2017
Molecular basis of tactile specialization in the duck bill
Schneider ER, Anderson EO, Mastrotto M, Matson JD, Schulz VP, Gallagher PG, LaMotte RH, Gracheva EO, Bagriantsev SN. Molecular basis of tactile specialization in the duck bill. Proceedings Of The National Academy Of Sciences Of The United States Of America 2017, 114: 13036-13041. PMID: 29109250, PMCID: PMC5724259, DOI: 10.1073/pnas.1708793114.Peer-Reviewed Original ResearchMeSH KeywordsAmino Acid SequenceAnimalsAvian ProteinsBeakChickensCloning, MolecularDucksEmbryo, NonmammalianGene ExpressionGenetic VectorsHEK293 CellsHumansIon ChannelsKineticsMechanoreceptorsMechanotransduction, CellularMicePatch-Clamp TechniquesRecombinant ProteinsRNA, Small InterferingSequence Homology, Amino AcidSpecies SpecificityTouchTouch PerceptionTrigeminal GanglionConceptsMolecular basisHeterologous expression systemSpecialist birdsMouse orthologPiezo2 ion channelsTactile specializationExpression systemDuck billMolecular characterizationIon channelsFeeding behaviorEdible matterPiezo2BirdsElectrophysiological characterizationSlow inactivation kineticsOrthologsVertebratesMechanoMechanotransductionKnockdownInactivation kineticsMurky watersHigh densityNeurons
2011
In vivo responses of cutaneous C-mechanosensitive neurons in mouse to punctate chemical stimuli that elicit itch and nociceptive sensations in humans
Ma C, Nie H, Gu Q, Sikand P, LaMotte RH. In vivo responses of cutaneous C-mechanosensitive neurons in mouse to punctate chemical stimuli that elicit itch and nociceptive sensations in humans. Journal Of Neurophysiology 2011, 107: 357-363. PMID: 21994268, PMCID: PMC3349700, DOI: 10.1152/jn.00801.2011.Peer-Reviewed Original ResearchConceptsNociceptive sensationsCowhage spiculesC-nociceptorsNociceptive neuronsReceptive fieldsCutaneous receptive fieldsNoxious mechanical stimuliC-fibre rangePeripheral neural mechanismsExtracellular electrophysiological recordingsAxonal conduction velocityMean discharge rateChemical itchElicit itchChemical stimuliMechanosensitive nociceptorsConduction velocityMechanosensitive neuronsHeat stimuliItchCell bodiesElectrophysiological recordingsVivo responseCapsaicinHistamine
2002
Comparison of responses to tensile and compressive stimuli in C-mechanosensitive nociceptors in rat hairy skin
Zheng Z, LaMotte R, Grigg P. Comparison of responses to tensile and compressive stimuli in C-mechanosensitive nociceptors in rat hairy skin. Somatosensory & Motor Research 2002, 19: 109-113. PMID: 12088384, DOI: 10.1080/08990220120113095.Peer-Reviewed Original Research
2000
Softness Discrimination With a Tool
LaMotte R. Softness Discrimination With a Tool. Journal Of Neurophysiology 2000, 83: 1777-1786. PMID: 10758090, DOI: 10.1152/jn.2000.83.4.1777.Peer-Reviewed Original Research
1998
Raised Object on a Planar Surface Stroked Across the Fingerpad: Responses of Cutaneous Mechanoreceptors to Shape and Orientation
Lamotte R, Friedman R, Lu C, Khalsa P, Srinivasan M. Raised Object on a Planar Surface Stroked Across the Fingerpad: Responses of Cutaneous Mechanoreceptors to Shape and Orientation. Journal Of Neurophysiology 1998, 80: 2446-2466. PMID: 9819255, DOI: 10.1152/jn.1998.80.5.2446.Peer-Reviewed Original ResearchEncoding of Shape and Orientation of Objects Indented Into the Monkey Fingerpad by Populations of Slowly and Rapidly Adapting Mechanoreceptors
Khalsa P, Friedman R, Srinivasan M, Lamotte R. Encoding of Shape and Orientation of Objects Indented Into the Monkey Fingerpad by Populations of Slowly and Rapidly Adapting Mechanoreceptors. Journal Of Neurophysiology 1998, 79: 3238-3251. PMID: 9636122, DOI: 10.1152/jn.1998.79.6.3238.Peer-Reviewed Original Research
1997
Tensile and Compressive Responses of Nociceptors in Rat Hairy Skin
Khalsa P, Lamotte R, Grigg P. Tensile and Compressive Responses of Nociceptors in Rat Hairy Skin. Journal Of Neurophysiology 1997, 78: 492-505. PMID: 9242296, DOI: 10.1152/jn.1997.78.1.492.Peer-Reviewed Original ResearchConceptsCompressive stressCompressive loadingTensile stressApplied loadFlat indenter tipCompressive responseIndenter tipCompressive loadTensile loadSurface displacementsTip excursionCompressive strainForce controlTensile strainTip geometrySoft substratesLoadingLoadTensile stimulusHard substratesSubstrateStressIndentationCompressionUniform state
1996
Neural encoding of shape: responses of cutaneous mechanoreceptors to a wavy surface stroked across the monkey fingerpad
LaMotte R, Srinivasan M. Neural encoding of shape: responses of cutaneous mechanoreceptors to a wavy surface stroked across the monkey fingerpad. Journal Of Neurophysiology 1996, 76: 3787-3797. PMID: 8985876, DOI: 10.1152/jn.1996.76.6.3787.Peer-Reviewed Original Research
1994
Cutaneous neural codes for shape
LaMotte R, Srinivasan M, Lu C, Klusch-Petersen A. Cutaneous neural codes for shape. Canadian Journal Of Physiology And Pharmacology 1994, 72: 498-505. PMID: 7954079, DOI: 10.1139/y94-073.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsFingersForm PerceptionMacaca fascicularisMechanoreceptorsNeurons, AfferentSkinSpatial BehaviorTouch
1993
Responses of cutaneous mechanoreceptors to the shape of objects applied to the primate fingerpad
LaMotte R, Srinivasan M. Responses of cutaneous mechanoreceptors to the shape of objects applied to the primate fingerpad. Acta Psychologica 1993, 84: 41-51. PMID: 8237455, DOI: 10.1016/0001-6918(93)90071-x.Peer-Reviewed Original ResearchCutaneous Mechanoreceptors of the Hand: Experimental Studies and Their Implications for Clinical Testing of Tactile Sensation
Greenspan J, LaMotte R. Cutaneous Mechanoreceptors of the Hand: Experimental Studies and Their Implications for Clinical Testing of Tactile Sensation. Journal Of Hand Therapy 1993, 6: 75-82. PMID: 8343885, DOI: 10.1016/s0894-1130(12)80287-0.Peer-Reviewed Original ResearchMeSH KeywordsForm PerceptionHandHumansMechanoreceptorsPhysical StimulationSensory ThresholdsSkinTouch
1992
Central changes in processing of mechanoreceptive input in capsaicin‐induced secondary hyperalgesia in humans.
Torebjörk H, Lundberg L, LaMotte R. Central changes in processing of mechanoreceptive input in capsaicin‐induced secondary hyperalgesia in humans. The Journal Of Physiology 1992, 448: 765-780. PMID: 1593489, PMCID: PMC1176227, DOI: 10.1113/jphysiol.1992.sp019069.Peer-Reviewed Original ResearchConceptsMechanical hyperalgesiaCapsaicin injectionIntraneural microstimulationMechanoreceptive inputCapsaicin-induced secondary hyperalgesiaCutaneous innervation territoryArea of hyperalgesiaHealthy human subjectsSecondary hyperalgesiaAlgesic substancesLidocaine anesthesiaInnervation territoryIntense painIntradermal injectionUnmyelinated fibersHyperalgesiaMyelinated fibersC-fibersCentral changesPainAfferent signalsImpulse conductionSuprathreshold stimulationSkin areasTactile sensation
1989
Sensitization of cat dorsal horn neurons to innocuous mechanical stimulation after intradermal injection of capsaicin
Simone D, Baumann T, Collins J, LaMotte R. Sensitization of cat dorsal horn neurons to innocuous mechanical stimulation after intradermal injection of capsaicin. Brain Research 1989, 486: 185-189. PMID: 2720428, DOI: 10.1016/0006-8993(89)91293-6.Peer-Reviewed Original ResearchMeSH KeywordsAction PotentialsAnimalsCapsaicinCatsFemaleMaleMechanoreceptorsPhysical StimulationSensory ThresholdsSpinal Cord
1986
Tactile detection of a dot on a smooth surface: peripheral neural events
LaMotte R, Whitehouse J. Tactile detection of a dot on a smooth surface: peripheral neural events. Journal Of Neurophysiology 1986, 56: 1109-1128. PMID: 3097273, DOI: 10.1152/jn.1986.56.4.1109.Peer-Reviewed Original ResearchMeSH KeywordsAdaptation, PhysiologicalAnimalsEvoked PotentialsFingersHaplorhiniHumansMechanoreceptorsPsychophysicsSensory ThresholdsSkinTouchConceptsNumber of impulsesVon Frey filamentsPeripheral nerve fibersAnesthetized macaque monkeysReceptive fieldsFiber recordingsNerve fibersMacaque monkeysAction potentialsCertain stimulus conditionsNerve impulsesMagnitude of sensationTactile detectionSensory magnitudeStimulus conditionsResponse of RACapacity of humansSensory detectionNeural eventsMechanical eventsMonkeysSame stimuliSkinSensationRA
1983
Tactile Detection Thresholds for a Single Asperity on an Otherwise Smooth Surface
Johansson R, Lamotte R. Tactile Detection Thresholds for a Single Asperity on an Otherwise Smooth Surface. Somatosensory & Motor Research 1983, 1: 21-31. PMID: 6679912, DOI: 10.3109/07367228309144538.Peer-Reviewed Original Research
1982
Response properties of high-threshold cutaneous cold receptors in the primate
LaMotte R, Thalhammer J. Response properties of high-threshold cutaneous cold receptors in the primate. Brain Research 1982, 244: 279-287. PMID: 7116176, DOI: 10.1016/0006-8993(82)90086-5.Peer-Reviewed Original Research