Muscimol-Induced Inactivation of Monkey Frontal Eye Field: Effects
... Department of Neurobiology and Physiology, Northwestern University, Evanston, Illinois, 60208 Dias, Elisa C. and Mark A. Segraves. Muscimol-induced inactivation of the monkey frontal eye field: effects on visually and memoryguided saccades. J. Neurophysiol. 81: 2191–2214, 1999. Although neurophysiol ...
... Department of Neurobiology and Physiology, Northwestern University, Evanston, Illinois, 60208 Dias, Elisa C. and Mark A. Segraves. Muscimol-induced inactivation of the monkey frontal eye field: effects on visually and memoryguided saccades. J. Neurophysiol. 81: 2191–2214, 1999. Although neurophysiol ...
GLAUCOMA
... One-third of patients with glaucoma do not have elevated IOP. Most of the ocular findings that occur in people with glaucoma also occur in people without glaucoma. ...
... One-third of patients with glaucoma do not have elevated IOP. Most of the ocular findings that occur in people with glaucoma also occur in people without glaucoma. ...
pathophysiology of attention deficit/ hyperactivity disorder
... (31). The authors hypothesized that this may have occurred early in development as a compensatory response to abnormally high dopamine concentrations. Other SHR studies implicated an interaction between the noradrenergic and dopaminergic system in the nucleus accumbens, but they ruled out the idea t ...
... (31). The authors hypothesized that this may have occurred early in development as a compensatory response to abnormally high dopamine concentrations. Other SHR studies implicated an interaction between the noradrenergic and dopaminergic system in the nucleus accumbens, but they ruled out the idea t ...
A network of topographic numerosity maps in human
... structure of sensory organs (such as the retina or cochlea) mapped onto the cortical surface. These sensory maps are hierarchically organized. For example, visual field maps contain neurons that represent increasing large parts of visual space with increasingly complex responses1. Some visual neuron ...
... structure of sensory organs (such as the retina or cochlea) mapped onto the cortical surface. These sensory maps are hierarchically organized. For example, visual field maps contain neurons that represent increasing large parts of visual space with increasingly complex responses1. Some visual neuron ...
frontal functions, connectivity and neural efficiency underpinning
... demonstrated between error detection processes and error evaluation processes and with the apparent inhibition or uncoupling of the latter, both of which are processes emanating from the anterior cingulate. These processes were measured with event-related potentials (ERPs) in a Stroop-like conflict ...
... demonstrated between error detection processes and error evaluation processes and with the apparent inhibition or uncoupling of the latter, both of which are processes emanating from the anterior cingulate. These processes were measured with event-related potentials (ERPs) in a Stroop-like conflict ...
Spatial cognition, body representation and affective processes
... vertical orientation, and it has been shown that the SVV depends on the body orientation of the observer (e.g., Tarnutzer et al., 2010). Interestingly, variation of task demands changes the contribution of the gravity-receptive signals (Bronstein, 1999). Clinical studies with vestibular patients sug ...
... vertical orientation, and it has been shown that the SVV depends on the body orientation of the observer (e.g., Tarnutzer et al., 2010). Interestingly, variation of task demands changes the contribution of the gravity-receptive signals (Bronstein, 1999). Clinical studies with vestibular patients sug ...
Kaczkurkin_umn_0130E_14221
... between fear conditioning and pathological anxiety symptoms and to identify gaps of knowledge in the literature. Specifically, this review will focus on research related to posttraumatic stress disorder (PTSD) and obsessive-compulsive disorder (OCD) and chapters 2 and 3 will report original research ...
... between fear conditioning and pathological anxiety symptoms and to identify gaps of knowledge in the literature. Specifically, this review will focus on research related to posttraumatic stress disorder (PTSD) and obsessive-compulsive disorder (OCD) and chapters 2 and 3 will report original research ...
Anatomy and Physiology of Smell
... increase their travel time through the nasal passageways This may influence the spectrum of chemicals reaching the olfactory cleft Absorption of molecules may separate/sort odorants before reaching the olfactory mucosa Highly absorbable chemicals may have minimal or no odor as ...
... increase their travel time through the nasal passageways This may influence the spectrum of chemicals reaching the olfactory cleft Absorption of molecules may separate/sort odorants before reaching the olfactory mucosa Highly absorbable chemicals may have minimal or no odor as ...
the Report - The Lasker Foundation
... Practically speaking, this means that visual acuity is reduced despite a normal structural eye examination due to the presence of at least one amblyopia risk factor early in life. These risk factors include deprivation (induced by congenital cataract or ptosis, for example), manifest strabismus of ...
... Practically speaking, this means that visual acuity is reduced despite a normal structural eye examination due to the presence of at least one amblyopia risk factor early in life. These risk factors include deprivation (induced by congenital cataract or ptosis, for example), manifest strabismus of ...
1
... characterized by symptoms of inattention, hyperactivity and impulsivity. Converging data from different studies point to ADHD abnormalities in fronto-striatal circuits. Structural neuroimaging studies partially support fronto-striatal abnormalities and suggest an important role of the cerebellum. Ho ...
... characterized by symptoms of inattention, hyperactivity and impulsivity. Converging data from different studies point to ADHD abnormalities in fronto-striatal circuits. Structural neuroimaging studies partially support fronto-striatal abnormalities and suggest an important role of the cerebellum. Ho ...
... neurodevelopmental disorders occurring in childhood. The main symptoms are developmentally excessive levels of inattention, impulsivity and hyperactivity. ADHD occurs in 8 to 12% of school age children worldwide; the majority (60%-85%) continues to meet criteria for the disorder during their teenage ...
The Role of Temporal Structure in Human Vision
... Smith, Howell, & Stanley, 1982). Or consider another, slightly more complicated stimulus sequence, where a stimulus appears for 100 msec at one location, disappears very briefly, and then reappears for 100 msec at another, nearby location. If the two events occur within 20 msec or so of one another, ...
... Smith, Howell, & Stanley, 1982). Or consider another, slightly more complicated stimulus sequence, where a stimulus appears for 100 msec at one location, disappears very briefly, and then reappears for 100 msec at another, nearby location. If the two events occur within 20 msec or so of one another, ...
Functions of the nucleus of the optic tract (NOT).
... At the end of the experiments, animals were deeply anesthetized and killed with pentobarbital (>50 mg/kg) and perfused through the heart with saline and 5% formalin. The brains were stored in 10% formalin. Sections were stained with cresyl violet for cell bodies, and the depth and extent of the lesi ...
... At the end of the experiments, animals were deeply anesthetized and killed with pentobarbital (>50 mg/kg) and perfused through the heart with saline and 5% formalin. The brains were stored in 10% formalin. Sections were stained with cresyl violet for cell bodies, and the depth and extent of the lesi ...
Electrophysiological markers of Rapid Eye Movements in
... the execution and control of REMs (Tehovnik, Sommer et al. 2000; PierrotDeseilligny, Milea et al. 2004) . Saccades involve various neocortical and limbic areas and reflect various cognitive processes including memory, decision-making, and attention allocation (Henderson 2003). Saccades are classical ...
... the execution and control of REMs (Tehovnik, Sommer et al. 2000; PierrotDeseilligny, Milea et al. 2004) . Saccades involve various neocortical and limbic areas and reflect various cognitive processes including memory, decision-making, and attention allocation (Henderson 2003). Saccades are classical ...
Auditory Pathways and Processes
... In a technical report the American Speech and Hearing Association (ASHA, 2005) identified seven central auditory processing mechanisms: (a) sound localization, (b) lateralization, (c) discrimination, (d) pattern recognition, (e) temporal aspects of audition, including temporal integration, temporal ...
... In a technical report the American Speech and Hearing Association (ASHA, 2005) identified seven central auditory processing mechanisms: (a) sound localization, (b) lateralization, (c) discrimination, (d) pattern recognition, (e) temporal aspects of audition, including temporal integration, temporal ...
REPRESENTATION OF CENTRAL VISUAL FIELDS IN
... about 6-7 m m long and about 1.5 m m in width. The map provided by Talbot and Marshall 16 was used as a reference in making these lesions. Monkey K S 12 had a lesion that was parallel and posterior to the representation of the vertical meridian of the lower visual field on the striate cortex. In the ...
... about 6-7 m m long and about 1.5 m m in width. The map provided by Talbot and Marshall 16 was used as a reference in making these lesions. Monkey K S 12 had a lesion that was parallel and posterior to the representation of the vertical meridian of the lower visual field on the striate cortex. In the ...
“left or right” Decision-making beyond
... independent of response modality, i.e. independent of the movement that communicates the internal decision. In macaque monkeys, the very same neural populations that are involved in movement preparation show decision-related activity prior to a choice that leads to the respective motor response. For ...
... independent of response modality, i.e. independent of the movement that communicates the internal decision. In macaque monkeys, the very same neural populations that are involved in movement preparation show decision-related activity prior to a choice that leads to the respective motor response. For ...
INFUSION OF NERVE GROWTH FACTOR (NGF) INTO KITTEN
... In addition, anti-NGF antibodies prevent normal anatomical and physiological development of the visual system when they are administered to rats by implantation of antibody-secreting hybridoma cells in the lateral ventricle (Berardi et al., 1994). These antibodies also prolong the critical period fo ...
... In addition, anti-NGF antibodies prevent normal anatomical and physiological development of the visual system when they are administered to rats by implantation of antibody-secreting hybridoma cells in the lateral ventricle (Berardi et al., 1994). These antibodies also prolong the critical period fo ...
Primary open-angle glaucoma
... pressure gradient across the lamina cribrosa also increases. As a result, the lamina cribrosa and the retinal ganglion cell axons undergo deformation and mechanical stress.14 In glaucoma, cupping of the optic disc and compression, stretching, and remodelling12 of the lamina cribrosa can arise in res ...
... pressure gradient across the lamina cribrosa also increases. As a result, the lamina cribrosa and the retinal ganglion cell axons undergo deformation and mechanical stress.14 In glaucoma, cupping of the optic disc and compression, stretching, and remodelling12 of the lamina cribrosa can arise in res ...
Mismatch Negativity: Different Water in the Same River
... change occurs for the standard stimuli as well and is associated with an N1 response. The second change is the change in some feature of the deviant stimulus from a preceding stimulus. This change occurs by itself if the stimulus is continuously on and just momentarily changes. For example, a contin ...
... change occurs for the standard stimuli as well and is associated with an N1 response. The second change is the change in some feature of the deviant stimulus from a preceding stimulus. This change occurs by itself if the stimulus is continuously on and just momentarily changes. For example, a contin ...
Can You Smell That? Anatomy and Physiology of Smell
... glomeruli arranged in single or double layers Decrease in number with age Nearly absent in many persons older than age of 80 years ...
... glomeruli arranged in single or double layers Decrease in number with age Nearly absent in many persons older than age of 80 years ...
Neuroimaging and neuropsychological findings in
... Obsessive–compulsive disorder (OCD) is one of the most prevalent psychiatric disorders affecting children and adolescents. In the last decade, our knowledge base of pediatric OCD has increased greatly. In examining pediatric OCD, neuropsychological performance may serve as a bridge between brain fun ...
... Obsessive–compulsive disorder (OCD) is one of the most prevalent psychiatric disorders affecting children and adolescents. In the last decade, our knowledge base of pediatric OCD has increased greatly. In examining pediatric OCD, neuropsychological performance may serve as a bridge between brain fun ...
MOLECULAR MECHANISMS OF SYNAPTIC PLASTICITY IN ADULT MAMMALIAN SENSORY CORTEX
... 1. He HY, Rasmusson DD, Quinlan EM. Progressive elevations in AMPA and GABAA receptor levels in deafferented somatosensory cortex. J Neurochem. 2004 Sep;90(5):1186-93. Restricted receptive fields (RFs), a hallmark of mature sensory systems, are actively maintained by a balance between ascending exci ...
... 1. He HY, Rasmusson DD, Quinlan EM. Progressive elevations in AMPA and GABAA receptor levels in deafferented somatosensory cortex. J Neurochem. 2004 Sep;90(5):1186-93. Restricted receptive fields (RFs), a hallmark of mature sensory systems, are actively maintained by a balance between ascending exci ...
By ON THE ROLE OF THE SUPERIOR COLLICULUS IN THE CONTROL... VISUALLY-GUIDED SACCADES
... such changes in the environment, sensory information must first be received and processed by the nervous system before an appropriate motor response can be planned and executed. However, relatively little is known about how the central nervous system computes such sensory to motor transformations th ...
... such changes in the environment, sensory information must first be received and processed by the nervous system before an appropriate motor response can be planned and executed. However, relatively little is known about how the central nervous system computes such sensory to motor transformations th ...
... In the last few years, the number of cases of cocaine dependence has considerably increased to become the second most prevalent illegal psychoactive drug in Spain (National Drugs Plan, the Spanish Observatory on Drugs Report, 2009). Therefore, it is an important subject for the public health system ...