Functional Overlap and Nonoverlap Between Lateral Line and Auditory Systems

Braun, Christopher B.; Sand, Olav

doi:10.1007/2506_2013_19

Cited by 15 publications

(18 citation statements)

References 131 publications

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“…Today, electrophysiological, morphological, neuroanatomical and behavioral evidence indicates that although the mechanosensory lateral line system and auditory inner ear (composed of three otolithic endorgans -the saccule, lagena and utricle) can be stimulated by the same source, they are in fact two distinct systems (reviewed in Braun and Sand, 2014;Kalmijn, 1988Kalmijn, , 1989. Any movement underwater will inevitably generate sound, which propagates away from the source as both a pressure wave (a scalar quantity involving compressions and rarefactions of particles) and particle motion (a vector quantity involving to-and-fro displacement of particles).…”

Section: Mechanosensory Versus Acoustic Communicationmentioning

confidence: 99%

“…Thus, acoustic stimuli can be detected by both the auditory and mechanosensory systems, depending on factors such as frequency and distance. The lateral line system detects closerange (usually within ∼1-2 body lengths), low-frequency (<∼200 Hz) stimuli; thus, perception at low frequencies and at close range can be a multimodal response (Braun and Coombs, 2000;Braun and Sand, 2014;Higgs and Radford, 2013).…”

Section: Mechanosensory Versus Acoustic Communicationmentioning

confidence: 99%

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Mechanosensory signaling as a potential mode of communication during social interactions in fishes

Butler

Maruska

2016

Journal of Experimental Biology

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Signals produced during social interactions convey crucial information about the sender's identity, quality, reproductive state and social status. Fishes can detect near-body water movements via the mechanosensory lateral line system, and this sense is used during several common fish behaviors, such as schooling, rheotaxis and predator-prey interactions. In addition, many fish behaviors, such as aggressive lateral displays and reproductive body quivers, involve fin and body motions that generate water movements that can be detected by the lateral line system of nearby fish. This mechanosensory system is well studied for its role in obstacle avoidance and detection of inadvertent hydrodynamic cues generated during schooling and predator-prey interactions; however, little research has focused on the role of mechanosensory communication during social interactions. Here, we summarize the current literature on the use of mechanosensation-mediated behaviors during agonistic and reproductive encounters, as well as during parental care. Based on these studies, we hypothesize that mechanosensory signaling is an important but often overlooked mode of communication during conspecific social interactions in many fish species, and we highlight its importance during multimodal communication. Finally, we suggest potential avenues of future research that would allow us to better understand the role of mechanosensation in fish communication.

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Section: Mechanosensory Versus Acoustic Communicationmentioning

confidence: 99%

Section: Mechanosensory Versus Acoustic Communicationmentioning

confidence: 99%

Mechanosensory signaling as a potential mode of communication during social interactions in fishes

Butler

Maruska

2016

Journal of Experimental Biology

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“…The significance of this observation is that it may reflect the fact that underwater particle motion caused by sound or nonsonic sources that are close to a fish (within 1-2 body lengths) and below 200 Hz can stimulate both sensory systems [reviewed in Coombs and Montgomery, 1999;Braun and Sand, 2014]. Within the overlapping sensitivity range, processing in the medulla could potentially occur in parallel by LL and auditory nuclei and/or could converge onto common neurons in one or both of these nuclei.…”

Section: Abbreviations Used In This Papermentioning

confidence: 99%

“…Braun et al, 2000;Braun and Coombs, 2010;Braun and Sand, 2014]. The current study focuses on one area of potential convergence: the auditory region within the dDO of the goldfish [McCormick and Wallace, 2012].…”

Section: Abbreviations Used In This Papermentioning

confidence: 99%

“…The local incompressible flows are capable of stimulating the mechanosensory LL at low frequencies ( ∼ 1-200 Hz) within short distances (within 1-2 body lengths of the fish). Therefore, if a fish is close to the source of sound/water movement with an upper limit of 200 Hz, both the mechanosensory LL and the otolithic end organs may be stimulated [reviewed in Coombs and Montgomery, 1999;Braun and Sand, 2014;Higgs and Radford, 2016].…”

Section: Functional Considerationsmentioning

confidence: 99%

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Mechanosensory Lateral Line Nerve Projections to Auditory Neurons in the Dorsal Descending Octaval Nucleus in the Goldfish, Carassius auratus

McCormick

Gallagher²,

Cantu-Hertzler³

et al. 2016

Brain Behav Evol

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The nucleus medialis is the main first-order target of the mechanosensory lateral line (LL) system. This report definitively demonstrates that mechanosensory LL inputs also terminate in the ipsilateral dorsal portion of the descending octaval nucleus (dDO) in the goldfish. The dDO, which is the main first-order auditory nucleus in bony fishes, includes neurons that receive direct input from the otolithic end organs of the inner ear and project to the auditory midbrain. There are two groups of such auditory projection neurons: medial and lateral. The medial and the lateral groups in turn contain several neuronal populations, each of which includes one or more morphological cell types. In goldfish, the exclusively mechanosensory anterior and posterior LL nerves terminate only on specific cell types of auditory projection neurons in the lateral dDO group. Single neurons in the lateral dDO group may receive input from both anterior and posterior LL nerves. It is possible that some of the lateral dDO neurons that receive LL input also receive input from one or more of the otolithic end organs. These results are consistent with functional studies demonstrating low frequency acoustic sensitivity of the mechanosensory LL in teleosts, and they reveal that the anatomical substrate for sensory integration of otolithic and LL inputs is present at the origin of the central ascending auditory pathway in an otophysine fish.

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What the Toadfish Ear Tells the Toadfish Brain About Sound

Edds‐Walton

2016

Advances in Experimental Medicine and Biology

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Of the three, paired otolithic endorgans in the ear of teleost fishes, the saccule is the one most often demonstrated to have a major role in encoding frequencies of biologically relevant sounds. The toadfish saccule also encodes sound level and sound source direction in the phase-locked activity conveyed via auditory afferents to nuclei of the ipsilateral octaval column in the medulla. Although paired auditory receptors are present in teleost fishes, binaural processes were believed to be unimportant due to the speed of sound in water and the acoustic transparency of the tissues in water. In contrast, there are behavioral and anatomical data that support binaural processing in fishes. Studies in the toadfish combined anatomical tract-tracing and physiological recordings from identified sites along the ascending auditory pathway to document response characteristics at each level. Binaural computations in the medulla and midbrain sharpen the directional information provided by the saccule. Furthermore, physiological studies in the central nervous system indicated that encoding frequency, sound level, temporal pattern, and sound source direction are important components of what the toadfish ear tells the toadfish brain about sound.

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Functional Overlap and Nonoverlap Between Lateral Line and Auditory Systems

Cited by 15 publications

References 131 publications

Mechanosensory signaling as a potential mode of communication during social interactions in fishes

Mechanosensory signaling as a potential mode of communication during social interactions in fishes

Mechanosensory Lateral Line Nerve Projections to Auditory Neurons in the Dorsal Descending Octaval Nucleus in the Goldfish, Carassius auratus

What the Toadfish Ear Tells the Toadfish Brain About Sound

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