Podcast Fitness and the cortical response to autonomic challenge

Listen as Katelyn Wood talks about some of the surprising findings in a study exploring the relationship between cardiorespiratory fitness and forebrain circuitry associated with cardiovascular control.

Associated article:

High cardiorespiratory fitness in early to late middle-age preserves the cortical circuitry associated with brain-heart integration during volitional exercise
by Katelyn N. Wood, Torri A. Luchyshyn, J. Kevin Shoemaker; published online April 1, 2017 DOI: 10.1152/jn.00592.2016


Podcast Voltage-gated sodium channel expression in muscle spindles

Listen as Tim Cope and Dario Carrasco talk about their work looking at the distribution of voltage-gated sodium channels in primary sensory endings of mammalian muscle spindles.

Associated article:

Distribution of TTX-sensitive voltage-gated sodium channels in primary sensory endings of mammalian muscle spindles
by Dario I. Carrasco, Jacob A. Vincent, Timothy C. Cope; published online January 25, 2017 DOI: 10.1152/jn.00889.2016


Podcast Can what we hear affect our sense of touch?

Listen as Jeff Yau discusses his work investigating auditory adaptation and tactile frequency perception.

Associated article:

Auditory adaptation improves tactile frequency perception
by Lexi E. Crommett, Alexis Pérez-Bellido, Jeffrey M. Yau; published online January 11, 2017 DOI: 10.1152/jn.00783.2016


Podcast Thermoregulation and Thermal Sensitivity in Humans

Listen as Davide Filingeri talks about his research into understanding how the human body interacts with our surrounding thermal environments, both physiologically (e.g. body temperature regulation) and perceptually (e.g. perception of temperature, wetness, touch and pain), and on how neurological diseases (e.g. Multiple Sclerosis) alter these physiological functions.

Associated article:

Characteristics of the local cutaneous sensory thermo-neutral zone
by Davide Filingeri, Hui Zhang, Edward A. Arens; published online February 1, 2017 DOI: 10.1152/jn.00845.2016


Podcast Caveolin-1 Regulates Gene Associated with Schizophrenia

Listen as author Brian Head talks about the role of caveolin-1, a cholesterol binding and scaffolding protein that regulates neuronal signal transduction and promotes neuroplasticity, in mediating disrupted-in-schizophrenia-1 expression in neurons in vitro and the hippocampus in vivo.

Associated article:

Caveolin-1 regulation of Disrupted-in-Schizophrenia-1 as a potential therapeutic target for Schizophrenia
by Adam Kassan, Junji Egawa, Zheng Zhang, Angels Almenar-Queralt, Quynh My Nguyen, Yasaman Lajevardi, Kaitlyn Kim, Edmund Posadas, Dilip V. Jeste, David M. Roth, Piyush M. Patel, Hemal H. Patel, Brian P. Head; published online November 2, 2016 DOI: 10.1152/jn.00481.2016


Podcast Aging Effects of Neural Processing of Speech in Noise

Listen as authors Alessandro Presacco, Jonathan Simon, and Samira Anderson talk about their investigation into how aging affects midbrain and cortical encoding of speech when presented in quiet and in noise.

Associated article:

Evidence of degraded representation of speech in noise, in the aging midbrain and cortex
by Alessandro Presacco, Jonathan Z. Simon, Samira Anderson; published online August 17, 2016 DOI: 10.1152/jn.00372.2016


Podcast The Neural Mechanisms of Decision Making

Listen as Associate Editors Michele A. Basso (University of California, Los Angeles) and Dan M. Merfeld (Massachusetts Eye & Ear Infirmary, Harvard Medical School) summarize their contributions to our collection of articles on the neural mechanisms related to decision making and discuss the breadth and significance of the topics covered in the collection.

Associated Collection:

Decision Making: Neural Mechanisms


Podcast Development of Inhibitory Transmission in Central Circuits

Listen as authors Caitlin Alannah McMenamin and Kirsteen Browning, both from Penn State College of Medicine, talk about their efforts to determine the critical timepoints and contributions of GABAergic versus glycinergic transmission to neurons of the dorsal motor nucleus of the vagus in the rat.

Associated article:

Developmental regulation of inhibitory synaptic currents in the dorsal motor nucleus of the vagus in the rat
by Caitlin Alannah McMenamin, Laura Anselmi, R. Alberto Travagli, Kirsteen N. Browning; published online July 20, 2016 DOI: 10.1152/jn.00249.2016


Podcast What's New at the Journal of Neurophysiology

Listen as Editor-in-Chief, Bill Yates, discusses some of the newest initiatives of the Journal and highlights some of the more popular topics from past newsletters.

Read the July 2016 newsletter


Podcast Integration of Transplanted Interneurons

Listen as author MacKenzie Howard discusses the background and intriguing aspects of this study on how transplanted interneurons integrate into the neural circuitry of the recipient brain as well as the translational goals of this work.

Associated article:

Synaptic integration of transplanted interneuron progenitor cells into native cortical networks
by MacKenzie Allen Howard, Scott C Baraban; published online May 25, 2016 DOI: 10.1152/jn.00321.2016


Podcast Another Look at the Neurophysiology of Tactile Perception

"This special issue is a testament to the vibrancy of the field that Steve played a major role in shaping."

Listen as Sliman Bensmaia (University of Chicago) recollects working with Steve Hsiao, summarizes his contribution to our collection of articles on the neurophysiology of tactile perception, and discusses the breadth of the somatosensory research represented in the collection.

Associated Collection:

The Neurophysiology of Tactile Perception: A Tribute to Steven Hsiao


Podcast Divergence of Retinal Information to the Brain

Listen as authors Erika Ellis and Gabe Murphy discuss strategies to retrogradely label cells in an unbiased, robust, and specific way and several functional differences in the populations of retinal ganglion cells labeled from the two major retinorecipient brains areas.

Associated article:

Shared and distinct retinal input to the mouse superior colliculus and dorsal lateral geniculate nucleus
by Erika M. Ellis, Gregory Gauvain, Benjamin Sivyer, Gabe J Murphy; published online May 11, 2016 DOI: 10.1152/jn.00227.2016


Podcast Effects of Aging on Amplitude-Modulated Encoding in Primary Auditory Cortex

Listen as lead author Jacqueline Overton talks about age-related changes in the spiking activity of neurons in primary auditory cortex of aged macaque monkeys.

Associated article:

Effects of aging on the response of single neurons to amplitude-modulated noise in primary auditory cortex of rhesus macaque
by Jacqueline A. Overton, Gregg H. Recanzone; published June 3, 2016 DOI: 10.1152/jn.01098.2015


Podcast Neurophysiology of Tactile Perception

Listen as Jeff Yau (Baylor College of Medicine) describes his experience working with Steve Hsiao at Johns Hopkins University, summarizes his contribution to our collection of articles on the neurophysiology of tactile perception, and discusses the value of this collection for those involved in somatosensory research.

Associated Collection:

The Neurophysiology of Tactile Perception: A Tribute to Steven Hsiao


Podcast Visual Ecology and Potassium Conductances of Insect Photoreceptors

Listen as Roman Frolov from the University of Oulu discusses the visual ecology and potassium conductances of photoreceptors in different species of insects characterized by highly variable lifestyles.

Associated article:

Visual ecology and potassium conductances of insect photoreceptors
by Roman Frolov, Esa-Ville Immonen, Matti Weckström; published April 1, 2016 DOI: 10.1152/jn.00795.2015


Podcast Local and Global Contributions to Hemodynamic Activity in Mouse Cortex

Listen as the authors discuss their use of optical imaging in visual cortex of awake mice to characterize the vascular fluctuations that accompany hemodynamic activity in the brain.

Associated article:

Local and global contributions to hemodynamic activity in mouse cortex
by M. Andrea Pisauro, Andrea Benucci, Matteo Carandini; published online March 16, 2016 DOI: 10.1152/jn.00125.2016


Podcast DREADD Activation of Subfornical Organ Neurons

Listen as the authors discuss their investigation into whether selective activation of subfornical organ neurons using virally-mediated expression of Designer Receptors Exclusively Activated by Designer Drugs, or DREADDs, stimulates thirst and salt appetite.

Associated article:

DREADD-induced activation of subfornical organ neurons stimulates thirst and salt appetite
by Haley L. Nation, Marvin Nicoleau, Brian J. Kinsman, Kirsteen N. Browning, Sean D. Stocker; published online March 30, 2016 DOI: 10.1152/jn.00149.2016


Podcast Neurobiology of Deep Brain Stimulation

Listen to Editor-in-Chief Bill Yates and neurosurgeon Dr. Mark Richardson (University of Pittsburgh) discuss deep brain stimulation for some valuable insight into this treatment methodology and our collection of articles on the neurobiology of deep brain stimulation. (Image source: DOI 10.1152/jn.00275.2015)

Associated Collection:

Neurobiology of Deep Brain Stimulation


Podcast Manifestation of Acoustic Trauma in the Auditory Cortex

Listen as the authors discuss their study using single-unit electrophysiological recordings and two-photon calcium imaging in anaesthetized mice to evaluate the effects of acute acoustic trauma on the response properties of neurons in the core auditory cortex.

Associated article:

Immediate manifestation of acoustic trauma in the auditory cortex is layer specific and cell type dependent
by Ondřej Novák, Ondřej Zelenka, Tomáš Hromádka, Josef Syka; published April 8, 2016 DOI: 10.1152/jn.00810.2015


Podcast Serotonergic Fluctuations in the Male Auditory Midbrain during Courtship

Listen as the authors discuss their recent investigation into whether serotonergic fluctuations in sensory regions of the brain reflect variation within a context like opposite-sex interaction.

Associated article:

Socially induced serotonergic fluctuations in the male auditory midbrain correlate with female behavior during courtship
by Sarah M. Keesom, Laura M. Hurley; published April 5, 2016 DOI: 10.1152/jn.00742.2015


Podcast Ipsilateral Motor Evoked Potentials and Intracortical Inhibition

Listen as the authors discuss their recent look at whether ipsilateral motor evoked potentials (iMEPs) in the biceps brachii would be suppressed by sub-threshold conditioning, thereby demonstrating short-interval intracortical inhibition of iMEPs.

Associated article:

Are ipsilateral motor evoked potentials subject to intracortical inhibition?
by Alana B. McCambridge, James W. Stinear, Winston D. Byblow; published January 20, 2016 DOI: 10.1152/jn.01139.2015.


Podcast Oculomotor Selection Underlies Feature Retention

Listen as the authors discuss their recent work on dissociating in humans the contribution of task relevance, oculomotor selection and oculomotor execution to the retention of feature representations in working memory.

Associated article:

Oculomotor selection underlies feature retention in visual working memory
by Nina Maria Hanning, Donatas Jonikaitis, Heiner Deubel, Martin Szinte; published November 18, 2015 DOI: 10.1152/jn.00927.2015.