Samer Hattar
#12,520
Most Influential Person
Chronobiologist and a leader in the field of non-image forming photoreception
Why Is Samer Hattar Influential?
(Suggest an Edit or Addition)According to Wikipedia, Samer Hattar is a chronobiologist and a leader in the field of non-image forming photoreception. He is the Chief of the Section on Light and Circadian Rhythms at the National Institute of Mental Health, part of the National Institutes of Health. He was previously an associate professor in the Department of Neuroscience and the Department of Biology at Johns Hopkins University in Baltimore, MD. He is best known for his investigation into the role of melanopsin and intrinsically photosensitive retinal ganglion cells in the entrainment of circadian rhythms.
Samer Hattar's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Papers
- Melanopsin-Containing Retinal Ganglion Cells: Architecture, Projections, and Intrinsic Photosensitivity (2002) (2262)
- Melanopsin and rod–cone photoreceptive systems account for all major accessory visual functions in mice (2003) (1107)
- Central projections of melanopsin‐expressing retinal ganglion cells in the mouse (2006) (821)
- Diminished Pupillary Light Reflex at High Irradiances in Melanopsin-Knockout Mice (2003) (767)
- Melanopsin cells are the principal conduits for rod–cone input to non-image-forming vision (2008) (729)
- Light as a central modulator of circadian rhythms, sleep and affect (2014) (595)
- Melanopsin-Expressing Retinal Ganglion-Cell Photoreceptors: Cellular Diversity and Role in Pattern Vision (2010) (556)
- Intrinsically photosensitive retinal ganglion cells: many subtypes, diverse functions (2011) (455)
- Aberrant light directly impairs mood and learning through melanopsin-expressing neurons (2012) (388)
- Photoentrainment and pupillary light reflex are mediated by distinct populations of ipRGCs (2011) (353)
- Rods-cones and melanopsin detect light and dark to modulate sleep independent of image formation (2008) (235)
- Rod photoreceptors drive circadian photoentrainment across a wide range of light intensities (2010) (231)
- Distinct Roles of Transcription Factors Brn3a and Brn3b in Controlling the Development, Morphology, and Function of Retinal Ganglion Cells (2009) (228)
- Light Affects Mood and Learning through Distinct Retina-Brain Pathways (2018) (219)
- Melanopsin-Positive Intrinsically Photosensitive Retinal Ganglion Cells: From Form to Function (2011) (209)
- Impaired Masking Responses to Light in Melanopsin‐Knockout Mice (2003) (192)
- A Role for Melanopsin in Alpha Retinal Ganglion Cells and Contrast Detection (2014) (189)
- Melanopsin-Dependent Photoreception Provides Earliest Light Detection in the Mammalian Retina (2005) (183)
- Melanopsin-Dependent Nonvisual Responses: Evidence for Photopigment Bistability In Vivo (2007) (164)
- Melanopsin Regulates Visual Processing in the Mouse Retina (2006) (146)
- Intrinsically photosensitive retinal ganglion cells detect light with a vitamin A-based photopigment, melanopsin. (2005) (138)
- Lhx6-positive GABA-releasing neurons of the zona incerta promote sleep (2017) (121)
- Thyroid hormone signaling specifies cone subtypes in human retinal organoids (2018) (112)
- Architecture of retinal projections to the central circadian pacemaker (2016) (99)
- Mood, the Circadian System, and Melanopsin Retinal Ganglion Cells. (2017) (98)
- Diurnal mice (Mus musculus) and other examples of temporal niche switching (2005) (88)
- CRALBP supports the mammalian retinal visual cycle and cone vision. (2015) (83)
- M1 ipRGCs Influence Visual Function through Retrograde Signaling in the Retina (2016) (82)
- A Developmental Gene (Tolloid/BMP-1) Is Regulated inAplysia Neurons by Treatments that Induce Long-Term Sensitization (1997) (80)
- Lhx1 Controls Terminal Differentiation and Circadian Function of the Suprachiasmatic Nucleus (2014) (79)
- Regulation of prokineticin 2 expression by light and the circadian clock (2005) (79)
- Development of melanopsin-based irradiance detecting circuitry (2011) (78)
- Unexpected Diversity and Photoperiod Dependence of the Zebrafish Melanopsin System (2011) (74)
- Recurrent axon collaterals of intrinsically photosensitive retinal ganglion cells (2013) (72)
- A visual circuit uses complementary mechanisms to support transient and sustained pupil constriction (2016) (69)
- Thrombospondin-1 Mediates Axon Regeneration in Retinal Ganglion Cells (2019) (56)
- Distinct ipRGC subpopulations mediate light’s acute and circadian effects on body temperature and sleep (2018) (54)
- Expression of C1ql3 in Discrete Neuronal Populations Controls Efferent Synapse Numbers and Diverse Behaviors (2016) (53)
- Wnt5a is essential for hippocampal dendritic maintenance and spatial learning and memory in adult mice (2017) (53)
- T-box Transcription Regulator Tbr2 Is Essential for the Formation and Maintenance of Opn4/Melanopsin-Expressing Intrinsically Photosensitive Retinal Ganglion Cells (2014) (53)
- A subset of ipRGCs regulates both maturation of the circadian clock and segregation of retinogeniculate projections in mice (2017) (48)
- Multiple photoreceptors contribute to nonimage-forming visual functions predominantly through melanopsin-containing retinal ganglion cells. (2007) (48)
- Association of Outdoor Artificial Light at Night With Mental Disorders and Sleep Patterns Among US Adolescents. (2020) (47)
- Apoptosis Regulates ipRGC Spacing Necessary for Rods and Cones to Drive Circadian Photoentrainment (2013) (44)
- The circadian Clock mutant mouse: impaired masking response to light (2004) (34)
- Identification of Critical Phosphorylation Sites on the Carboxy Tail of Melanopsin (2014) (34)
- Atoh7-independent specification of retinal ganglion cell identity (2020) (29)
- Impaired Circadian Photosensitivity in Mice Lacking Glutamate Transmission from Retinal Melanopsin Cells (2015) (26)
- Retinal innervation tunes circuits that drive nonphotic entrainment to food (2020) (26)
- Circadian Health and Light: A Report on the National Heart, Lung, and Blood Institute’s Workshop (2018) (26)
- An LHX1-Regulated Transcriptional Network Controls Sleep/Wake Coupling and Thermal Resistance of the Central Circadian Clockworks (2017) (25)
- C-terminal phosphorylation regulates the kinetics of a subset of melanopsin-mediated behaviors in mice (2017) (24)
- Melanopsin Retinal Ganglion Cells Regulate Cone Photoreceptor Lamination in the Mouse Retina. (2018) (24)
- Intraocular Injection of ES Cell-Derived Neural Progenitors Improve Visual Function in Retinal Ganglion Cell-Depleted Mouse Models (2017) (23)
- Impaired Circadian Photoentrainment in Opn5-Null Mice (2018) (22)
- Abnormal wake/sleep pattern in a novel gain-of-function model of DISC1 (2016) (21)
- Hattar Projections , and Intrinsic Photosensitivity Melanopsin-Containing Retinal Ganglion Cells : Architecture (2012) (19)
- Photoreceptor regulation of spatial visual behavior. (2015) (19)
- A Robust Optomotor Assay for Assessing the Efficacy of Optogenetic Tools for Vision Restoration (2018) (15)
- Circadian regulation of a transcription factor, ApC/EBP, in the eye of Aplysia californica (2002) (15)
- The projections of ipRGCs and conventional RGCs to retinorecipient brain nuclei (2020) (14)
- Eye-Drops for Activation of DREADDs (2017) (14)
- Allosteric modulation of β-cell M3 muscarinic acetylcholine receptors greatly improves glucose homeostasis in lean and obese mice (2019) (13)
- Long days enhance recognition memory and increase insulin-like growth factor 2 in the hippocampus (2017) (13)
- Distinct contribution of cone photoreceptor subtypes to the mammalian biological clock (2021) (13)
- The retinal ipRGC-preoptic circuit mediates the acute effect of light on sleep (2021) (12)
- Asymmetric vasopressin signaling spatially organizes the master circadian clock (2018) (11)
- Retina-clock relations dictate nocturnal to diurnal behaviors (2008) (10)
- Diversity of satellite glia in sympathetic and sensory ganglia (2021) (10)
- Single molecule fluorescent in situ hybridization in the mouse retina (2017) (9)
- ipRGCs mediate ipsilateral pupil constriction (2013) (9)
- Identification of specific mRNAs affected by treatments producing long-term facilitation in Aplysia. (1998) (8)
- Phenotypic and functional characterization of Bst+/− mouse retina (2015) (8)
- RdgB2 is required for dim-light input into intrinsically photosensitive retinal ganglion cells (2015) (7)
- Anatomical and Behavioral Investigation of C1ql3 in the Mouse Suprachiasmatic Nucleus (2017) (7)
- Non-invasive Strategies for Chronic Manipulation of DREADD-controlled Neuronal Activity. (2019) (6)
- Melanopsin knock-out mice have abnormal refractive development and increased susceptibility to form-deprivation myopia. (2015) (6)
- A retinal projection to the iris mediates pupil constriction (2014) (5)
- Corrigendum: Lhx6-positive GABA-releasing neurons of the zona incerta promote sleep (2017) (3)
- Functions and Target Innervations of Distinct Subtypes of Melanopsin Cells (2009) (3)
- Sleep Deprivation Does not Change the Flash Electroretinogram in Wild-type and Opn4−/−Gnat1−/− Mice (2022) (2)
- Iprgcs Are Critical For The Proper Development Of The Circadian Clock (2012) (2)
- Diverse Brain Targets of Melanopsin–Expressing Retinal Ganglion Cells (2004) (2)
- Multiple Morphological Types of Melanopsin Ganglion Cells with Distinct Light Responses and Axonal Targets (2008) (2)
- Author response: A subset of ipRGCs regulates both maturation of the circadian clock and segregation of retinogeniculate projections in mice (2017) (2)
- Satellite glia modulate sympathetic neuron survival, activity, and autonomic function (2022) (2)
- Melanopsin-Dependent Non-Visual Responses by Light : Evidence for Photopigment Bistability in vivo (2007) (2)
- Circadian and Light Modulation of Behavior (2009) (1)
- Melanopsin-expressing Retinal Ganglion Cells Mediate Light Modulation Of Cognitive Functions And Mood Related Behaviors (2011) (1)
- Intraretinal Aaxon Collaterals of Melanopsin Cells in Primate and Mouse Suggest a Novel Synaptic Pathway for Feedback of Irradiance Information to the Retina (2011) (1)
- Genetic Ablation of Melanopsin-Containing Retinal Ganglion Cells Severely Attenuates Light-Dependent Physiological Functions (2007) (1)
- Retinal and brain circuits underlying the effects of light on behavior (2018) (1)
- Light Has Diverse Spatiotemporal Molecular Changes in the Mouse Suprachiasmatic Nucleus (2020) (1)
- Chronic Circadian Misalignment without Circadian Arrhythmicity or Sleep Deprivation Does Not Impair Adult Hippocampal Neurogenesis (2017) (1)
- Role for melanopsin in alpha retinal ganglion cell physiology and contrast detection (2013) (1)
- Melanopsin Drives Acute Light-Dependent Changes in Body Temperature Against Cone-Mediated Inhibition (2011) (1)
- Abstracts from the 15th International Myopia Conference (2016) (1)
- Divergent outer retinal circuits drive image and non-image visual behaviors (2022) (1)
- Use of Environmental Light Cycles to Distinguish Circadian Regulation from Direct Light Modulation of Learning and Mood (2010) (1)
- Understanding the Complexity of ipRGCs Targeting and Functions (2010) (1)
- G-protein Signaling in Melanopsin-containing Retinal Ganglion Cells (2009) (1)
- Intrinsically Photosensitive Retinal Ganglion Cells Detect Light With a Vitamin A–Based Photopigment That is Most Likely Melanopsin (2005) (0)
- RGC differentiation from ES cells: Influence of FGF2 and Notch signalling (2013) (0)
- Robust visual cortex evoked potentials (VEP) in Gnat1 and Gnat2 knockout mice (2022) (0)
- Photic Regulation of Circadian Rhythms and Voluntary Ethanol Intake: Role of Melanopsin-expressing Intrinsically Photosensitive Retinal Ganglion Cells (2020) (0)
- Developmental Loss of ipRGCs Causes a Lengthened Free-running Circadian Period (2011) (0)
- Determining the Retinal Circuitry that drives Circadian Photoentrainment (2013) (0)
- Genetic dissection of retinal circuits underlying the pupillary light reflex (2014) (0)
- Dendritic Stratification of Intrinsically Photosensitive Retinal Ganglion Cells During Postnatal Retinal Development (2013) (0)
- Delivery of epidermal neural crest stem cells (EPI-NCSCs) in the hippocampus of Alzheimer's rat model (2012) (0)
- The Functional Properties of the G Protein-Coupled Receptor Melanopsin in Intrinsically Photosensitive Retinal Ganglion Cells (2014) (0)
- Overturning the role of Math5 in Retinal Ganglion Cell Specification (2017) (0)
- ipRGCs utilize non-overlapping circuits to drive phase shifts, masking and circadian photoentrainment (2017) (0)
- Intraretinal Axon Collaterals of Melanopsin Cells in Primate and Mouse Terminated in the Inner Plexiform Layer (2012) (0)
- Possible Role for Melanopsin in Photoentrainment of the Circadian Clock in Rodents (2002) (0)
- C-terminal phosphorylation of mouse melanopsin regulates the kinetics of a subset of melanopsin mediated behaviors in mice (2017) (0)
- Distinct Patterns of Retinal Expression from Five Zebrafish Melanopsin-related Genes (2009) (0)
- Development and Targeting of Melanopsin-Expressing Retinal Ganglion Cells and Their Projections in the Mouse (2007) (0)
- Light affects mood through a novel retina-brain circuit (2017) (0)
- Arnold Eskin (2021) (0)
- Combinatorial Measurement of Sleep and Wheel Running Activity to Examine the Interaction Between Light and Drug Administration in Mice (2010) (0)
- Neurogenic potential of dental pulp stem cells (2012) (0)
- The Transcription Factor Math5 is Involved in the Development of Only a Subset of iprgcs (2012) (0)
- Breaking the rules - Atypical photoreceptors with diverse functions (2011) (0)
- ipRGCs regulate the development of the circadian pacemaker and vision (2013) (0)
- Light as a regulator of vascular regression (2011) (0)
- Satellite glia are essential modulators of sympathetic neuron survival, activity, and autonomic function (2021) (0)
- AM Tbr 2 is necessary and sufficient for the specification and maintenance of non-image forming RGCs (2017) (0)
- A genetic watchmaker: Control of the development and function of the hypothalamic suprachiasmatic nuclues by Lhx1 (2012) (0)
- Development and Functional Connections of Melanopsin Expressing Retinal Ganglion Cells in the Mouse (2009) (0)
- CRALBP is required for the function of the mammalian retina visual cycle and normal M-cone vision (2015) (0)
- Retinal circuits driving a non-image forming visual behavior (2020) (0)
- Role of Rod, Cone and Melanopsin–Containing Retinal Ganglion Cells in Light Detection for Non–Image–Forming Visual Functions (2005) (0)
- Role for intrinsically photosensitive retinal ganglion cells in modulating dopaminergic amacrine cell development (2014) (0)
- Apoptosis Regulates Iprgc Spacing And Rod-cone Signaling For Circadian Photoentrainment (2012) (0)
- The contribution of outer retinal photoreceptors, rods and cones, to circadian photoentrainment (2009) (0)
- Melanopsin Expressing Retinal Ganglion Cells Develop Partially Independent of Math5 (2010) (0)
- Diversity of Melanopsin-Expressing Cells in the Zebrafish Retina (2010) (0)
- How do rods and cones signal light information for non‐image‐forming visual functions? (2007) (0)
- Light Information Influences Cognitive Functions via Intrinsically Photosensitive Retinal Ganglion Cells (2010) (0)
- Individual Contribution of Rods and Cones to Circadian Photoentrainment (2009) (0)
- Brn3b Expression Defines Functional Specialization Of Melanopsin-expressing Retinal Ganglion Cells (2011) (0)
- Light-Dependent Phosphorylation of Melanopsin in vitro (2009) (0)
- Regulation of ipRGCs by Tbr2 (2013) (0)
- Daily changes in light influence mood via inhibitory networks within the thalamic perihabenular nucleus (2022) (0)
- Programmed Cell Death Influences the Spacing and Function of ipRGCs (2010) (0)
- The Transcription Factor Math5 Is Not Required For Specification Of A Subset Of Retinal Ganglion Cells (2014) (0)
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