Browse Items · NEOMED Bibliography Database

Mechanisms of spectral and temporal integration in the mustached bat inferior colliculus.

This review describes mechanisms and circuitry underlying combination-sensitive response properties in the auditory brainstem and midbrain. Combination-sensitive neurons, performing a type of auditory spectro-temporal integration, respond to…

Tags: 2012, biosonar, College of Anatomy & Neurobiology, combination sensitivity, combination-sensitive, Department of Anatomy & Neurobiology, Echolocation, facilitation, Frontiers in neural circuits, glycinergic, lateral lemniscus, medial nucleus of trapezoid body, Nataraj Kiran, NEOMED College of Medicine, Sanchez Jason Tait, Wenstrup Jeffrey James

Contextual Modulation of Vocal Behavior in Mouse: Newly Identified 12 kHz "Mid-Frequency" Vocalization Emitted during Restraint.

While several studies have investigated mouse ultrasonic vocalizations (USVs) emitted by isolated pups or by males in mating contexts, studies of behavioral contexts other than mating and vocalization categories other than USVs have been limited. By…

Tags: 2016, Bhattal Jyoti, College of Anatomy & Neurobiology, context, Department of Anatomy & Neurobiology, Frontiers in behavioral neuroscience, Grimsley Calum A, Grimsley Jasmine M S, isolation, Jasnow Aaron, Latsko Maeson, mouse, NEOMED College of Medicine, Restraint, Sheth Saloni, Stress, Vallabh Neil, Vocalization, Wenstrup Jeffrey J

Automated classification of mouse pup isolation syllables: from cluster analysis to an Excel-based "mouse pup syllable classification calculator".

Mouse pups vocalize at high rates when they are cold or isolated from the nest. The proportions of each syllable type produced carry information about disease state and are being used as behavioral markers for the internal state of animals. Manual…

Tags: 2012, Cluster Analysis, College of Anatomy & Neurobiology, communication call, Department of Anatomy & Neurobiology, Frontiers in behavioral neuroscience, Gadziola Marie A, Grimsley Jasmine M S, isolation calls, mouse pup calls, mouse song, NEOMED College of Medicine, Vocalization, Wenstrup Jeffrey J

Glycinergic "inhibition" mediates selective excitatory responses to combinations of sounds.

In the mustached bat's inferior colliculus (IC), combination-sensitive neurons display time-sensitive facilitatory interactions between inputs tuned to distinct spectral elements in sonar or social vocalizations. Here we compare roles of ionotropic…

Tags: *Sound, 2008, Acoustic Stimulation/methods, Action Potentials/drug effects/physiology, Animals, Auditory Pathways/*physiology, Chiroptera/physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Dose-Response Relationship, Drug Interactions, Excitatory Amino Acid Antagonists/pharmacology, GABA Agents/pharmacology, GABA/physiology, Gans Donald, Glycine Agents/pharmacology, Glycine/*physiology, Inferior Colliculi/cytology/drug effects/*physiology, Iontophoresis/methods, N-Methyl-D-Aspartate/antagonists & inhibitors/physiology, NEOMED College of Medicine, Neural Inhibition/drug effects/*physiology, Neurons/drug effects/physiology/radiation effects, Piperazines/pharmacology, Radiation, Receptors, Sanchez Jason Tait, The Journal of neuroscience : the official journal of the Society for Neuroscience, Wenstrup Jeffrey J

Circuitry underlying spectrotemporal integration in the auditory midbrain.

Combination sensitivity in central auditory neurons is a form of spectrotemporal integration in which excitatory responses to sounds at one frequency are facilitated by sounds within a distinctly different frequency band. Combination-sensitive…

Tags: 2011, Acoustic Stimulation/*methods, Animals, Auditory Pathways/*physiology, Chiroptera, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Female, Male, Mesencephalon/*physiology, NEOMED College of Medicine, Nerve Net/*physiology, Schofield Brett R, The Journal of neuroscience : the official journal of the Society for Neuroscience, Time Factors, Wenstrup Jeffrey J, Yavuzoglu Asuman

Contribution of NMDA and AMPA receptors to temporal patterning of auditory responses in the inferior colliculus.

Although NMDA receptors (NMDARs) are associated with synaptic plasticity, they form an essential part of responses to sensory stimuli. We compared contributions of glutamatergic NMDARs and AMPA receptors (AMPARs) to auditory responses in the inferior…

Projection to the inferior colliculus from the basal nucleus of the amygdala.

This report describes a projection from the amygdala, a forebrain center mediating emotional expression, to the inferior colliculus (IC), the midbrain integration center of the ascending auditory system. In the IC of mustached bats (Pteronotus…

Coding the meaning of sounds: contextual modulation of auditory responses in the basolateral amygdala.

Female mice emit a low-frequency harmonic (LFH) call in association with distinct behavioral contexts: mating and physical threat or pain. Here we report the results of acoustic, behavioral, and neurophysiological studies of the contextual analysis…

Spectral integration in the inferior colliculus: role of glycinergic inhibition in response facilitation.

This study examined the contribution of glycinergic inhibition to the time-sensitive spectral integration performed by neurons in the inferior colliculus of the mustached bat (Pteronotus parnellii). These neurons are sometimes called…

Spectral integration in the inferior colliculus of the mustached bat.

Acoustic behaviors including orientation and social communication depend on neural integration of information across the sound spectrum. In many species, spectral integration is performed by combination-sensitive neurons, responding best when…

Inputs to combination-sensitive neurons in the medial geniculate body of the mustached bat: the missing fundamental.

This study examined projections to combination-sensitive neurons in the medial geniculate body of the mustached bat. These specialized neurons respond to the combination of two temporally and spectrally distinct components of the bat's sonar pulse…

Social vocalizations of big brown bats vary with behavioral context.

Bats are among the most gregarious and vocal mammals, with some species demonstrating a diverse repertoire of syllables under a variety of behavioral contexts. Despite extensive characterization of big brown bat (Eptesicus fuscus) biosonar signals,…

Tags: *Animal Communication, *Behavior, 2012, Acoustics, Animal, Animals, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Electrocardiography, Faure Paul A, Gadziola Marie A, Grimsley Jasmine M S, NEOMED College of Medicine, PloS one, Wenstrup Jeffrey J

Development of social vocalizations in mice.

Adult mice are highly vocal animals, with both males and females vocalizing in same sex and cross sex social encounters. Mouse pups are also highly vocal, producing isolation vocalizations when they are cold or removed from the nest. This study…

Temporal features of spectral integration in the inferior colliculus: effects of stimulus duration and rise time.

This report examines temporal features of facilitation and suppression that underlie spectrally integrative responses to complex vocal signals. Auditory responses were recorded from 160 neurons in the inferior colliculus (IC) of awake mustached bats.…

Intracellular recordings from combination-sensitive neurons in the inferior colliculus.

In vertebrate auditory systems, specialized combination-sensitive neurons analyze complex vocal signals by integrating information across multiple frequency bands. We studied combination-sensitive interactions in neurons of the inferior colliculus…

Frequency organization and responses to complex sounds in the medial geniculate body of the mustached bat.

The auditory cortex of the mustached bat (Pteronotus parnellii) displays some of the most highly developed physiological and organizational features described in mammalian auditory cortex. This study examines response properties and organization in…

Tags: *Brain Mapping, 1999, Animal, Animals, Auditory Cortex/*physiology, Auditory Perception/*physiology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Electrophysiology/methods, Geniculate Bodies/*physiology, Journal of neurophysiology, NEOMED College of Medicine, Neurons/*physiology, Pitch Discrimination/*physiology, Reaction Time, Ultrasonics, Vocalization, Wenstrup J J

Delay-tuned neurons in the inferior colliculus of the mustached bat: implications for analyses of target distance.

We examined response properties of delay-tuned neurons in the central nucleus of the inferior colliculus (ICC) of the mustached bat. In the mustached bat, delay-tuned neurons respond best to the combination of the first-harmonic, frequency-modulated…

Tags: 1999, Animal/physiology, Animals, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation/*physiology, Inferior Colliculi/cytology/*physiology, Journal of neurophysiology, NEOMED College of Medicine, Neural Inhibition/physiology, Neurons/*physiology, Portfors C V, Reaction Time/physiology, Vocalization, Wenstrup J J

Roles of inhibition in creating complex auditory responses in the inferior colliculus: facilitated combination-sensitive neurons.

We studied roles of inhibition on temporally sensitive facilitation in combination-sensitive neurons from the mustached bat's inferior colliculus (IC). In these integrative neurons, excitatory responses to best frequency (BF) tones are enhanced by…

Roles of inhibition in complex auditory responses in the inferior colliculus: inhibited combination-sensitive neurons.

We studied the functional properties and underlying neural mechanisms associated with inhibitory combination-sensitive neurons in the mustached bat's inferior colliculus (IC). In these neurons, the excitatory response to best frequency tones was…

Two distinct representations of social vocalizations in the basolateral amygdala.

Acoustic communication signals carry information related to the types of social interactions by means of their "acoustic context," the sequencing and temporal emission pattern of vocalizations. Here we describe responses to natural vocal sequences in…

Auditory responses in the cochlear nucleus of awake mustached bats: precursors to spectral integration in the auditory midbrain.

In the cochlear nucleus (CN) of awake mustached bats, single- and two-tone stimuli were used to examine how responses in major CN subdivisions contribute to spectrotemporal integrative features in the inferior colliculus (IC). Across CN subdivisions,…

A novel coding mechanism for social vocalizations in the lateral amygdala.

The amygdala plays a central role in evaluating the significance of acoustic signals and coordinating the appropriate behavioral responses. To understand how amygdalar responses modulate auditory processing and drive emotional expression, we assessed…

Glycinergic inhibition creates a form of auditory spectral integration in nuclei of the lateral lemniscus.

For analyses of complex sounds, many neurons integrate information across different spectral elements via suppressive effects that are distant from the neurons' excitatory tuning. In the mustached bat, suppression evoked by sounds within the first…

Tinnitus and underlying brain mechanisms.

PURPOSE OF REVIEW: Tinnitus is the sensation of hearing a sound when no external auditory stimulus is present. Most individuals experience tinnitus for brief, unobtrusive periods. However, chronic sensation of tinnitus affects approximately 17% (44…

Excitatory and facilitatory frequency response areas in the inferior colliculus of the mustached bat.

In the mustached bat's central nucleus of the inferior colliculus (ICC), many neurons display facilitatory or inhibitory responses when presented with two tones of distinctly different frequencies. Our previous studies have focused on spectral…

Tags: 2002, Acoustic Stimulation, Animal, Animals, Auditory, Auditory Perception/*physiology, Brain Stem, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation, Evoked Potentials, Hearing research, Inferior Colliculi/*physiology, NEOMED College of Medicine, Neurons/physiology, Portfors Christine V, Vocalization, Wenstrup Jeffrey J

Topographical distribution of delay-tuned responses in the mustached bat inferior colliculus.

In the mustached bat, delay-tuned neurons respond best to specific delays between the first harmonic frequency modulated (FM) component (FM1; 24-29 kHz) of the emitted biosonar pulse and a higher harmonic FM component in returning echoes (e.g. FM3,…

Tags: 2001, Acoustic Stimulation, Animals, Auditory Cortex/anatomy & histology/physiology, Chiroptera/*anatomy & histology/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation/physiology, Hearing research, Inferior Colliculi/*anatomy & histology/*physiology, NEOMED College of Medicine, Neurons/physiology, Portfors C V, Ultrasonics, Wenstrup J J

Selectivity and persistent firing responses to social vocalizations in the basolateral amygdala.

This study examined responsiveness to acoustic stimuli among neurons of the basolateral amygdala. While recording from single neurons in awake mustached bats (Pteronotus parnellii), we presented a wide range of acoustic stimuli including tonal,…

Tags: 2012, Acoustic Stimulation, Action Potentials/*physiology, Amygdala/*physiology, Animal/*physiology, Animals, Auditory/physiology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation/physiology, Evoked Potentials, NEOMED College of Medicine, Neurons/*physiology, Neuroscience, Peterson D C, Vocalization, Wenstrup J J

Substrates of auditory frequency integration in a nucleus of the lateral lemniscus.

In the intermediate nucleus of the lateral lemniscus (INLL), some neurons display a form of spectral integration in which excitatory responses to sounds at their best frequency are inhibited by sounds within a frequency band at least one octave…

Tags: 2010, Acoustic Stimulation, Action Potentials, Animals, Auditory Pathways/*physiology, Brain Stem/anatomy & histology/*physiology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Glycine/physiology, NEOMED College of Medicine, Neuroscience, Schofield B R, Wenstrup J J, Yavuzoglu A

A three-dimensional digital neurological atlas of the mustached bat (Pteronotus parnellii).

Substantial knowledge of auditory processing within mammalian nervous systems emerged from neurophysiological studies of the mustached bat (Pteronotus parnellii). This highly social and vocal species retrieves precise information about the velocity…

Neural processing of target distance by echolocating bats: functional roles of the auditory midbrain.

Using their biological sonar, bats estimate distance to avoid obstacles and capture moving prey. The primary distance cue is the delay between the bat's emitted echolocation pulse and the return of an echo. The mustached bat's auditory midbrain…

Tags: 2011, Animals, Auditory Cortex/physiology, Auditory Pathways/*physiology, Auditory Perception/*physiology, Brain Mapping/psychology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation/*physiology, Inferior Colliculi/*physiology, Models, NEOMED College of Medicine, Neurological, Neurons/physiology, Neuroscience and biobehavioral reviews, Portfors Christine V, Wenstrup Jeffrey J

Combination-sensitive neurons in the inferior colliculus.

We examined whether neurons in the inferior colliculus of the mustached bat (Pteronotus parnellii) are combination sensitive, responding to both low- and high-frequency components of the bat's sonar signal. These neurons, previously reported in the…

Tags: 1995, Acoustic Stimulation, Animals, Auditory Cortex/metabolism, Chiroptera, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Doppler, Hearing research, Inferior Colliculi/*cytology/metabolism, Mittmann D H, NEOMED College of Medicine, Neurons/cytology/*physiology, Sound Localization, Transcranial, Ultrasonography, Wenstrup J J

Responses to combinations of tones in the nuclei of the lateral lemniscus.

Combination-sensitive neurons integrate specific spectral and temporal elements in biologically important sounds, and they may underlie the analysis of biosonar and social vocalizations. Combination-sensitive neurons are found in the forebrain of a…

Tags: 2001, Acoustic Stimulation/methods, Animals, Auditory Pathways/*physiology, Brain Stem/*physiology, Chiroptera, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Electrophysiology, Journal of the Association for Research in Otolaryngology : JARO, NEOMED College of Medicine, Neurons/physiology, Portfors C V, Reaction Time/physiology, Wenstrup J J

Projections of physiologically defined subdivisions of the inferior colliculus in the mustached bat: targets in the medial geniculate body and extrathalamic nuclei.

This study examined the output of the central nucleus of the inferior colliculus to the medial geniculate body and other parts of the nervous system in the mustached bat (Pteronotus parnellii). Small deposits of anterograde tracers (horseradish…

Tags: 1994, Acoustic Stimulation, Animals, Axons/ultrastructure, Brain Mapping, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Geniculate Bodies/*physiology, Inferior Colliculi/*physiology, Larue D T, NEOMED College of Medicine, Neural Pathways/*physiology, Synaptic Transmission, Thalamic Nuclei/*physiology, The Journal of comparative neurology, Wenstrup J J, Winer J A

Inputs to combination-sensitive neurons of the inferior colliculus.

In the mustached bat, combination-sensitive neurons display integrative responses to combinations of acoustic elements in biosonar or social vocalizations. One type of combination-sensitive neuron responds to multiple harmonics of the…

Tags: *Brain Mapping, 1999, Acoustic Stimulation, Animals, Auditory, Brain Stem/*physiology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Evoked Potentials, Grose C D, Inferior Colliculi/*physiology, Mittmann D H, NEOMED College of Medicine, Neurons/*physiology, The Journal of comparative neurology, Wenstrup J J

Browse Items (34 total)