Walking Modulates Speed Sensitivity in Drosophila Motion Vision.
Curr Biol. 2010 Aug 24;20(16):1470-1475
Authors: Chiappe ME, Seelig JD, Reiser MB, Jayaraman V
Changes in behavioral state modify neur… . . . → Read More: Walking Modulates Speed Sensitivity in Drosophila Motion Vision.
Specific Dopaminergic Neurons for the Formation of Labile Aversive Memory.
Curr Biol. 2010 Aug 24;20(16):1445-1451
Authors: Aso Y, Siwanowicz I, BrÃ¤cker L, Ito K, Kitamoto T, Tanimoto H
A paired p… . . . → Read More: Specific Dopaminergic Neurons for the Formation of Labile Aversive Memory.
An Olfactory Subsystem that Detects Carbon Disulfide and Mediates Food-Related Social Learning.
Curr Biol. 2010 Aug 24;20(16):1438-1444
Authors: Munger SD, Leinders-Zufall T, McDougall LM, Cockerham RE, Schm… . . . → Read More: An Olfactory Subsystem that Detects Carbon Disulfide and Mediates Food-Related Social Learning.
Bicaudal-D Regulates Fragile X Mental Retardation Protein Levels, Motility, and Function during Neuronal Morphogenesis.
Curr Biol. 2010 Aug 24;20(16):1487-1492
Authors: Bianco A, Dienstbier M, Salter HK, Gat… . . . → Read More: Bicaudal-D Regulates Fragile X Mental Retardation Protein Levels, Motility, and Function during Neuronal Morphogenesis.
Experience-Driven Plasticity in Binocular Vision.
Curr Biol. 2010 Aug 24;20(16):1464-1469
Authors: Klink PC, Brascamp JW, Blake R, van Wezel RJ
Experience-driven neuronal plasticity allows the brain … . . . → Read More: Experience-Driven Plasticity in Binocular Vision.
Visceral-Locomotory Pistoning in Crawling Caterpillars.
Curr Biol. 2010 Aug 24;20(16):1458-1463
Authors: Simon MA, Woods WA, Serebrenik YV, Simon SM, van Griethuijsen LI, Socha JJ, Lee WK, Trimmer BA
… . . . → Read More: Visceral-Locomotory Pistoning in Crawling Caterpillars.
Neurophysiology: Recording from Neurons in Action.
Curr Biol. 2010 Aug 24;20(16):R679-R680
Authors: Borst A
Sensory neurons have mostly been studied in fixed animals, but how do they behave when the … . . . → Read More: Neurophysiology: Recording from Neurons in Action.
Olfaction modulates visual perception in binocular rivalry.
Curr Biol. 2010 Aug 10;20(15):1356-8
Authors: Zhou W, Jiang Y, He S, Chen D
Vision is widely accepted as the dominant sense in larger prima… . . . → Read More: Olfaction modulates visual perception in binocular rivalry.
Visual sensitivity underlying changes in visual consciousness.
Curr Biol. 2010 Aug 10;20(15):1362-7
Authors: Alais D, Cass J, O’Shea RP, Blake R
When viewing a different stimulus with each eye, we experience the rem… . . . → Read More: Visual sensitivity underlying changes in visual consciousness.
Others’ actions reduce crossmodal integration in peripersonal space.
Curr Biol. 2010 Aug 10;20(15):1345-9
Authors: Heed T, Habets B, Sebanz N, Knoblich G
Specific mechanisms integrate visual-tactile … . . . → Read More: Others’ actions reduce crossmodal integration in peripersonal space.
The hippocampus plays a selective role in the retrieval of detailed contextual memories.
Curr Biol. 2010 Aug 10;20(15):1336-44
Authors: Wiltgen BJ, Zhou M, Cai Y, Balaji J, Karlsson MG, Parivash SN, Li W, Si… . . . → Read More: The hippocampus plays a selective role in the retrieval of detailed contextual memories.
Spontaneous brain rhythms predict sleep stability in the face of noise.
Curr Biol. 2010 Aug 10;20(15):R626-7
Authors: Dang-Vu TT, McKinney SM, Buxton OM, Solet JM, Ellenbogen JM
Quality sleep is an e… . . . → Read More: Spontaneous brain rhythms predict sleep stability in the face of noise.
Visual consciousness: the binocular rivalry explosion.
Curr Biol. 2010 Aug 10;20(15):R644-6
Authors: Baker DH
A new behavioural technique solves a long-standing puzzle of binocular suppression, demon… . . . → Read More: Visual consciousness: the binocular rivalry explosion.
Axonal transport: CDKs as traffic signals for motor-ists along the axon?
Curr Biol. 2010 Aug 10;20(15):R641-2
Authors: Holzbaur E
A screen for axonal cargo mislocalization in Caenorhabditis elegans n… . . . → Read More: Axonal transport: CDKs as traffic signals for motor-ists along the axon?
Sensory learning: rapid extraction of meaning from noise.
Curr Biol. 2010 Aug 10;20(15):R643-4
Authors: Seitz AR
Recent studies show that humans can rapidly learn to differentiate originally meaningl… . . . → Read More: Sensory learning: rapid extraction of meaning from noise.
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Elena Azañón, Matthew R. Longo, Salvador Soto-Faraco, Patrick Haggard
Localizing tactile events in external space is required for essential functions such as orienting, haptic exploration, and goal-directed action in peripersonal space. In order to map somatosensory input into a spatiotopic representation, information about skin location must be integrated with proprioceptive information . . . → Read More: The Posterior Parietal Cortex Remaps Touch into External Space
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Katrin Stapput, Onur Güntürkün, Klaus-Peter Hoffmann, Roswitha Wiltschko, Wolfgang Wiltschko
The magnetic compass orientation of birds is light dependent [1,2]. The respective directional information, originating in radical pair processes [3,4,5], is mediated by the right eye . These findings suggest possible interactions between magnetoreception and vision, in particular with the perception of contours, . . . → Read More: Magnetoreception of Directional Information in Birds Requires Nondegraded Vision
Joana Enes, Nicole Langwieser, Jörg Ruschel, Melissa M. Carballosa-Gonzalez, Achim Klug, Matthias H. Traut, Bhavna Ylera, Sabina Tahirovic, Franz Hofmann, Valentin Stein, Sven Moosmang, Ian D. Hentall, Frank Bradke. BackgroundPrimary sensory neurons o… . . . → Read More: Electrical Activity Suppresses Axon Growth through Cav1.2 Channels in Adult Primary Sensory Neurons
Zhi-Lei Zhang, Christopher R.L. Cantor, Clifton M. Schor. When an object is viewed binocularly, unequal perspective projections of the two eyes’ half images (binocular disparity) provide a cue for the sensation of stereo depth. For almost 200 years, … . . . → Read More: Perisaccadic Stereo Depth with Zero Retinal Disparity
Jayne M. Gardiner, Jelle Atema. The direction of an odor signal source can be estimated from bilateral differences in signal intensity and/or arrival time. The best-known examples of the use of arrival time differences are in ac…. . . . → Read More: The Function of Bilateral Odor Arrival Time Differences in Olfactory Orientation of Sharks
Xiangzhong Zheng, Amita Sehgal. The circadian clock coordinates cellular and organismal energy metabolism . The importance of this circadian timing system is underscored by findings that defects in the clock cause deregulatio…. . . . → Read More: AKT and TOR Signaling Set the Pace of the Circadian Pacemaker
Alex C. Keene, Erik R. Duboué, Daniel M. McDonald, Monica Dus, Greg S.B. Suh, Scott Waddell, Justin Blau. Neural systems controlling the vital functions of sleep and feeding in mammals are tightly interconnected: sleep deprivation promotes feeding, wh… . . . → Read More: Clock and cycle Limit Starvation-Induced Sleep Loss in Drosophila
Timothy D. Griffiths, Sukhbinder Kumar, William Sedley, Kirill V. Nourski, Hiroto Kawasaki, Hiroyuki Oya, Roy D. Patterson, John F. Brugge, Matthew A. Howard. Pitch is a fundamental percept with a complex relationship to the associated sound structure … . . . → Read More: Direct Recordings of Pitch Responses from Human Auditory Cortex
Jay P. Slack, Anne Brockhoff, Claudia Batram, Susann Menzel, Caroline Sonnabend, Stephan Born, Maria Mercedes Galindo, Susann Kohl, Sophie Thalmann, Liliana Ostopovici-Halip, Christopher T. Simons, Ioana Ungureanu, Kees Duineveld, Cristian G. Bologa, M… . . . → Read More: Modulation of Bitter Taste Perception by a Small Molecule hTAS2R Antagonist
Rhian F. Walther, Franck Pichaud. BackgroundIn Drosophila epithelial cells, specification and maintenance of the zonula adherens (za) is crucial to ensure epithelial tissue integrity. This depends on the intertwined functio…. . . . → Read More: Crumbs/DaPKC-Dependent Apical Exclusion of Bazooka Promotes Photoreceptor Polarity Remodeling
Ryota Uehara, Gohta Goshima, Issei Mabuchi, Ronald D. Vale, James A. Spudich, Eric R. Griffis. Myosin II is an essential component of the contractile ring that divides the cell during cytokinesis. Previous work showed that regulatory light chain (RLC) … . . . → Read More: Determinants of Myosin II Cortical Localization during Cytokinesis
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Tatiana Stepanova, Ihor Smal, Jeffrey van Haren, Umut Akinci, Zhe Liu, Marja Miedema, Ronald Limpens, Marco van Ham, Michael van der Reijden, Raymond Poot, Frank Grosveld, Mieke Mommaas, Erik Meijering, Niels Galjart
In Chinese hamster ovary cells, microtubules originate at the microtubule organizing center (MTOC) and grow persistently toward the . . . → Read More: History-Dependent Catastrophes Regulate Axonal Microtubule Behavior
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Paul D. Barnett, Karin Nordström, David C. O’Carroll
Estimating relative velocity in the natural environment is challenging because natural scenes vary greatly in contrast and spatial structure. Widely accepted correlation-based models for elementary motion detectors (EMDs) are sensitive to contrast and spatial structure and consequently generate ambiguous estimates of velocity. Identified . . . → Read More: Motion Adaptation and the Velocity Coding of Natural Scenes
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Dominique Seetapun, David J. Odde
Breaking cell symmetry, known as polarization, requires dynamic reorganization of microtubules (MTs) and is essential to many cellular processes, including axon formation in neurons. A critical step in polarization is believed to be the “selective stabilization” of MTs, which hypothesizes a spatial and/or temporal shift . . . → Read More: Cell-Length-Dependent Microtubule Accumulation during Polarization
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Bader Al-Anzi, Elena Armand, Paul Nagamei, Margaret Olszewski, Viveca Sapin, Christopher Waters, Kai Zinn, Robert J. Wyman, Seymour Benzer
Total food intake is a function of meal size and meal frequency, and adjustments to these parameters allow animals to maintain a stable energy balance in changing environmental conditions. The physiological mechanisms . . . → Read More: The Leucokinin Pathway and Its Neurons Regulate Meal Size in Drosophila
Gorana Pobric, Elizabeth Jefferies, Matthew A. Lambon Ralph
Semantic cognition permits us to bring meaning to our verbal and nonverbal experiences and to generate context- and time-appropriate behavior [1,2]. It is core to language and nonverbal skilled behaviors and, when impaired after brain damage, it generates significant disability . A fundamental neuroscience . . . → Read More: Category-Specific versus Category-General Semantic Impairment Induced by Transcranial Magnetic Stimulation
John A. Bender, Alan J. Pollack, Roy E. Ritzmann
Animals negotiating complex natural terrain must consider cues around them and alter movement parameters accordingly [1, 2,1, 2]. In the arthropod brain, the central complex (CC) receives bilateral sensory relays and sits immediately upstream of premotor areas, suggesting that it may be involved in the . . . → Read More: Neural Activity in the Central Complex of the Insect Brain Is Linked to Locomotor Changes
Bram-Ernst Verhoef, Rufin Vogels, Peter Janssen
One of the fundamental goals of neuroscience is to understand how perception arises from the activity of neurons in the brain . Stereopsis is a type of three-dimensional (3D) perception that relies on two slightly different projections of the world onto the retinas of the two eyes, i.e., . . . → Read More: Contribution of Inferior Temporal and Posterior Parietal Activity to Three-Dimensional Shape Perception
Tianmiao Hua, Pinglei Bao, Chang-Bing Huang, Zhenhua Wang, Jinwang Xu, Yifeng Zhou, Zhong-Lin Lu
Perceptual learning has been documented in adult humans over a wide range of tasks. Although the often-observed specificity of learning is generally interpreted as evidence for training-induced plasticity in early cortical areas, physiological evidence for training-induced changes in . . . → Read More: Perceptual Learning Improves Contrast Sensitivity of V1 Neurons in Cats
Yigal Agam, Hesheng Liu, Alexander Papanastassiou, Calin Buia, Alexandra J. Golby, Joseph R. Madsen, Gabriel Kreiman
We can recognize objects in complex images in a fraction of a second [1,2,3]. Neuronal responses in macaque areas V4 and inferior temporal cortex [4,5,6,7,8,9,10,11,12,13,14,15] to preferred stimuli are typically suppressed by the addition of other objects within . . . → Read More: Robust Selectivity to Two-Object Images in Human Visual Cortex
Erin J. Wamsley, Matthew Tucker, Jessica D. Payne, Joseph A. Benavides, Robert Stickgold
It is now well established that postlearning sleep is beneficial for human memory performance [1,2,3,4,5]. Meanwhile, human and animal studies have demonstrated that learning-related neural activity is re-expressed during posttraining nonrapid eye movement (NREM) sleep [6,7,8,9]. NREM sleep processes . . . → Read More: Dreaming of a Learning Task Is Associated with Enhanced Sleep-Dependent Memory Consolidation
Ryan Schindel, Derek H. Arnold
Retinal image size is not the sole determinant of the apparent size of objects. Rather, viewing distance is taken into account when determining apparent size [1,2,3], so images of the same physical dimensions can appear to represent different-sized objects. Here, we take advantage of this to . . . → Read More: Visual Sensitivity Can Scale with Illusory Size Changes
Tetsuya Nojima, Ken-ichi Kimura, Masayuki Koganezawa, Daisuke Yamamoto
Synapses mediate inductive interactions for the proper development of pre- and postsynaptic cells: presynaptic electrical activities and synaptic transmission ensure the organization of postsynaptic structures, whereas neurotrophins produced in postsynaptic cells support the survival and enlargement of presynaptic partners . In Drosophila, a motor . . . → Read More: Neuronal Synaptic Outputs Determine the Sexual Fate of Postsynaptic Targets
Amy M. Ni, John H.R. Maunsell
Behavioral performance depends on the activity of neurons in sensory cortex, but little is known about the brain’s capacity to access specific neuronal signals to guide behavior. Even the individual sensory neurons that are most sensitive to a relevant stimulus are only weakly correlated with behavior [1, . . . → Read More: Microstimulation Reveals Limits in Detecting Different Signals from a Local Cortical Region
Magdalene Michael, Anne Vehlow, Christel Navarro, Matthias Krause
Tight regulation of cell motility is essential for many physiological processes, such as formation of a functional nervous system and wound healing. Drosophila Abl negatively regulates the actin cytoskeleton effector protein Ena during neuronal development in flies, and it has been postulated that this may . . . → Read More: c-Abl, Lamellipodin, and Ena/VASP Proteins Cooperate in Dorsal Ruffling of Fibroblasts and Axonal Morphogenesis