLKOW L. & HANKE F.D. (2016). Comparative morphometric analysis of three cranial nerves in two phocid seals: the hooded seal (Cystophora cristata) and the harbor seal (Phoca vitulina). The Anatomical Record 299(3):370-378

HANKE F.D. & Dehnhardt G. (2016). Visual and hydrodynamic flow perception (Chapter 13). In: Castellini, Melish (Eds.) Marine mammal physiology - requisites for ocean living. Taylor & Francis, Boca Raton, pp 269-292

2015

KILIAN M., DEHNHARDT G. & HANKE F.D. (2015). How harbor seals (Phoca vitulina) pursue schooling herring. Mammalian Biology 80(5):385-389 DOI:10.1016/j.mambio.2015.04.004

HANKE W. & DEHNHARDT G. (2015). Vibrissal touch in seals. Peer-reviewed open access encyclopedia Scholarpedia. http://www.scholarpedia.org/article/Vibrissal_touch_in_seals

ERDSACK N., DEHNHARDT G, WREE W., WITT A., SIEBERT U. & HANKE W. (2015). Unique fur and skin structure of harbour seals (Phoca vitulina) – thermal insulation, drag reduction, or both? Journal of the Royal Society Interface 12(104):20141206 DOI:10.1098/rsif.2014.1206

SCHOLTYSSEK C., KELBER A. & DEHNHARDT G. (2015). Why do seals have cones? Behavioural evidence for colourblindness in harbour seals. Animal cognition 18(2):551-560 DOI:10.1007/s10071-014-0823-3

DOHMEN M., PIETRZYK U., WIESE H., RECKFORT J., HANKE F.D., ZILLES K., AMUNTS K. & AXER M. (2015). Understanding fiber mixture by simulation in 3D Polarized Light Imaging. NeuroImage 111:464-475 DOI:10.1016/j.neuroimage.2015.02.020

2014

WEIFFEN M., MAUCK B., DEHNHARDT G. & HANKE F.D. (2014). Sensitivity of a harbor seal (Phoca vitulina) to coherent visual motion in random dot displays. SpringerPlus 3:688 DOI:10.1186/2193-1801-3-688

GLÄSER N., MAUCK B., KANDIL F.I., LAPPE M., DEHNHARDT G. & HANKE F.D. (2014). Harbour seals (Phoca vitulina) can perceive optic flow underwater. PLoS ONE 9(7):e103555 DOI:10.1371/journal.pone.0103555

DEHNHARDT G., HANKE W., WIESKOTTEN S., KRÜGER Y. & MIERSCH L. (2014). Hydrodynamic perception in seals and sea lions. In: Flow sensing in air and water, H. Bleckmann (editor), Springer, Berlin Heidelberg, pp 147-167

MARSHALL C.D., WIESKOTTEN S., HANKE W., HANKE F.D., MARSH A., KOT B. & DEHNHARDT G. (2014). Feeding kinematics, suction, and hydraulic jetting performance in harbor seals (Phoca vitulina). PLoS ONE 9(1): e86710 DOI:10.1371/journal.pone.0086710

ERDSACK N., DEHNHARDT G. & HANKE W. (2014). Thermoregulation of the vibrissal system in harbor seals (Phoca vitulina) and Cape fur seals (Arctocephalus pusillus pusillus). Journal of Experimental Marine Biology and Ecology 452: 111-118. DOI:10.1016/j.jembe.2013.12.011

2013

ERDSACK N., DEHNHARDT G. & HANKE W. (2013). Coping with heat: Function of the natal coat of Cape fur seal  (Arctocephalus pusillus pusillus) pups in maintaining core body temperature. PLoS ONE 8(8): e72081. DOI:10.1371/journal.pone.0072081

SCHOLTYSSEK C., KELBER A., HANKE F. D. & DEHNHARDT G. (2013). Same different concept formation in a harbor seal (Phoca vitulina). Animal Cognition DOI:10.1007/s10071-013-0624-0

SCHOLTYSSEK C. & DEHNHARDT G. (2013). Brightness discrimination in a South African fur seal (Arctocephallus pusillus). Vision Research 84: 26-32

HANKE W., MARSHALL C. & DEHNHARDT G. (2013). Hydrodynamic perception in true seals (Phocidae) and eared seals (Otariidae), Journal of Comparative Physiology A 199: 421-440

GRANT R., WIESKOTTEN S., PRESCOTT T. & DEHNHARDT G. (2013). Haptic performance of the pinniped vibrissal system. Journal of Comparative Physiology 199: 521-533

CZECH-DAMAL N., MANGER P., DEHNHARDT G. & HANKE W. (2013). Electroreception in aquatic mammals. Journal of Comparative Physiology A 199: 555-563

HANKE F. D., MIERSCH L., WARRANT E., MITSCHKE F. D. & DEHNHARDT G. (2013). Are harbour seals (Phoca vitulina) able to perceive and use polarised light? Journal of Comparative Physiology A 199: 509-519

2012

NIESTEROK B. & HANKE W. (2012). Hydrodynamic patterns from fast-starts in teleost fish and their possible relevance to predator-prey interactions. Journal of Comparative Physiology A 199: 139-149

HANKE W., WIESKOTTEN S., NIESTEROK B, MIERSCH L., WITTE M., BREEDE M., LEDER A. & DEHNHARDT G. (2012). Hydrodynamic perception in pinnipeds. In: Nature-inspired fluid mechanics, C. Tropea and H. Bleckmann (editors). Springer, Berlin Heidelberg, pp 225-240

WITTE M., HANKE W., WIESKOTTEN S., MIERSCH L., BREDE M., DEHNHARDT G. & LEDER A. (2012). On the wake flow dynamics behind harbor seal vibrissae - a fluid mechanical explanation for an extraordinary capability. In: Nature-inspired fluid mechanics, C. Tropea and H. Bleckmann (editors). Springer, Berlin Heidelberg, pp 241-263

ERDSACK N., HANKE F. D., DEHNHARDT G. & HANKE W. (2012). Control and amount of heat dissipation through thermal windows in harbor seals (Phoca vitulina). Journal of Thermal Biology 37 (7): 537–544

CZECH-DAMAL N., LIEBSCHNER A., MIERSCH L., KLAUER G., HANKE F. D., MARSHALL C., DEHNHARDT G. & HANKE W. (2012). Electroreception in the Guiana dolphin (Sotalia guianensis). Proceedings of the Royal Society B - Biological Sciences 279: 663-668

2011

MIERSCH L., HANKE W., WIESKOTTEN S., HANKE F. D., OEFFNER J., LEDER A., BREDE M., WITTE M. & DEHNHARDT G. (2011). Flow sensing by pinniped whiskers. Philosophical Transactions of the Royal Society B 366: 3077-3084

WIESKOTTEN S., MAUCK B., MIERSCH L., DEHNHARDT G. & HANKE W. (2011). Hydrodynamic discrimination of wakes caused by objects of different size or shape in a harbour seal (Phoca vitulina). The Journal of Experimental Biology 214: 1922-1930

HANKE F. D., SCHOLTYSSEK C., HANKE W. & DEHNHARDT G. (2011). Contrast sensitivity in a harbor seal (Phoca vitulina). Journal of Comparative Physiology A 197(2): 203-210

GLÄSER N., OTTER C., WIESKOTTEN S., DEHNHARDT G. & HANKE W. (2011). Hydrodynamic trail following in a California sea lion (Zalophus californianus). Journal of Comparative Physiology A 197:141-151

2010

WIESKOTTEN S., DEHNHARDT G., MAUCK B., MIERSCH L. & HANKE W. (2010). The impact of glide phases on the trackability of hydrodynamic trails in harbour seals (Phoca vitulina). The Journal of Experimental Biology 213:3734-3740

HANKE W., WITTE M., MIERSCH L., BREDE M., OEFFNER J., MICHAEL M., HANKE F. D., LEDER A. & DEHNHARDT G. (2010). Harbor seal vibrissae morphology suppresses vortex-induced vibrations. The Journal of Experimental Biology 213: 2665-2672

WIESKOTTEN S., DEHNHARDT G., MAUCK B., MIERSCH L. & HANKE W. (2010). Hydrodynamic determination of the moving direction of an artificial fin by a harbour seal (Phoca vitulina). The Journal of Experimental Biology 213: 2194-2200

2009

HANKE F. D., HANKE W., SCHOLTYSSEK C. & DEHNHARDT G. (2009). Basic mechanisms in pinniped vision. Experimental Brain Research 199(3): 299-311

HANKE F. D., PEICHL L. & DEHNHARDT G. (2009). Retinal ganglion cell topography in harbor seals (Phoca vitulina). Brain Behavior and Evolution 74: 102-109

HANKE F. D. & DEHNHARDT G. (2009). Aerial visual acuity in harbor seals (Phoca vitulina) as a function of ambient luminance. The Journal of Comparative Physiology A 195(7): 643-650

2008

CZECH N. U., KLAUER G., DEHNHARDT G. & SIEMERS B. (2008). Fringe for foraging? Histology of the bristle-like hairs on the tail membrane of the gleaning bats, Myotis natteri. Acta Chiropterologica 10(2): 303-311

HANKE W., BOYLE K. & TRICAS T. C. (2008). Flow measurements during multimodal communication in Hawai'ian Butterfly Fish. Proceedings of the German Association for Laser Anemometry, ISBN 978-3-9805613-4-1, pp 51.3-51.6

MAUCK B., GLÄSER N., SCHLOSSER W. & DEHNHARDT G. (2008). Harbour seals (Phoca vitulina) can steer by the stars. Animal Cognition 11: 715-718

HANKE F. D., KRÖGER R. H. H., SIEBERT U. & DEHNHARDT G. (2008). Multifocal lenses in a monochromat: the harbour seal. The Journal of Experimental Biology 211: 3315-3322

SCHOLTYSSEK, C., KELBER, A. & DEHNHARDT, G. (2008). Brightness discrimination in the harbor seal (Phoca vitulina) Vision Research 48: 96-103

HANKE F. D., HANKE W., HOFFMANN K.-P. & DEHNHARDT G. (2008). Optokinetic nystagmus in harbor seals (Phoca vitulina). Vision Research 48: 304-315

DEHNHARDT G. & MAUCK B. (2008). Mechanoreception in secondarily aquatic vertebrates. In: Senses on the Threshold: Form and Function of the Sense Organs in Secondarily Aquatic Tetrapods, J. G. M. Thewissen and S. Nummela (editors). University of California Press, Berkeley, pp 295-314

DEHNHARDT G. & MAUCK B. (2008). Mechanoreception: Physics and Physiology. In: Senses on the Threshold: Form and Function of the Sense Organs in Secondarily Aquatic Tetrapods, J. G. M. Thewissen and S. Nummela (editors). University of California Press, Berkeley, pp 287-293

2007

BODSON A., MIERSCH L. & DEHNHARDT G. (2007). Underwater localization of pure tones by harbor seals (Phoca vitulina). Journal of the Acoustical Society of America 122 (4): 2263-2269

SCHULTE-PELKUM N., WIESKOTTEN, S., HANKE W., DEHNHARDT G., & MAUCK B. (2007). Tracking of biogenic hydrodynamic trails in harbour seals (Phoca vitulina). The Journal of Experimental Biology 210: 781-787

MAUCK B. & DEHNHARDT G. (2007). Spatial multiple-choice matching in a harbour seal (Phoca vitulina): differential encoding of landscape versus local feature information. Animal Cognition 10(4): 397-405

2006

SIEBERT U., BENKE H., DEHNHARDT G., GILLES A., HANKE W., HONNEF C. G., LUCKE K., LUDWIG S., SCHEIDAT M. & VERFUß U. K. (2006). Harbour Porpoises (Phocoena phocoena): Investigation of Density, Distribution Patterns, Habitat Use and Acoustics in the German North and Baltic Seas. In: J. Köller, J. Köppel & W. Peters (Hrsg.): Offshore Wind Energy - Research on Environmental Impacts. Springer, Berlin, Heidelberg, New York, pp 37-64

HILLE P., DEHNHARDT G. & MAUCK B. (2006). An analysis of visual oddity concept learning in a California sea lion (Zalophus californianus). Learning & Behavior 34(2): 144-153

BODSON A., MIERSCH L., MAUCK B. & DEHNHARDT G. (2006). Underwater auditory localization by a swimming harbor seal (Phoca vitulina). Journal of the Acoustical Society of America 120(3): 1550-1557

HANKE W., RÖMER R. & DEHNHARDT G. (2006). Visual fields and eye movements in a harbor seal (Phoca vitulina). Vision Research 46: 2804-2814

KOWALEWSKY S., DAMBACH M., MAUCK B. & DEHNHARDT G. (2006). High olfactory sensitivity for dimethyl sulphide in harbour seals. Biology Letters 2: 106-109

WEIFFEN M., MÖLLER B., MAUCK B. & DEHNHARDT G. (2006). Effect of water turbidity on the visual acuity of Harbour seals (Phoca vitulina). Vision Research 46: 1777-1783

HANKE F. D., DEHNHARDT G., SCHAEFFEL F. & HANKE W. (2006). Corneal topography, refractive state, and accommodation in harbor seals (Phoca vitulina). Vision Research 46: 837-847

2005

MAUCK B. & DEHNHARDT G. (2005). Identity concept formation during visual multiple-choice matching in a harbor seal (Phoca vitulina). Learning & Behavior 33: 428-436

MAUCK B., BROWN D., SCHLOSSER W. & DEHNHARDT G. (2005). How harbour seals see the night sky. Marine Mammal Science 21: 646-656

KÖHLER C., HOFFMANN K.-P., DEHNHARDT G. & MAUCK B. (2005). Mental rotation and rotational invariance in the Rhesus monkey (Macaca mulatta). Brain Behavior & Evolution 66: 158-166

BURMANN B., MAUCK B. & DEHNHARDT G. (2005). Visual Information Processing in the Lion-TailedMacaque (Macaca silenus): Mental Rotation or Rotational Invariance? Brain, Behaviour & Evolution 65: 168-176

LIEBSCHNER A., HANKE W., SAUERLAND M., MIERSCH L. & DEHNHARDT G. (2005). Sensitivity of a tucuxi (Sotalia fluviatilis guianensis) to airborne sound. Journal of the Acoustical Society of America 117: 436- 441

2003

YAMAN S., VON FERSEN L., DEHNHARDT G. & GÜNTÜRKÜN O. (2003). Visual lateralization in the bottlenose dolphin (Tursiops truncatus): Evidence for a population asymmetry. Behavioural Brain Research 142: 109-114

MAUCK B., BILGMANN K., JONES D. D., EYSEL U. & DEHNHARDT G. (2003). Thermal windows on the trunk of hauled out seals: hot spots for thermoregulatory evaporation? Journal of Experimental Biology 206: 1727-1738

STICH K. P., MAUCK B. & DEHNHARDT G. (2003). Mental Rotation of Perspective Stimuli in a California Sea Lion (Zalophus californianus). Brain, Behavior & Evolution 61: 102-112

DEHNHARDT G., MAUCK B. & HYVÄRINEN H. (2003). The functional significance of the vibrissal system of marine mammals. In: The Merkel Cell: Structure - development - function - and cancerogenesis. K.I. Baumann, I. Moll and Z. Halata. (editors), Springer, pp 127-135

BLECKMANN H., MOGDANS J. & DEHNHARDT G. (2003). Processing of dipole and more complex hydrodynamic stimuli under still- and running water conditions. In: Sensory processing in the aquatic environment. C. S. P. Shoun and N. J. Marshall, Springer, pp 108-121

2001

DEHNHARDT G. (2001). Sensory systems. In: Marine Mammal Biology: An Evolutionary Approach. R. Hoelzel (editor), Blackwell Science, Oxford, pp 116-141

DEHNHARDT G., HANKE W., BLECKMANN H. & MAUCK B. (2001). Hydrodynamic trail-following in Harbour seals (Phoca vitulina). Science 293: 102-104

BLECKMANN H., MOGDANS J. & DEHNHARDT G. (2001). Lateral line research: The importance to use natural stimuli in studies of sensory systems. In: Ecology of Sensing. F. Barth and A. Schmidt (editors), Springer, Berlin, pp 149-167

HILLE P., BECKER-CARUS CH., DÜCKER G. & DEHNHARDT G. (2001). Haptic discrimination of size and texture in squirrel monkeys (Saimiri sciureus). Somatosensory & Motor Research 18: 50-61

2000

STICKEN J. & DEHNHARDT G. (2000). Salinity discrimination in harbour seals: a sensory basis for spatial orientation in the marine environment? Naturwissenschaften 87: 499-502

MAUCK B., EYSEL U. & DEHNHARDT G. (2000). Selective heating of vibrissal follicles in seals (Phoca vitulina) and dolphins (Sotalia fluviatilis guianensis). Journal of Experimental Biology 203: 2125-2131

1999

DEHNHARDT G., HYVÄRINEN H. & PALVIAINEN A. (1999). Structure and innervation of the vibrissal follicle-sinus complex in the Australian water rat, Hydromys chrysogaster. Journal of Comparative Neurology 411: 550-562

BACHTELER D. & DEHNHARDT G. (1999). Active touch performance in the Antillean manatee: evidence for a functional differentiation of facial tactile hairs. Zoology 102: 61-69

1998

DEHNHARDT G., MAUCK B. & BLECKMANN H. (1998). Seal whiskers detect water movements. Nature 394: 235-236 DOI:10.1038/28303

DEHNHARDT G., MAUCK B. & HYVÄRINEN H. (1998). Ambient temperature does not affect the tactile sensitivity of mystacial vibrissae in Harbour seals. Journal of Experimental Biology 201: 3023-3029

SAUERLAND M. & DEHNHARDT G. (1998). Underwater audiogram of a Tucuxi (Sotalia fluviatilis guianensis). Journal of the Acoustical Society of America 103: 1199-1204

1997

DEHNHARDT G., SINDER M. & SACHSER N. (1997). Tactual discrimination of size by means of mystacial vibrissae in Harbour seals: in air versus underwater. Zeitschrift für Säugetierkunde 62 (Suppl. II): 40-43

DEHNHARDT G., FRIESE C. & SACHSER N. (1997). Sensitivity of the trunk of Asian elephants for texture differences of actively touched objects. Zeitschrift für Säugetierkunde 62 (Suppl. II): 37-39

MAUCK B. & DEHNHARDT G. (1997). Mental Rotation in a California sea lion (Zalophus californianus). Journal of Experimental Biology 200: 1309-1316

1996

DEHNHARDT G. & DÜCKER G. (1996). Tactual discrimination of size and shape by a California sea lion (Zalophus californianus). Animal Learning & Behavior 24: 366-374

1995

DEHNHARDT G. & KAMINSKI A. (1995). Sensitivity of the mystacial vibrissae of Harbour seals (Phoca vitulina) for size differences of actively touched objects. Journal of Experimental Biology 198: 2317-2323

1994

DEHNHARDT G. (1994). Tactile size discrimination by a California sea lion (Zalophus californianus) using its mystacial vibrissae. Journal of Comparative Physiology A 175: 791-800

JANIK V. M., DEHNHARDT G. & TODT D. (1994). Signature whistle variations in the bottlenosed dolphin, Tursiops truncatus. Behavioral Ecology and Sociobiology 35: 243-248

1990

DEHNHARDT G. (1990). Preliminary results from psychophysical studies on the tactile sensitivity in marine mammals. In: Sensory Abilities of Cetaceans. J. A. Thomas and R. A. Kastelein (editors), Plenum Press, New York, pp 435-446