1
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Hudac CM, Dommer K, Mahony M, DesChamps TD, Cairney B, Earl R, Kurtz-Nelson EC, Bradshaw J, Bernier RA, Eichler EE, Neuhaus E, Webb SJ, Shic F. Visual and auditory attention in individuals with DYRK1A and SCN2A disruptive variants. Autism Res 2024. [PMID: 39080977 DOI: 10.1002/aur.3202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 07/17/2024] [Indexed: 08/02/2024]
Abstract
This preliminary study sought to assess biomarkers of attention using electroencephalography (EEG) and eye tracking in two ultra-rare monogenic populations associated with autism spectrum disorder (ASD). Relative to idiopathic ASD (n = 12) and neurotypical comparison (n = 49) groups, divergent attention profiles were observed for the monogenic groups, such that individuals with DYRK1A (n = 9) exhibited diminished auditory attention condition differences during an oddball EEG paradigm whereas individuals with SCN2A (n = 5) exhibited diminished visual attention condition differences noted by eye gaze tracking when viewing social interactions. Findings provide initial support for alignment of auditory and visual attention markers in idiopathic ASD and neurotypical development but not monogenic groups. These results support ongoing efforts to develop translational ASD biomarkers within the attention domain.
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Affiliation(s)
- Caitlin M Hudac
- Department of Psychology, University of South Carolina, Columbia, South Carolina, USA
- Center for Autism and Neurodevelopment (CAN) Research Center, University of South Carolina, Columbia, South Carolina, USA
- Institute for Mind and Brain, University of South Carolina, Columbia, South Carolina, USA
| | - Kelsey Dommer
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Monique Mahony
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA
| | - Trent D DesChamps
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Brianna Cairney
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Rachel Earl
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | | | - Jessica Bradshaw
- Department of Psychology, University of South Carolina, Columbia, South Carolina, USA
- Center for Autism and Neurodevelopment (CAN) Research Center, University of South Carolina, Columbia, South Carolina, USA
- Institute for Mind and Brain, University of South Carolina, Columbia, South Carolina, USA
| | - Raphael A Bernier
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Evan E Eichler
- Department of Genome Sciences, University of Washington, Seattle, Washington, USA
- Howard Hughes Medical Institute, University of Washington, Seattle, Washington, USA
| | - Emily Neuhaus
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Sara Jane Webb
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Psychiatry and Behavioral Sciences, University of Washington, Seattle, Washington, USA
| | - Frederick Shic
- Center for Child Health, Behavior and Development, Seattle Children's Research Institute, Seattle, Washington, USA
- Department of Pediatrics, University of Washington, Seattle, Washington, USA
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2
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Murphy KR, Farrell JS, Bendig J, Mitra A, Luff C, Stelzer IA, Yamaguchi H, Angelakos CC, Choi M, Bian W, DiIanni T, Pujol EM, Matosevich N, Airan R, Gaudillière B, Konofagou EE, Butts-Pauly K, Soltesz I, de Lecea L. Optimized ultrasound neuromodulation for non-invasive control of behavior and physiology. Neuron 2024:S0896-6273(24)00493-8. [PMID: 39079529 DOI: 10.1016/j.neuron.2024.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 05/09/2024] [Accepted: 07/02/2024] [Indexed: 08/09/2024]
Abstract
Focused ultrasound can non-invasively modulate neural activity, but whether effective stimulation parameters generalize across brain regions and cell types remains unknown. We used focused ultrasound coupled with fiber photometry to identify optimal neuromodulation parameters for four different arousal centers of the brain in an effort to yield overt changes in behavior. Applying coordinate descent, we found that optimal parameters for excitation or inhibition are highly distinct, the effects of which are generally conserved across brain regions and cell types. Optimized stimulations induced clear, target-specific behavioral effects, whereas non-optimized protocols of equivalent energy resulted in substantially less or no change in behavior. These outcomes were independent of auditory confounds and, contrary to expectation, accompanied by a cyclooxygenase-dependent and prolonged reduction in local blood flow and temperature with brain-region-specific scaling. These findings demonstrate that carefully tuned and targeted ultrasound can exhibit powerful effects on complex behavior and physiology.
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Affiliation(s)
- Keith R Murphy
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Jordan S Farrell
- Department of Neurosurgery, Stanford University, Stanford, CA, USA; Department of Neurology, Harvard Medical School, Boston, MA, USA; Rosamund Stone Zander Translational Neuroscience Center, Boston Children's Hospital, Boston, MA, USA; F.M. Kirby Neurobiology Center, Harvard Medical School, Boston, MA, USA
| | - Jonas Bendig
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Anish Mitra
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Charlotte Luff
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Ina A Stelzer
- Department of Anesthesia, Stanford University, Stanford, CA, USA
| | - Hiroshi Yamaguchi
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA; Department of Neuroscience, Nagoya University, Nagoya, Japan
| | | | - Mihyun Choi
- Department of Radiology, Stanford University, Stanford, CA, USA
| | - Wenjie Bian
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA; Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, China; School of Life Sciences, Westlake University, Hangzhou, Zhejiang, China
| | - Tommaso DiIanni
- Department of Radiology, Stanford University, Stanford, CA, USA; Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, CA, USA
| | - Esther Martinez Pujol
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | - Noa Matosevich
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA; Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Raag Airan
- Department of Radiology, Stanford University, Stanford, CA, USA
| | - Brice Gaudillière
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Elisa E Konofagou
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Kim Butts-Pauly
- Department of Radiology, Stanford University, Stanford, CA, USA
| | - Ivan Soltesz
- Department of Neurosurgery, Stanford University, Stanford, CA, USA
| | - Luis de Lecea
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA.
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3
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Tzanou A, Theodorou E, Mantas I, Dalezios Y. Excitatory Projections of Wide Field Collicular Neurons to the Nucleus of the Optic Tract in the Rat. J Comp Neurol 2024; 532:e25651. [PMID: 38961597 DOI: 10.1002/cne.25651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 05/20/2024] [Accepted: 06/07/2024] [Indexed: 07/05/2024]
Abstract
The superficial layers of the mammalian superior colliculus (SC) contain neurons that are generally responsive to visual stimuli but can differ considerably in morphology and response properties. To elucidate the structure and function of these neurons, we combined extracellular recording and juxtacellular labeling, detailed anatomical reconstruction, and ultrastructural analysis of the synaptic contacts of labeled neurons, using transmission electron microscopy. Our labeled neurons project to different brainstem nuclei. Of particular importance are neurons that fit the morphological criteria of the wide field (WF) neurons and whose dendrites are horizontally oriented. They display a rather characteristic axonal projection pattern to the nucleus of optic tract (NOT); thus, we call them superior collicular WF projecting to the NOT (SCWFNOT) neurons. We corroborated the morphological characterization of this neuronal type as a distinct neuronal class with the help of unsupervised hierarchical cluster analysis. Our ultrastructural data demonstrate that SCWFNOT neurons establish excitatory connections with their targets in the NOT. Although, in rodents, the literature about the WF neurons has focused on their extensive projection to the lateral posterior nucleus of the thalamus, as a conduit for information to reach the visual association areas of the cortex, our data suggest that this subclass of WF neurons may participate in the optokinetic nystagmus.
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Affiliation(s)
- Athanasia Tzanou
- School of Medicine, University of Crete, Heraklion, Greece
- Institute of Applied and Computational Mathematics (IACM), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Greece
| | - Eirini Theodorou
- School of Medicine, University of Crete, Heraklion, Greece
- Institute of Applied and Computational Mathematics (IACM), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Greece
| | - Ioannis Mantas
- School of Medicine, University of Crete, Heraklion, Greece
| | - Yannis Dalezios
- School of Medicine, University of Crete, Heraklion, Greece
- Institute of Applied and Computational Mathematics (IACM), Foundation for Research and Technology-Hellas (FORTH), Heraklion, Greece
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4
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Skyberg RJ, Niell CM. Natural visual behavior and active sensing in the mouse. Curr Opin Neurobiol 2024; 86:102882. [PMID: 38704868 PMCID: PMC11254345 DOI: 10.1016/j.conb.2024.102882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 04/05/2024] [Accepted: 04/10/2024] [Indexed: 05/07/2024]
Abstract
In the natural world, animals use vision for a wide variety of behaviors not reflected in most laboratory paradigms. Although mice have low-acuity vision, they use their vision for many natural behaviors, including predator avoidance, prey capture, and navigation. They also perform active sensing, moving their head and eyes to achieve behavioral goals and acquire visual information. These aspects of natural vision result in visual inputs and corresponding behavioral outputs that are outside the range of conventional vision studies but are essential aspects of visual function. Here, we review recent studies in mice that have tapped into natural behavior and active sensing to reveal the computational logic of neural circuits for vision.
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Affiliation(s)
- Rolf J Skyberg
- Department of Biology and Institute of Neuroscience, University of Oregon, Eugene OR 97403, USA. https://twitter.com/SkybergRolf
| | - Cristopher M Niell
- Department of Biology and Institute of Neuroscience, University of Oregon, Eugene OR 97403, USA.
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5
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Ambrad Giovannetti E, Rancz E. Behind mouse eyes: The function and control of eye movements in mice. Neurosci Biobehav Rev 2024; 161:105671. [PMID: 38604571 DOI: 10.1016/j.neubiorev.2024.105671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 03/12/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
The mouse visual system has become the most popular model to study the cellular and circuit mechanisms of sensory processing. However, the importance of eye movements only started to be appreciated recently. Eye movements provide a basis for predictive sensing and deliver insights into various brain functions and dysfunctions. A plethora of knowledge on the central control of eye movements and their role in perception and behaviour arose from work on primates. However, an overview of various eye movements in mice and a comparison to primates is missing. Here, we review the eye movement types described to date in mice and compare them to those observed in primates. We discuss the central neuronal mechanisms for their generation and control. Furthermore, we review the mounting literature on eye movements in mice during head-fixed and freely moving behaviours. Finally, we highlight gaps in our understanding and suggest future directions for research.
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Affiliation(s)
| | - Ede Rancz
- INMED, INSERM, Aix-Marseille University, Marseille, France.
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6
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La Chioma A, Schneider DM. Auditory neuroscience: Sounds make the face move. Curr Biol 2024; 34:R346-R348. [PMID: 38714161 DOI: 10.1016/j.cub.2024.03.041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2024]
Abstract
Animals including humans often react to sounds by involuntarily moving their face and body. A new study shows that facial movements provide a simple and reliable readout of a mouse's hearing ability that is more sensitive than traditional measurements.
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Affiliation(s)
| | - David M Schneider
- Center for Neural Science, New York University, New York, NY 10003, USA.
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7
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Clayton KK, Stecyk KS, Guo AA, Chambers AR, Chen K, Hancock KE, Polley DB. Sound elicits stereotyped facial movements that provide a sensitive index of hearing abilities in mice. Curr Biol 2024; 34:1605-1620.e5. [PMID: 38492568 PMCID: PMC11043000 DOI: 10.1016/j.cub.2024.02.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 01/02/2024] [Accepted: 02/23/2024] [Indexed: 03/18/2024]
Abstract
Sound elicits rapid movements of muscles in the face, ears, and eyes that protect the body from injury and trigger brain-wide internal state changes. Here, we performed quantitative facial videography from mice resting atop a piezoelectric force plate and observed that broadband sounds elicited rapid and stereotyped facial twitches. Facial motion energy (FME) adjacent to the whisker array was 30 dB more sensitive than the acoustic startle reflex and offered greater inter-trial and inter-animal reliability than sound-evoked pupil dilations or movement of other facial and body regions. FME tracked the low-frequency envelope of broadband sounds, providing a means to study behavioral discrimination of complex auditory stimuli, such as speech phonemes in noise. Approximately 25% of layer 5-6 units in the auditory cortex (ACtx) exhibited firing rate changes during facial movements. However, FME facilitation during ACtx photoinhibition indicated that sound-evoked facial movements were mediated by a midbrain pathway and modulated by descending corticofugal input. FME and auditory brainstem response (ABR) thresholds were closely aligned after noise-induced sensorineural hearing loss, yet FME growth slopes were disproportionately steep at spared frequencies, reflecting a central plasticity that matched commensurate changes in ABR wave 4. Sound-evoked facial movements were also hypersensitive in Ptchd1 knockout mice, highlighting the use of FME for identifying sensory hyper-reactivity phenotypes after adult-onset hyperacusis and inherited deficiencies in autism risk genes. These findings present a sensitive and integrative measure of hearing while also highlighting that even low-intensity broadband sounds can elicit a complex mixture of auditory, motor, and reafferent somatosensory neural activity.
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Affiliation(s)
- Kameron K Clayton
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02114, USA.
| | - Kamryn S Stecyk
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA
| | - Anna A Guo
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA
| | - Anna R Chambers
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02114, USA
| | - Ke Chen
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02114, USA
| | - Kenneth E Hancock
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02114, USA
| | - Daniel B Polley
- Eaton-Peabody Laboratories, Massachusetts Eye and Ear, Boston, MA 02114, USA; Department of Otolaryngology-Head and Neck Surgery, Harvard Medical School, Boston, MA 02114, USA
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8
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Samonds JM, Szinte M, Barr C, Montagnini A, Masson GS, Priebe NJ. Mammals Achieve Common Neural Coverage of Visual Scenes Using Distinct Sampling Behaviors. eNeuro 2024; 11:ENEURO.0287-23.2023. [PMID: 38164577 PMCID: PMC10860624 DOI: 10.1523/eneuro.0287-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 10/24/2023] [Accepted: 10/30/2023] [Indexed: 01/03/2024] Open
Abstract
Most vertebrates use head and eye movements to quickly change gaze orientation and sample different portions of the environment with periods of stable fixation. Visual information must be integrated across fixations to construct a complete perspective of the visual environment. In concert with this sampling strategy, neurons adapt to unchanging input to conserve energy and ensure that only novel information from each fixation is processed. We demonstrate how adaptation recovery times and saccade properties interact and thus shape spatiotemporal tradeoffs observed in the motor and visual systems of mice, cats, marmosets, macaques, and humans. These tradeoffs predict that in order to achieve similar visual coverage over time, animals with smaller receptive field sizes require faster saccade rates. Indeed, we find comparable sampling of the visual environment by neuronal populations across mammals when integrating measurements of saccadic behavior with receptive field sizes and V1 neuronal density. We propose that these mammals share a common statistically driven strategy of maintaining coverage of their visual environment over time calibrated to their respective visual system characteristics.
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Affiliation(s)
- Jason M Samonds
- Center for Learning and Memory and the Institute for Neuroscience, The University of Texas at Austin, Austin 78712, Texas
| | - Martin Szinte
- Institut de Neurosciences de la Timone (UMR 7289), Centre National de la Recherche Scientifique and Aix-Marseille Université, 13385 Marseille, France
| | - Carrie Barr
- Center for Learning and Memory and the Institute for Neuroscience, The University of Texas at Austin, Austin 78712, Texas
| | - Anna Montagnini
- Institut de Neurosciences de la Timone (UMR 7289), Centre National de la Recherche Scientifique and Aix-Marseille Université, 13385 Marseille, France
| | - Guillaume S Masson
- Institut de Neurosciences de la Timone (UMR 7289), Centre National de la Recherche Scientifique and Aix-Marseille Université, 13385 Marseille, France
| | - Nicholas J Priebe
- Center for Learning and Memory and the Institute for Neuroscience, The University of Texas at Austin, Austin 78712, Texas
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9
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van Hoogstraten WS, Lute MCC, Liu Z, Broersen R, Mangili L, Kros L, Gao Z, Wang X, van den Maagdenberg AMJM, De Zeeuw CI. Disynaptic Inhibitory Cerebellar Control Over Caudal Medial Accessory Olive. eNeuro 2024; 11:ENEURO.0262-23.2023. [PMID: 38242692 PMCID: PMC10875979 DOI: 10.1523/eneuro.0262-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/07/2023] [Accepted: 12/27/2023] [Indexed: 01/21/2024] Open
Abstract
The olivocerebellar system, which is critical for sensorimotor performance and learning, functions through modules with feedback loops. The main feedback to the inferior olive comes from the cerebellar nuclei (CN), which are predominantly GABAergic and contralateral. However, for the subnucleus d of the caudomedial accessory olive (cdMAO), a crucial region for oculomotor and upper body movements, the source of GABAergic input has yet to be identified. Here, we demonstrate the existence of a disynaptic inhibitory projection from the medial CN (MCN) to the cdMAO via the superior colliculus (SC) by exploiting retrograde, anterograde, and transsynaptic viral tracing at the light microscopic level as well as anterograde classical and viral tracing combined with immunocytochemistry at the electron microscopic level. Retrograde tracing in Gad2-Cre mice reveals that the cdMAO receives GABAergic input from the contralateral SC. Anterograde transsynaptic tracing uncovered that the SC neurons receiving input from the contralateral MCN provide predominantly inhibitory projections to contralateral cdMAO, ipsilateral to the MCN. Following ultrastructural analysis of the monosynaptic projection about half of the SC terminals within the contralateral cdMAO are GABAergic. The disynaptic GABAergic projection from the MCN to the ipsilateral cdMAO mirrors that of the monosynaptic excitatory projection from the MCN to the contralateral cdMAO. Thus, while completing the map of inhibitory inputs to the olivary subnuclei, we established that the MCN inhibits the cdMAO via the contralateral SC, highlighting a potential push-pull mechanism in directional gaze control that appears unique in terms of laterality and polarity among olivocerebellar modules.
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Affiliation(s)
| | - Marit C C Lute
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
- Netherlands Institute for Neuroscience, Amsterdam 1105 BA, The Netherlands
| | - Zhiqiang Liu
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
| | - Robin Broersen
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
| | - Luca Mangili
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
| | - Lieke Kros
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
| | - Zhenyu Gao
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
| | - Xiaolu Wang
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
| | - Arn M J M van den Maagdenberg
- Departments of Neurology, Leiden University Medical Center, Leiden 2333 ZA, The Netherlands
- Human Genetics, Leiden University Medical Center, Leiden 2333 ZA, The Netherlands
| | - Chris I De Zeeuw
- Department of Neuroscience, Erasmus MC, Rotterdam 3015 GD, The Netherlands
- Netherlands Institute for Neuroscience, Amsterdam 1105 BA, The Netherlands
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10
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Cazemier JL, Haak R, Tran TKL, Hsu ATY, Husic M, Peri BD, Kirchberger L, Self MW, Roelfsema P, Heimel JA. Involvement of superior colliculus in complex figure detection of mice. eLife 2024; 13:e83708. [PMID: 38270590 PMCID: PMC10810606 DOI: 10.7554/elife.83708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 01/08/2024] [Indexed: 01/26/2024] Open
Abstract
Object detection is an essential function of the visual system. Although the visual cortex plays an important role in object detection, the superior colliculus can support detection when the visual cortex is ablated or silenced. Moreover, it has been shown that superficial layers of mouse SC (sSC) encode visual features of complex objects, and that this code is not inherited from the primary visual cortex. This suggests that mouse sSC may provide a significant contribution to complex object vision. Here, we use optogenetics to show that mouse sSC is involved in figure detection based on differences in figure contrast, orientation, and phase. Additionally, our neural recordings show that in mouse sSC, image elements that belong to a figure elicit stronger activity than those same elements when they are part of the background. The discriminability of this neural code is higher for correct trials than for incorrect trials. Our results provide new insight into the behavioral relevance of the visual processing that takes place in sSC.
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Affiliation(s)
- J Leonie Cazemier
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Robin Haak
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - TK Loan Tran
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Ann TY Hsu
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Medina Husic
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Brandon D Peri
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Lisa Kirchberger
- Department of Vision and Cognition, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Matthew W Self
- Department of Vision and Cognition, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
| | - Pieter Roelfsema
- Department of Vision and Cognition, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
- Department of Integrative Neurophysiology, VU UniversityAmsterdamNetherlands
- Department of Psychiatry, Academic Medical CentreAmsterdamNetherlands
- Laboratory of Visual Brain Therapy, Sorbonne Université, Institut National de la Santé et de la Recherche Médicale, Centre National de la Recherche Scientifique, Institut de la VisionParisFrance
| | - J Alexander Heimel
- Department of Circuits, Structure & Function, The Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences (KNAW)AmsterdamNetherlands
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11
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Alemu RZ, Papsin BC, Harrison RV, Blakeman A, Gordon KA. Head and Eye Movements Reveal Compensatory Strategies for Acute Binaural Deficits During Sound Localization. Trends Hear 2024; 28:23312165231217910. [PMID: 38297817 PMCID: PMC10832417 DOI: 10.1177/23312165231217910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 10/17/2023] [Accepted: 11/14/2023] [Indexed: 02/02/2024] Open
Abstract
The present study aimed to define use of head and eye movements during sound localization in children and adults to: (1) assess effects of stationary versus moving sound and (2) define effects of binaural cues degraded through acute monaural ear plugging. Thirty-three youth (MAge = 12.9 years) and seventeen adults (MAge = 24.6 years) with typical hearing were recruited and asked to localize white noise anywhere within a horizontal arc from -60° (left) to +60° (right) azimuth in two conditions (typical binaural and right ear plugged). In each trial, sound was presented at an initial stationary position (L1) and then while moving at ∼4°/s until reaching a second position (L2). Sound moved in five conditions (±40°, ±20°, or 0°). Participants adjusted a laser pointer to indicate L1 and L2 positions. Unrestricted head and eye movements were collected with gyroscopic sensors on the head and eye-tracking glasses, respectively. Results confirmed that accurate sound localization of both stationary and moving sound is disrupted by acute monaural ear plugging. Eye movements preceded head movements for sound localization in normal binaural listening and head movements were larger than eye movements during monaural plugging. Head movements favored the unplugged left ear when stationary sounds were presented in the right hemifield and during sound motion in both hemifields regardless of the movement direction. Disrupted binaural cues have greater effects on localization of moving than stationary sound. Head movements reveal preferential use of the better-hearing ear and relatively stable eye positions likely reflect normal vestibular-ocular reflexes.
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Affiliation(s)
- Robel Z. Alemu
- Archie's Cochlear Implant Laboratory, The Hospital for Sick Children, Toronto, ON, Canada
- Institute of Medical Science, The University of Toronto, Toronto, ON, Canada
| | - Blake C. Papsin
- Archie's Cochlear Implant Laboratory, The Hospital for Sick Children, Toronto, ON, Canada
- Institute of Medical Science, The University of Toronto, Toronto, ON, Canada
- Department of Otolaryngology-Head & Neck Surgery, University of Toronto, Toronto, ON, Canada
- Department of Otolaryngology, The Hospital for Sick Children, Toronto, ON, Canada
- Program in Neuroscience and Mental Health, Research Institute, Toronto, ON, Canada
| | - Robert V. Harrison
- Institute of Medical Science, The University of Toronto, Toronto, ON, Canada
- Department of Otolaryngology-Head & Neck Surgery, University of Toronto, Toronto, ON, Canada
- Program in Neuroscience and Mental Health, Research Institute, Toronto, ON, Canada
| | - Al Blakeman
- Archie's Cochlear Implant Laboratory, The Hospital for Sick Children, Toronto, ON, Canada
| | - Karen A. Gordon
- Archie's Cochlear Implant Laboratory, The Hospital for Sick Children, Toronto, ON, Canada
- Institute of Medical Science, The University of Toronto, Toronto, ON, Canada
- Department of Otolaryngology-Head & Neck Surgery, University of Toronto, Toronto, ON, Canada
- Program in Neuroscience and Mental Health, Research Institute, Toronto, ON, Canada
- Department of Communication Disorders, The Hospital for Sick Children, Toronto, ON, Canada
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12
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Parker PRL, Martins DM, Leonard ESP, Casey NM, Sharp SL, Abe ETT, Smear MC, Yates JL, Mitchell JF, Niell CM. A dynamic sequence of visual processing initiated by gaze shifts. Nat Neurosci 2023; 26:2192-2202. [PMID: 37996524 PMCID: PMC11270614 DOI: 10.1038/s41593-023-01481-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/04/2023] [Indexed: 11/25/2023]
Abstract
Animals move their head and eyes as they explore the visual scene. Neural correlates of these movements have been found in rodent primary visual cortex (V1), but their sources and computational roles are unclear. We addressed this by combining head and eye movement measurements with neural recordings in freely moving mice. V1 neurons responded primarily to gaze shifts, where head movements are accompanied by saccadic eye movements, rather than to head movements where compensatory eye movements stabilize gaze. A variety of activity patterns followed gaze shifts and together these formed a temporal sequence that was absent in darkness. Gaze-shift responses resembled those evoked by sequentially flashed stimuli, suggesting a large component corresponds to onset of new visual input. Notably, neurons responded in a sequence that matches their spatial frequency bias, consistent with coarse-to-fine processing. Recordings in freely gazing marmosets revealed a similar sequence following saccades, also aligned to spatial frequency preference. Our results demonstrate that active vision in both mice and marmosets consists of a dynamic temporal sequence of neural activity associated with visual sampling.
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Affiliation(s)
- Philip R L Parker
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA
- Behavioral and Systems Neuroscience, Department of Psychology, Rutgers University, New Brunswick, NJ, USA
| | - Dylan M Martins
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA
| | - Emmalyn S P Leonard
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA
| | - Nathan M Casey
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA
| | - Shelby L Sharp
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA
| | - Elliott T T Abe
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA
| | - Matthew C Smear
- Institute of Neuroscience and Department of Psychology, University of Oregon, Eugene, OR, USA
| | - Jacob L Yates
- Department of Biology and Program in Neuroscience and Cognitive Science, University of Maryland, College Park, MD, USA
- Herbert Wertheim School of Optometry and Vision Science, University of California, Berkeley, CA, USA
| | - Jude F Mitchell
- Department of Brain and Cognitive Sciences and Center for Visual Sciences, University of Rochester, Rochester, NY, USA.
| | - Cristopher M Niell
- Institute of Neuroscience and Department of Biology, University of Oregon, Eugene, OR, USA.
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13
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Garau C, Hayes J, Chiacchierini G, McCutcheon JE, Apergis-Schoute J. Involvement of A13 dopaminergic neurons in prehensile movements but not reward in the rat. Curr Biol 2023; 33:4786-4797.e4. [PMID: 37816347 DOI: 10.1016/j.cub.2023.09.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 08/14/2023] [Accepted: 09/18/2023] [Indexed: 10/12/2023]
Abstract
Tyrosine hydroxylase (TH)-containing neurons of the dopamine (DA) cell group A13 are well positioned to impact known DA-related functions as their descending projections innervate target regions that regulate vigilance, sensory integration, and motor execution. Despite this connectivity, little is known regarding the functionality of A13-DA circuits. Using TH-specific loss-of-function methodology and techniques to monitor population activity in transgenic rats in vivo, we investigated the contribution of A13-DA neurons in reward and movement-related actions. Our work demonstrates a role for A13-DA neurons in grasping and handling of objects but not reward. A13-DA neurons responded strongly when animals grab and manipulate food items, whereas their inactivation or degeneration prevented animals from successfully doing so-a deficit partially attributed to a reduction in grip strength. By contrast, there was no relation between A13-DA activity and food-seeking behavior when animals were tested on a reward-based task that did not include a reaching/grasping response. Motivation for food was unaffected, as goal-directed behavior for food items was in general intact following A13 neuronal inactivation/degeneration. An anatomical investigation confirmed that A13-DA neurons project to the superior colliculus (SC) and also demonstrated a novel A13-DA projection to the reticular formation (RF). These results establish a functional role for A13-DA neurons in prehensile actions that are uncoupled from the motivational factors that contribute to the initiation of forelimb movements and help position A13-DA circuits into the functional framework regarding centrally located DA populations and their ability to coordinate movement.
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Affiliation(s)
- Celia Garau
- Department of Neuroscience, Psychology & Behaviour, University of Leicester, University Road, Leicester LE1 9HN, UK.
| | - Jessica Hayes
- Department of Neuroscience, Psychology & Behaviour, University of Leicester, University Road, Leicester LE1 9HN, UK
| | - Giulia Chiacchierini
- Department of Neuroscience, Psychology & Behaviour, University of Leicester, University Road, Leicester LE1 9HN, UK; Department of Physiology and Pharmacology, La Sapienza University of Rome, 00185 Rome, Italy; Laboratory of Neuropsychopharmacology, Santa Lucia Foundation, 00143 Rome, Italy
| | - James E McCutcheon
- Department of Neuroscience, Psychology & Behaviour, University of Leicester, University Road, Leicester LE1 9HN, UK; Department of Psychology, UiT The Arctic University of Norway, Huginbakken 32, 9037 Tromsø, Norway
| | - John Apergis-Schoute
- Department of Neuroscience, Psychology & Behaviour, University of Leicester, University Road, Leicester LE1 9HN, UK; Department of Biological and Experimental Psychology, Queen Mary University of London, London E1 4NS, UK.
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14
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Takahashi M, Veale R. Pathways for Naturalistic Looking Behavior in Primate I: Behavioral Characteristics and Brainstem Circuits. Neuroscience 2023; 532:133-163. [PMID: 37776945 DOI: 10.1016/j.neuroscience.2023.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/09/2023] [Accepted: 09/18/2023] [Indexed: 10/02/2023]
Abstract
Organisms control their visual worlds by moving their eyes, heads, and bodies. This control of "gaze" or "looking" is key to survival and intelligence, but our investigation of the underlying neural mechanisms in natural conditions is hindered by technical limitations. Recent advances have enabled measurement of both brain and behavior in freely moving animals in complex environments, expanding on historical head-fixed laboratory investigations. We juxtapose looking behavior as traditionally measured in the laboratory against looking behavior in naturalistic conditions, finding that behavior changes when animals are free to move or when stimuli have depth or sound. We specifically focus on the brainstem circuits driving gaze shifts and gaze stabilization. The overarching goal of this review is to reconcile historical understanding of the differential neural circuits for different "classes" of gaze shift with two inconvenient truths. (1) "classes" of gaze behavior are artificial. (2) The neural circuits historically identified to control each "class" of behavior do not operate in isolation during natural behavior. Instead, multiple pathways combine adaptively and non-linearly depending on individual experience. While the neural circuits for reflexive and voluntary gaze behaviors traverse somewhat independent brainstem and spinal cord circuits, both can be modulated by feedback, meaning that most gaze behaviors are learned rather than hardcoded. Despite this flexibility, there are broadly enumerable neural pathways commonly adopted among primate gaze systems. Parallel pathways which carry simultaneous evolutionary and homeostatic drives converge in superior colliculus, a layered midbrain structure which integrates and relays these volitional signals to brainstem gaze-control circuits.
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Affiliation(s)
- Mayu Takahashi
- Department of Systems Neurophysiology, Graduate School of Medical and Dental, Sciences, Tokyo Medical and Dental University, Japan.
| | - Richard Veale
- Department of Neurobiology, Graduate School of Medicine, Kyoto University, Japan
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15
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Lande AS, Garvert AC, Ebbesen NC, Jordbræk SV, Vervaeke K. Representations of tactile object location in the retrosplenial cortex. Curr Biol 2023; 33:4599-4610.e7. [PMID: 37774708 DOI: 10.1016/j.cub.2023.09.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 07/23/2023] [Accepted: 09/06/2023] [Indexed: 10/01/2023]
Abstract
How animals use tactile sensation to detect important objects and remember their location in a world-based coordinate system is unclear. Here, we hypothesized that the retrosplenial cortex (RSC), a key network for contextual memory and spatial navigation, represents the location of objects based on tactile sensation. We studied mice palpating objects with their whiskers while navigating in a tactile virtual reality in darkness. Using two-photon Ca2+ imaging, we discovered that a population of neurons in the agranular RSC signal the location of objects. Responses to objects do not simply reflect the sensory stimulus. Instead, they are highly position, task, and context dependent and often predict the upcoming object before it is within reach. In addition, a large fraction of neurons encoding object location maintain a memory trace of the object's location. These data show that the RSC encodes the location and arrangement of tactile objects in a spatial reference frame.
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Affiliation(s)
- Andreas Sigstad Lande
- Institute of Basic Medical Sciences, Section of Physiology, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Anna Christina Garvert
- Institute of Basic Medical Sciences, Section of Physiology, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Nora Cecilie Ebbesen
- Institute of Basic Medical Sciences, Section of Physiology, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Sondre Valentin Jordbræk
- Institute of Basic Medical Sciences, Section of Physiology, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway
| | - Koen Vervaeke
- Institute of Basic Medical Sciences, Section of Physiology, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway.
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16
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King CW, Ledochowitsch P, Buice MA, de Vries SEJ. Saccade-Responsive Visual Cortical Neurons Do Not Exhibit Distinct Visual Response Properties. eNeuro 2023; 10:ENEURO.0051-23.2023. [PMID: 37591733 PMCID: PMC10506534 DOI: 10.1523/eneuro.0051-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 07/05/2023] [Accepted: 07/24/2023] [Indexed: 08/19/2023] Open
Abstract
Rapid saccadic eye movements are used by animals to sample different parts of the visual scene. Previous work has investigated neural correlates of these saccades in visual cortical areas such as V1; however, how saccade-responsive neurons are distributed across visual areas, cell types, and cortical layers has remained unknown. Through analyzing 818 1 h experimental sessions from the Allen Brain Observatory, we present a large-scale analysis of saccadic behaviors in head-fixed mice and their neural correlates. We find that saccade-responsive neurons are present across visual cortex, but their distribution varies considerably by transgenically defined cell type, cortical area, and cortical layer. We also find that saccade-responsive neurons do not exhibit distinct visual response properties from the broader neural population, suggesting that the saccadic responses of these neurons are likely not predominantly visually driven. These results provide insight into the roles played by different cell types within a broader, distributed network of sensory and motor interactions.
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Affiliation(s)
- Chase W King
- MindScope Program, Allen Institute, Seattle, Washington 98109
- Department of Computer Science, University of Washington, Seattle, Washington 98195-2350
| | | | - Michael A Buice
- MindScope Program, Allen Institute, Seattle, Washington 98109
- Department of Applied Mathematics, University of Washington, Seattle, Washington 98195-3925
| | - Saskia E J de Vries
- MindScope Program, Allen Institute, Seattle, Washington 98109
- Department of Physiology & Biophysics, University of Washington, Seattle, Washington 98195-7290
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17
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Wang X, Liu Z, Angelov M, Feng Z, Li X, Li A, Yang Y, Gong H, Gao Z. Excitatory nucleo-olivary pathway shapes cerebellar outputs for motor control. Nat Neurosci 2023; 26:1394-1406. [PMID: 37474638 PMCID: PMC10400430 DOI: 10.1038/s41593-023-01387-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Accepted: 06/16/2023] [Indexed: 07/22/2023]
Abstract
The brain generates predictive motor commands to control the spatiotemporal precision of high-velocity movements. Yet, how the brain organizes automated internal feedback to coordinate the kinematics of such fast movements is unclear. Here we unveil a unique nucleo-olivary loop in the cerebellum and its involvement in coordinating high-velocity movements. Activating the excitatory nucleo-olivary pathway induces well-timed internal feedback complex spike signals in Purkinje cells to shape cerebellar outputs. Anatomical tracing reveals extensive axonal collaterals from the excitatory nucleo-olivary neurons to downstream motor regions, supporting integration of motor output and internal feedback signals within the cerebellum. This pathway directly drives saccades and head movements with a converging direction, while curtailing their amplitude and velocity via the powerful internal feedback mechanism. Our finding challenges the long-standing dogma that the cerebellum inhibits the inferior olivary pathway and provides a new circuit mechanism for the cerebellar control of high-velocity movements.
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Affiliation(s)
- Xiaolu Wang
- Department of Neuroscience, Erasmus MC, Rotterdam, the Netherlands
| | - Zhiqiang Liu
- Department of Neuroscience, Erasmus MC, Rotterdam, the Netherlands
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
| | - Milen Angelov
- Department of Neuroscience, Erasmus MC, Rotterdam, the Netherlands
| | - Zhao Feng
- Research Unit of Multimodal Cross Scale Neural Signal Detection and Imaging, Chinese Academy of Medical Sciences, HUST-Suzhou Institute for Brainsmatics, JITRI, Suzhou, China
| | - Xiangning Li
- Research Unit of Multimodal Cross Scale Neural Signal Detection and Imaging, Chinese Academy of Medical Sciences, HUST-Suzhou Institute for Brainsmatics, JITRI, Suzhou, China
- State Key Laboratory of Digital Medical Engineering, School of Biomedical Engineering, Hainan University, Haikou, China
| | - Anan Li
- Research Unit of Multimodal Cross Scale Neural Signal Detection and Imaging, Chinese Academy of Medical Sciences, HUST-Suzhou Institute for Brainsmatics, JITRI, Suzhou, China
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China
| | - Yan Yang
- State Key Laboratory of Brain and Cognitive Sciences, Institute of Biophysics, Chinese Academy of Sciences, Beijing, China
- University of Chinese Academy of Sciences, Beijing, China
- Institute of Artificial Intelligence, Hefei Comprehensive National Science Center, Hefei, China
| | - Hui Gong
- Research Unit of Multimodal Cross Scale Neural Signal Detection and Imaging, Chinese Academy of Medical Sciences, HUST-Suzhou Institute for Brainsmatics, JITRI, Suzhou, China
- Britton Chance Center for Biomedical Photonics, Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, China
| | - Zhenyu Gao
- Department of Neuroscience, Erasmus MC, Rotterdam, the Netherlands.
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18
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Zahler SH, Taylor DE, Wright BS, Wong JY, Shvareva VA, Park YA, Feinberg EH. Hindbrain modules differentially transform activity of single collicular neurons to coordinate movements. Cell 2023; 186:3062-3078.e20. [PMID: 37343561 PMCID: PMC10424787 DOI: 10.1016/j.cell.2023.05.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/10/2023] [Accepted: 05/19/2023] [Indexed: 06/23/2023]
Abstract
Seemingly simple behaviors such as swatting a mosquito or glancing at a signpost involve the precise coordination of multiple body parts. Neural control of coordinated movements is widely thought to entail transforming a desired overall displacement into displacements for each body part. Here we reveal a different logic implemented in the mouse gaze system. Stimulating superior colliculus (SC) elicits head movements with stereotyped displacements but eye movements with stereotyped endpoints. This is achieved by individual SC neurons whose branched axons innervate modules in medulla and pons that drive head movements with stereotyped displacements and eye movements with stereotyped endpoints, respectively. Thus, single neurons specify a mixture of endpoints and displacements for different body parts, not overall displacement, with displacements for different body parts computed at distinct anatomical stages. Our study establishes an approach for unraveling motor hierarchies and identifies a logic for coordinating movements and the resulting pose.
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Affiliation(s)
- Sebastian H Zahler
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA; Neuroscience Graduate Program, University of California, San Francisco, San Francisco, CA 94143, USA
| | - David E Taylor
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA; Neuroscience Graduate Program, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Brennan S Wright
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA; Neuroscience Graduate Program, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Joey Y Wong
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Varvara A Shvareva
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Yusol A Park
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA
| | - Evan H Feinberg
- Department of Anatomy, University of California, San Francisco, San Francisco, CA 94143, USA; Neuroscience Graduate Program, University of California, San Francisco, San Francisco, CA 94143, USA; Kavli Institute for Fundamental Neuroscience, University of California, San Francisco, San Francisco, CA 94143, USA; Center for Integrative Neuroscience, University of California, San Francisco, San Francisco, CA 94143, USA.
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19
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Samonds JM, Szinte M, Barr C, Montagnini A, Masson GS, Priebe NJ. Mammals achieve common neural coverage of visual scenes using distinct sampling behaviors. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.20.533210. [PMID: 36993477 PMCID: PMC10055212 DOI: 10.1101/2023.03.20.533210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
Abstract
Most vertebrates use head and eye movements to quickly change gaze orientation and sample different portions of the environment with periods of stable fixation. Visual information must be integrated across several fixations to construct a more complete perspective of the visual environment. In concert with this sampling strategy, neurons adapt to unchanging input to conserve energy and ensure that only novel information from each fixation is processed. We demonstrate how adaptation recovery times and saccade properties interact, and thus shape spatiotemporal tradeoffs observed in the motor and visual systems of different species. These tradeoffs predict that in order to achieve similar visual coverage over time, animals with smaller receptive field sizes require faster saccade rates. Indeed, we find comparable sampling of the visual environment by neuronal populations across mammals when integrating measurements of saccadic behavior with receptive field sizes and V1 neuronal density. We propose that these mammals share a common statistically driven strategy of maintaining coverage of their visual environment over time calibrated to their respective visual system characteristics.
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20
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Jauch I, Kamm J, Benn L, Rettig L, Friederich HC, Tesarz J, Kuner T, Wieland S. 2MDR, a Microcomputer-Controlled Visual Stimulation Device for Psychotherapy-Like Treatments of Mice. eNeuro 2023; 10:10/6/ENEURO.0394-22.2023. [PMID: 37268421 DOI: 10.1523/eneuro.0394-22.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 02/16/2023] [Accepted: 02/27/2023] [Indexed: 06/04/2023] Open
Abstract
Post-traumatic stress disorder and other mental disorders can be treated by an established psychotherapy called Eye Movement Desensitization and Reprocessing (EMDR). In EMDR, patients are confronted with traumatic memories while they are stimulated with alternating bilateral stimuli (ABS). How ABS affects the brain and whether ABS could be adapted to different patients or mental disorders is unknown. Interestingly, ABS reduced conditioned fear in mice. Yet, an approach to systematically test complex visual stimuli and compare respective differences in emotional processing based on semiautomated/automated behavioral analysis is lacking. We developed 2MDR (MultiModal Visual Stimulation to Desensitize Rodents), a novel, open-source, low-cost, customizable device that can be integrated in and transistor-transistor logic (TTL) controlled by commercial rodent behavioral setups. 2MDR allows the design and precise steering of multimodal visual stimuli in the head direction of freely moving mice. Optimized videography allows semiautomatic analysis of rodent behavior during visual stimulation. Detailed building, integration, and treatment instructions along with open-source software provide easy access for inexperienced users. Using 2MDR, we confirmed that EMDR-like ABS persistently improves fear extinction in mice and showed for the first time that ABS-mediated anxiolytic effects strongly depend on physical stimulus properties such as ABS brightness. 2MDR not only enables researchers to interfere with mouse behavior in an EMDR-like setting, but also demonstrates that visual stimuli can be used as a noninvasive brain stimulation to differentially alter emotional processing in mice.
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Affiliation(s)
- Isa Jauch
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, 69120 Heidelberg, Germany
| | - Jan Kamm
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, 69120 Heidelberg, Germany
| | - Luca Benn
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, 69120 Heidelberg, Germany
| | - Lukas Rettig
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, 69120 Heidelberg, Germany
| | - Hans-Christoph Friederich
- Department of General Internal and Psychosomatic Medicine, Heidelberg University and Heidelberg University Hospital, 69115 Heidelberg, Germany
| | - Jonas Tesarz
- Department of General Internal and Psychosomatic Medicine, Heidelberg University and Heidelberg University Hospital, 69115 Heidelberg, Germany
| | - Thomas Kuner
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, 69120 Heidelberg, Germany
| | - Sebastian Wieland
- Department of Functional Neuroanatomy, Institute for Anatomy and Cell Biology, Heidelberg University, 69120 Heidelberg, Germany
- Department of General Internal and Psychosomatic Medicine, Heidelberg University and Heidelberg University Hospital, 69115 Heidelberg, Germany
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21
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Wheatcroft T, Saleem AB, Solomon SG. Functional Organisation of the Mouse Superior Colliculus. Front Neural Circuits 2022; 16:792959. [PMID: 35601532 PMCID: PMC9118347 DOI: 10.3389/fncir.2022.792959] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 03/07/2022] [Indexed: 11/30/2022] Open
Abstract
The superior colliculus (SC) is a highly conserved area of the mammalian midbrain that is widely implicated in the organisation and control of behaviour. SC receives input from a large number of brain areas, and provides outputs to a large number of areas. The convergence and divergence of anatomical connections with different areas and systems provides challenges for understanding how SC contributes to behaviour. Recent work in mouse has provided large anatomical datasets, and a wealth of new data from experiments that identify and manipulate different cells within SC, and their inputs and outputs, during simple behaviours. These data offer an opportunity to better understand the roles that SC plays in these behaviours. However, some of the observations appear, at first sight, to be contradictory. Here we review this recent work and hypothesise a simple framework which can capture the observations, that requires only a small change to previous models. Specifically, the functional organisation of SC can be explained by supposing that three largely distinct circuits support three largely distinct classes of simple behaviours-arrest, turning towards, and the triggering of escape or capture. These behaviours are hypothesised to be supported by the optic, intermediate and deep layers, respectively.
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Affiliation(s)
| | | | - Samuel G. Solomon
- Institute of Behavioural Neuroscience, University College London, London, United Kingdom
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