Published in J Neurosci on October 01, 2008
Sleep state switching. Neuron (2010) 4.94
Control of sleep and wakefulness. Physiol Rev (2012) 3.06
Insomnia with objective short sleep duration: the most biologically severe phenotype of the disorder. Sleep Med Rev (2013) 2.41
(Mis)perception of sleep in insomnia: a puzzle and a resolution. Psychol Bull (2011) 1.59
Sleep disturbance as transdiagnostic: consideration of neurobiological mechanisms. Clin Psychol Rev (2010) 1.48
Locus ceruleus and anterior cingulate cortex sustain wakefulness in a novel environment. J Neurosci (2010) 1.11
Differential effects of controllable and uncontrollable footshock stress on sleep in mice. Sleep (2010) 1.05
Increased Rostral Anterior Cingulate Cortex Volume in Chronic Primary Insomnia. Sleep (2013) 1.04
Sleep deprivation triggers inducible nitric oxide-dependent nitric oxide production in wake-active basal forebrain neurons. J Neurosci (2010) 1.01
Reduced γ-aminobutyric acid in occipital and anterior cingulate cortices in primary insomnia: a link to major depressive disorder? Neuropsychopharmacology (2012) 0.99
Increased insula coactivation with salience networks in insomnia. Biol Psychol (2014) 0.97
A promoter polymorphism in the Per3 gene is associated with alcohol and stress response. Transl Psychiatry (2012) 0.96
Role of the basal ganglia in the control of sleep and wakefulness. Curr Opin Neurobiol (2013) 0.96
Behavioral and biochemical dissociation of arousal and homeostatic sleep need influenced by prior wakeful experience in mice. Proc Natl Acad Sci U S A (2013) 0.96
Preproglucagon (PPG) neurons innervate neurochemically identified autonomic neurons in the mouse brainstem. Neuroscience (2012) 0.96
A Neurobiological Model of Insomnia. Drug Discov Today Dis Models (2011) 0.92
Cortical GABA levels in primary insomnia. Sleep (2012) 0.92
Enhanced frontoparietal synchronized activation during the wake-sleep transition in patients with primary insomnia. Sleep (2012) 0.88
Regional homogeneity changes in patients with primary insomnia. Eur Radiol (2015) 0.87
Relaxin' the brain: a case for targeting the nucleus incertus network and relaxin-3/RXFP3 system in neuropsychiatric disorders. Br J Pharmacol (2016) 0.86
Glucocorticoid receptors in the locus coeruleus mediate sleep disorders caused by repeated corticosterone treatment. Sci Rep (2015) 0.85
Insomnia and its impact on physical and mental health. Curr Psychiatry Rep (2013) 0.84
Insomnia with Short Sleep Duration: Nosological, Diagnostic, and Treatment Implications. Sleep Med Clin (2013) 0.84
A selective orexin-1 receptor antagonist attenuates stress-induced hyperarousal without hypnotic effects. J Pharmacol Exp Ther (2015) 0.83
Chronic stress may facilitate the recruitment of habit- and addiction-related neurocircuitries through neuronal restructuring of the striatum. Neuroscience (2014) 0.83
The pathophysiology of insomnia. Chest (2015) 0.82
Animal models of sleep disorders. Comp Med (2013) 0.82
Insomnia is Associated with Cortical Hyperarousal as Early as Adolescence. Sleep (2016) 0.82
Multiple sleep alterations in mice lacking cannabinoid type 1 receptors. PLoS One (2014) 0.80
Orexin neuropeptides contribute to the development and persistence of generalized avoidance behavior in the rat. Psychopharmacology (Berl) (2014) 0.79
Stimulation of the Pontine Parabrachial Nucleus Promotes Wakefulness via Extra-thalamic Forebrain Circuit Nodes. Curr Biol (2016) 0.79
The natural history of insomnia: acute insomnia and first-onset depression. Sleep (2014) 0.79
Insomnia Caused by Serotonin Depletion is Due to Hypothermia. Sleep (2015) 0.79
The sleep-promoting and hypothermic effects of glycine are mediated by NMDA receptors in the suprachiasmatic nucleus. Neuropsychopharmacology (2014) 0.78
Equivalent effects of acute tryptophan depletion on REM sleep in ecstasy users and controls. Psychopharmacology (Berl) (2009) 0.77
Increased insular connectivity with emotional regions in primary insomnia patients: a resting-state fMRI study. Eur Radiol (2017) 0.77
Neurochemical Changes Associated with Stress-Induced Sleep Disturbance in Rats: In Vivo and In Vitro Measurements. PLoS One (2016) 0.76
Sleep-Wake Differences in Relative Regional Cerebral Metabolic Rate for Glucose among Patients with Insomnia Compared with Good Sleepers. Sleep (2016) 0.76
The epworth sleepiness scale in the assessment of sleep disturbance in veterans with tinnitus. Int J Otolaryngol (2015) 0.76
The effects of acute stress-induced sleep disturbance on acoustic trauma-induced tinnitus in rats. Biomed Res Int (2014) 0.76
More Severe Insomnia Complaints in People with Stronger Long-Range Temporal Correlations in Wake Resting-State EEG. Front Physiol (2016) 0.75
Sleep Quality Among Latino Farmworkers in North Carolina: Examination of the Job Control-Demand-Support Model. J Immigr Minor Health (2016) 0.75
GABAergic Neurons of the Central Amygdala Promote Cataplexy. J Neurosci (2017) 0.75
Selective Inhibition of Orexin-2 Receptors Prevents Stress-Induced ACTH Release in Mice. Front Behav Neurosci (2017) 0.75
Sleep-inducing effect of substance P-cholera toxin A subunit in mice. Neurosci Lett (2017) 0.75
Contributions of the amygdala to emotion processing: from animal models to human behavior. Neuron (2005) 10.49
Narcolepsy in orexin knockout mice: molecular genetics of sleep regulation. Cell (1999) 9.84
Behavioral correlates of activity in identified hypocretin/orexin neurons. Neuron (2005) 4.72
A putative flip-flop switch for control of REM sleep. Nature (2006) 4.67
Prefrontal executive and cognitive functions in rodents: neural and neurochemical substrates. Neurosci Biobehav Rev (2004) 4.38
The sleep switch: hypothalamic control of sleep and wakefulness. Trends Neurosci (2001) 4.33
Discharge of identified orexin/hypocretin neurons across the sleep-waking cycle. J Neurosci (2005) 3.53
Sleep disturbance as the hallmark of posttraumatic stress disorder. Am J Psychiatry (1989) 3.18
The role of corticotropin-releasing factor in depression and anxiety disorders. J Endocrinol (1999) 3.10
Fos expression in orexin neurons varies with behavioral state. J Neurosci (2001) 3.08
Functional neuroimaging evidence for hyperarousal in insomnia. Am J Psychiatry (2004) 2.87
Psychophysiological insomnia: the behavioural model and a neurocognitive perspective. J Sleep Res (1997) 2.85
The distribution of methionine-enkephalin and leucine-enkephalin in the brain and peripheral tissues. Br J Pharmacol (1977) 2.59
Effect of lesions of the ventrolateral preoptic nucleus on NREM and REM sleep. J Neurosci (2000) 2.51
The physiology of brain histamine. Prog Neurobiol (2001) 2.45
Basic organization of projections from the oval and fusiform nuclei of the bed nuclei of the stria terminalis in adult rat brain. J Comp Neurol (2001) 2.45
Interaction between the corticotropin-releasing factor system and hypocretins (orexins): a novel circuit mediating stress response. J Neurosci (2004) 2.13
Chronic insomnia and activity of the stress system: a preliminary study. J Psychosom Res (1998) 2.06
Beta/Gamma EEG activity in patients with primary and secondary insomnia and good sleeper controls. Sleep (2001) 1.91
The extended amygdala: are the central nucleus of the amygdala and the bed nucleus of the stria terminalis differentially involved in fear versus anxiety? Ann N Y Acad Sci (1999) 1.85
Insomnia: conceptual issues in the development, persistence, and treatment of sleep disorder in adults. Annu Rev Psychol (2002) 1.77
Insomnia: epidemiology, characteristics, and consequences. Clin Cornerstone (2003) 1.72
Mechanisms and mediators of psychological stress-induced rise in core temperature. Psychosom Med (2001) 1.62
Hyperarousal and insomnia. Sleep Med Rev (1997) 1.59
A detailed mapping of the histamine H(3) receptor and its gene transcripts in rat brain. Neuroscience (2002) 1.58
Spectral characteristics of sleep EEG in chronic insomnia. Eur J Neurosci (1998) 1.52
The locus coeruleus: a cytoarchitectonic, Golgi and immunohistochemical study in the albino rat. Brain Res (1976) 1.46
Distribution of cholinergic neurons in rat brain: demonstrated by the immunocytochemical localization of choline acetyltransferase. J Comp Neurol (1983) 1.44
Bed nucleus of the stria terminalis: cytoarchitecture, immunohistochemistry, and projection to the parabrachial nucleus in the rat. J Comp Neurol (1989) 1.42
Effects of saporin-induced lesions of three arousal populations on daily levels of sleep and wake. J Neurosci (2007) 1.40
Ventrolateral preoptic nucleus contains sleep-active, galaninergic neurons in multiple mammalian species. Neuroscience (2002) 1.38
High-frequency gamma electroencephalogram activity in association with sleep-wake states and spontaneous behaviors in the rat. Neuroscience (1997) 1.32
Prefrontal cortical regulation of hypothalamic-pituitary-adrenal function in the rat and implications for psychopathology: side matters. Psychoneuroendocrinology (2001) 1.31
Evidence for histaminergic arousal mechanisms in the hypothalamus of cat. Neuropharmacology (1988) 1.29
Sleep and its disorders. Annu Rev Med (1999) 1.23
A.E. Bennett Research Award. Anatomic basis for differential regulation of the rostrolateral peri-locus coeruleus region by limbic afferents. Biol Psychiatry (1999) 1.21
Modulation of neurotransmitter release via histamine H3 heteroreceptors. Fundam Clin Pharmacol (1994) 1.20
Possible involvement of orexin in the stress reaction in rats. Biochem Biophys Res Commun (2000) 1.18
Centrally administered orexin/hypocretin activates HPA axis in rats. Neuroreport (2000) 1.18
Homeostatic regulation of sleep: a role for preoptic area neurons. J Neurosci (2006) 1.16
Stress-induced changes in sleep in rodents: models and mechanisms. Neurosci Biobehav Rev (2007) 1.13
A rodent model of sleep disturbances in posttraumatic stress disorder: the role of context after fear conditioning. Biol Psychiatry (2005) 1.12
The neuronal organization of the supracapsular part of the stria terminalis in the rat: the dorsal component of the extended amygdala. Neuroscience (1998) 1.10
EEG power spectra in sleep-onset insomnia. Electroencephalogr Clin Neurophysiol (1986) 1.05
Wake-related activity of tuberomammillary neurons in rats. Brain Res (2003) 1.02
Electrophysiological changes during the sleep onset period of psychophysiological insomniacs, psychiatric insomniacs, and normal sleepers. Sleep (1997) 1.02
Changes in EEG power density during sleep laboratory adaptation. Sleep (1997) 1.01
Temporal and stagewise distribution of high frequency EEG activity in patients with primary and secondary insomnia and in good sleeper controls. J Sleep Res (2001) 0.98
Vomeronasal and olfactory pathways to the amygdala controlling male hamster sexual behavior: autoradiographic and behavioral analyses. Brain Res (1982) 0.98
Fear-conditioned suppression of REM sleep: relationship to Fos expression patterns in limbic and brainstem regions in BALB/cJ mice. Brain Res (2003) 0.97
The EEG of the sleep onset period in insomnia: a discriminant analysis. Physiol Behav (1992) 0.97
Origin of neuronal inputs to the region of the tuberomammillary nucleus of the rat brain. J Comp Neurol (1991) 0.96
Future directions in the management of insomnia. J Clin Psychiatry (2001) 0.94
The sleep-wake switch: A neuronal alarm clock. Nat Med (2000) 0.93
Insomnia following hypocretin2-saporin lesions of the substantia nigra. Neuroscience (2005) 0.89
Serotonergic and non-serotonergic projections from the raphe nuclei to the piriform cortex in the rat: a cholera toxin B subunit (CTb) and 5-HT immunohistochemical study. Brain Res (1995) 0.86
Medications for the Treatment of Sleep Disorders: An Overview. Prim Care Companion J Clin Psychiatry (2001) 0.86
Reaction of sleep-wakefulness cycle to stress is related to differences in hypothalamo-pituitary-adrenal axis reactivity in rat. Brain Res (1998) 0.85
A translational, caffeine-induced model of onset insomnia in rats and healthy volunteers. Psychopharmacology (Berl) (2007) 0.85
Effects of short-acting hypnotics on sleep latency in rats placed on grid suspended over water. Eur J Pharmacol (2003) 0.84
Clinical factors contributing to the differential diagnosis of primary insomnia and insomnia related to mental disorders. Am J Psychiatry (1997) 0.83
A neuronal transition probability model for the evolution of power in the sigma and delta frequency bands of sleep EEG. Physiol Behav (1997) 0.82
Effect of p-chlorophenylalanine and tryptophan on sleep, EEG and motor activity in the rat. Behav Brain Res (1981) 0.82
In vivo modulation of rat hypothalamic histamine release by the histamine H3 receptor ligands, immepip and clobenpropit. Effects of intrahypothalamic and peripheral application. Eur J Pharmacol (1998) 0.81
Effects of some H1-antagonists on the sleep-wake cycle in sleep-disturbed rats. J Pharmacol Sci (2007) 0.80
The A11 catecholamine cell group: another origin of the dopaminergic innervation of the amygdala. Neurosci Lett (1990) 0.79
[The insomnia]. An Sist Sanit Navar (2007) 0.77
[Individual differences in the reactions to acute stress related to behavioral type. Resistance (predisposition) to behavioral and sleep disorders]. Biull Eksp Biol Med (1993) 0.77
Effect of two experimental sets on sleep structure. Percept Mot Skills (1976) 0.76
A putative flip-flop switch for control of REM sleep. Nature (2006) 4.67
The rostromedial tegmental nucleus (RMTg), a GABAergic afferent to midbrain dopamine neurons, encodes aversive stimuli and inhibits motor responses. Neuron (2009) 4.12
An open letter to our readers on the use of antibodies. J Comp Neurol (2005) 3.86
Expression of ghrelin receptor mRNA in the rat and the mouse brain. J Comp Neurol (2006) 3.61
The dorsomedial hypothalamic nucleus is critical for the expression of food-entrainable circadian rhythms. Nat Neurosci (2006) 3.29
The alpha2-adrenoceptor agonist dexmedetomidine converges on an endogenous sleep-promoting pathway to exert its sedative effects. Anesthesiology (2003) 3.19
Expression of melanocortin 4 receptor mRNA in the central nervous system of the rat. J Comp Neurol (2003) 3.05
A proposal for a coordinated effort for the determination of brainwide neuroanatomical connectivity in model organisms at a mesoscopic scale. PLoS Comput Biol (2009) 2.88
A broad role for melanopsin in nonvisual photoreception. J Neurosci (2003) 2.78
Altered parvalbumin-positive neuron distribution in basal ganglia of individuals with Tourette syndrome. Proc Natl Acad Sci U S A (2005) 2.72
Glucagon-like peptide-1 receptor stimulation increases blood pressure and heart rate and activates autonomic regulatory neurons. J Clin Invest (2002) 2.54
A neural mechanism for exacerbation of headache by light. Nat Neurosci (2010) 2.26
Differential rescue of light- and food-entrainable circadian rhythms. Science (2008) 2.20
Critical role of dorsomedial hypothalamic nucleus in a wide range of behavioral circadian rhythms. J Neurosci (2003) 2.15
Magic peptides, magic antibodies: guidelines for appropriate controls for immunohistochemistry. J Comp Neurol (2003) 2.14
Neurobiology of the sleep-wake cycle: sleep architecture, circadian regulation, and regulatory feedback. J Biol Rhythms (2006) 2.06
EP3 prostaglandin receptors in the median preoptic nucleus are critical for fever responses. Nat Neurosci (2007) 2.05
Clinical case conference: a 41-year-old woman with progressive weakness and sensory loss. Ann Neurol (2014) 1.98
The importance of being earnest: the role of industry employees in studies about their products. Ann Neurol (2014) 1.97
Reassessment of the structural basis of the ascending arousal system. J Comp Neurol (2011) 1.93
Identification of wake-active dopaminergic neurons in the ventral periaqueductal gray matter. J Neurosci (2006) 1.88
Afferents to the ventrolateral preoptic nucleus. J Neurosci (2002) 1.86
A common polymorphism near PER1 and the timing of human behavioral rhythms. Ann Neurol (2012) 1.79
Thalamic Cav3.1 T-type Ca2+ channel plays a crucial role in stabilizing sleep. Proc Natl Acad Sci U S A (2005) 1.77
REM sleep behavior disorder: a possible early marker for synucleinopathies. Neurology (2006) 1.68
Is food-directed behavior an appropriate measure of circadian entrainment to restricted daytime feeding? J Biol Rhythms (2007) 1.63
Characteristics of thermoregulatory and febrile responses in mice deficient in prostaglandin EP1 and EP3 receptors. J Physiol (2003) 1.59
Role of endogenous sleep-wake and analgesic systems in anesthesia. J Comp Neurol (2008) 1.53
Parallel preoptic pathways for thermoregulation. J Neurosci (2009) 1.43
The pontine REM switch: past and present. J Physiol (2007) 1.42
Selective activation of the extended ventrolateral preoptic nucleus during rapid eye movement sleep. J Neurosci (2002) 1.37
Running promotes wakefulness and increases cataplexy in orexin knockout mice. Sleep (2007) 1.26
Focal deletion of the adenosine A1 receptor in adult mice using an adeno-associated viral vector. J Neurosci (2003) 1.23
Quantification of the fragmentation of rest-activity patterns in elderly individuals using a state transition analysis. Sleep (2011) 1.23
Altered sleep-wake characteristics and lack of arousal response to H3 receptor antagonist in histamine H1 receptor knockout mice. Proc Natl Acad Sci U S A (2006) 1.22
Identifying the efferent projections of leptin-responsive neurons in the dorsomedial hypothalamus using a novel conditional tracing approach. J Comp Neurol (2010) 1.19
COX2 in CNS neural cells mediates mechanical inflammatory pain hypersensitivity in mice. J Clin Invest (2009) 1.18
Increased fragmentation of rest-activity patterns is associated with a characteristic pattern of cognitive impairment in older individuals. Sleep (2012) 1.15
Locus ceruleus and anterior cingulate cortex sustain wakefulness in a novel environment. J Neurosci (2010) 1.11
Metabolic effects of chronic sleep restriction in rats. Sleep (2012) 1.10
Abnormal sleep/wake dynamics in orexin knockout mice. Sleep (2010) 1.10
Amygdala lesions reduce cataplexy in orexin knock-out mice. J Neurosci (2013) 1.09
Reduced density of cholinergic interneurons in the ventral striatum in schizophrenia: an in situ hybridization study. Biol Psychiatry (2005) 1.07
Spinal projections of the A5, A6 (locus coeruleus), and A7 noradrenergic cell groups in rats. J Comp Neurol (2012) 1.06
Specific roles of cyclooxygenase-1 and cyclooxygenase-2 in lipopolysaccharide-induced fever and Fos expression in rat brain. J Comp Neurol (2003) 1.02
Glutamatergic signaling from the parabrachial nucleus plays a critical role in hypercapnic arousal. J Neurosci (2013) 1.02
Hcrtr1 and 2 signaling differentially regulates depression-like behaviors. Behav Brain Res (2011) 1.01
Effects of lesions of the histaminergic tuberomammillary nucleus on spontaneous sleep in rats. Sleep (2004) 1.01
Multimodal anesthesia and systems neuroscience: the new frontier. Anesthesiology (2008) 0.98
The insular cortex and cardiac response to stroke. Neurology (2006) 0.97
Orexin, drugs and motivated behaviors. Nat Neurosci (2005) 0.96
Role of the medial prefrontal cortex in cataplexy. J Neurosci (2013) 0.93
Ciliary neurotrophic factor and leptin induce distinct patterns of immediate early gene expression in the brain. Diabetes (2004) 0.93
The ventrolateral preoptic nucleus is not required for isoflurane general anesthesia. Brain Res (2011) 0.93
Prostaglandin E2 activates the histaminergic system via the EP4 receptor to induce wakefulness in rats. J Neurosci (2003) 0.92
Central neurogenic hyperventilation: a case report and discussion of pathophysiology. Arch Neurol (2005) 0.89
Modafinil: a drug in search of a mechanism. Sleep (2004) 0.89
Sleep, circadian rhythms, and dementia. Ann Neurol (2011) 0.87
Orexin neurons are necessary for the circadian control of REM sleep. Sleep (2009) 0.87
Contrasting effects of E type prostaglandin (EP) receptor agonists on core body temperature in rats. Brain Res (2003) 0.86
Movement suppression during anesthesia: neural projections from the mesopontine tegmentum to areas involved in motor control. J Comp Neurol (2005) 0.85
Is low histamine a fundamental cause of sleepiness in narcolepsy and idiopathic hypersomnia? Sleep (2009) 0.85
Orexins: looking forward to sleep, back at addiction. Nat Med (2007) 0.85
Dominant localization of adenosine deaminase in leptomeninges and involvement of the enzyme in sleep. Biochem Biophys Res Commun (2003) 0.85
Orexin gene therapy restores the timing and maintenance of wakefulness in narcoleptic mice. Sleep (2013) 0.84
The lateral hypothalamic parvalbumin-immunoreactive (PV1) nucleus in rodents. J Comp Neurol (2012) 0.83
Commentaries on Viewpoint: Central chemoreception is a complex system function that involves multiple brain stem sites. J Appl Physiol (1985) (2009) 0.83
REM sleep behavior disorder: a dopaminergic deficiency disorder? Neurology (2003) 0.83
Long-term synaptic plasticity is impaired in rats with lesions of the ventrolateral preoptic nucleus. Eur J Neurosci (2009) 0.82
Prostaglandin-dependent modulation of dopaminergic neurotransmission elicits inflammation-induced aversion in mice. J Clin Invest (2016) 0.82
Up-regulated neuronal COX-2 expression after cortical spreading depression is involved in non-REM sleep induction in rats. J Neurosci Res (2008) 0.80
The Affordable Care Act...or Is It? Ann Neurol (2015) 0.79
Standards of evidence in chronobiology: A response. J Circadian Rhythms (2009) 0.79
Prostaglandin E2 attenuates preoptic expression of GABAA receptors via EP3 receptors. J Biol Chem (2008) 0.79
Respiratory-related outputs of glutamatergic, hypercapnia-responsive parabrachial neurons in mice. J Comp Neurol (2015) 0.78
Animal behaviour: the nexus of sex and violence. Nature (2011) 0.77
Efferent connections of the parvalbumin-positive (PV1) nucleus in the lateral hypothalamus of rodents. J Comp Neurol (2013) 0.77
Lateral hypothalamic acetylcholinesterase-immunoreactive neurons co-express either orexin or melanin concentrating hormone. Neurosci Lett (2004) 0.77
In living color. J Comp Neurol (2007) 0.76
Gene expression in the rat brain during prostaglandin D2 and adenosinergically-induced sleep. J Neurochem (2008) 0.76
Acute enhancement of non-rapid eye movement sleep in rats after drinking water contaminated with cadmium chloride. J Appl Toxicol (2013) 0.76
The agony of the ecstasy: serotonin and obstructive sleep apnea. Neurology (2009) 0.76
A treasure trove of gene expression patterns. Nat Neurosci (2010) 0.75
Perspectives on the rapid eye movement sleep switch in rapid eye movement sleep behavior disorder. Sleep Med (2013) 0.75
No place for secrets in scientific research. Nature (2006) 0.75
Annals policy on deceptive disclosure of conflicts of interest. Ann Neurol (2014) 0.75
Passages 2012. J Comp Neurol (2012) 0.75
The Neuroscience Peer Review Consortium. Neurobiol Dis (2009) 0.75
The neuroscience peer review consortium. Brain Struct Funct (2009) 0.75
The view from here: The eighth year of RomneyCare. Ann Neurol (2014) 0.75
The Neuroscience Peer Review Consortium. Neural Dev (2009) 0.75
The great depression of biomedical science. Ann Neurol (2014) 0.75
The Neuroscience Peer Review Consortium. Exp Neurol (2009) 0.75
Neuroendocrinologies membership of the Neuroscience Peer Review Consortium. Neuroendocrinology (2009) 0.75
Opening up the JCN toolbox. J Comp Neurol (2009) 0.75
The Neuroscience Peer Review Consortium. Neurosci Lett (2009) 0.75
The Neuroscience Peer Review Consortium. Eur J Neurosci (2009) 0.75
Goodbye to Edward G. (Ted) Jones, MD, DPhil, 1939-2011. J Comp Neurol (2011) 0.75