Brain Anatomy and Histology of Orange Spotted Grouper
... coming from Zangi creek of the Persian Gulf. There were 15 different tanks exposed to different concentrations of methylmercury and 3 control tanks. Each tank contained 15 fish (2 years old, weighing about 60 grs). The water was changed every other day and the fish were fed with fish meal pellet bef ...
... coming from Zangi creek of the Persian Gulf. There were 15 different tanks exposed to different concentrations of methylmercury and 3 control tanks. Each tank contained 15 fish (2 years old, weighing about 60 grs). The water was changed every other day and the fish were fed with fish meal pellet bef ...
Autonomic Nervous System
... Autonomic Dysfunction Primary Diseases • Multi-system atrophy (Shy Drager) • Pure Autonomic Failure ( Idiopathic orthostatic ...
... Autonomic Dysfunction Primary Diseases • Multi-system atrophy (Shy Drager) • Pure Autonomic Failure ( Idiopathic orthostatic ...
Spatial Responsiveness of Monkey Hippocampal Neurons to
... of the monkey to its right and was hidden by a wing of the apparatus. In this situation, various visual and auditory stimuli were presented to the monkey from several directions. Many different objects chosen from a pool of about 1,000, as well as some parts of the human body, were used as visual st ...
... of the monkey to its right and was hidden by a wing of the apparatus. In this situation, various visual and auditory stimuli were presented to the monkey from several directions. Many different objects chosen from a pool of about 1,000, as well as some parts of the human body, were used as visual st ...
PDF hosted at the Radboud Repository of the Radboud University Nijmegen
... sory integration Summary: Most cognitive functions are based on highly parallel and distributed information processing by the brain. A paradigmatic example is provided by the ver tebrate visual system where numerous cortical areas have been described which anal yse different types of visual inform ...
... sory integration Summary: Most cognitive functions are based on highly parallel and distributed information processing by the brain. A paradigmatic example is provided by the ver tebrate visual system where numerous cortical areas have been described which anal yse different types of visual inform ...
Taste and Smell - Liberty Hill High School
... Vagus nerve- few taste buds on epiglottis an pharynx These afferent fibers synapse in medullathalamus gustatory cortex in parietal lobes and fibers to hypothalamus in limbic system ...
... Vagus nerve- few taste buds on epiglottis an pharynx These afferent fibers synapse in medullathalamus gustatory cortex in parietal lobes and fibers to hypothalamus in limbic system ...
Emotion and decision-making explained: A prEcis
... provide representations of whether stimuli are associated with rewards or punishers, are fed into the ventral striatum to influence approach behaviour. The fact that addiction is persistent may be related to the fact that because the outputs of the amygdala and OFC are after the stage of stimulusere ...
... provide representations of whether stimuli are associated with rewards or punishers, are fed into the ventral striatum to influence approach behaviour. The fact that addiction is persistent may be related to the fact that because the outputs of the amygdala and OFC are after the stage of stimulusere ...
PATHOPHYSIOLOGY OF THE NERVOUS SYSTEM
... a visible reaction, it leads to the increase of convulsive readiness of the brain. With the passage of time on the same subliminal exposure to the animal responds already cramps (the phenomenon of "swing" or kindling). In everyday life, there are many long-term stressors, nevrozogennye factors, occu ...
... a visible reaction, it leads to the increase of convulsive readiness of the brain. With the passage of time on the same subliminal exposure to the animal responds already cramps (the phenomenon of "swing" or kindling). In everyday life, there are many long-term stressors, nevrozogennye factors, occu ...
ppt
... Csibra : “if mirror activity represents a copy of the observed motor act, it is not sufficiently general to capture the goal of that motor act; conversely, if it is sufficiently general for goal understanding, it cannot be interpreted in terms of a direct matching mechanism between sensory and mot ...
... Csibra : “if mirror activity represents a copy of the observed motor act, it is not sufficiently general to capture the goal of that motor act; conversely, if it is sufficiently general for goal understanding, it cannot be interpreted in terms of a direct matching mechanism between sensory and mot ...
Multiple Modes of Action Potential Initiation and Propagation in
... somatic pipette, which did not contain QX-314. The further reduction of spike amplitude was much faster in the dendritic site than at the soma (n ⫽ 4; Fig. 1C). These results indicate that QX-314 first acted locally to block the dendritic action potential and gradually diffused to the soma to block ...
... somatic pipette, which did not contain QX-314. The further reduction of spike amplitude was much faster in the dendritic site than at the soma (n ⫽ 4; Fig. 1C). These results indicate that QX-314 first acted locally to block the dendritic action potential and gradually diffused to the soma to block ...
Tuning Curve Shift by Attention Modulation in Cortical Neurons: a
... (shown in the Appendix). We prove, however, that our main points regarding this model do not depend on this particular choice (see Fig. 4C). When we simulate an attentional signal with inhibitory surround effect, we use r9A = 0.52, A0 = –0.48 and A1 = 1.5. For each of these models, and each paramete ...
... (shown in the Appendix). We prove, however, that our main points regarding this model do not depend on this particular choice (see Fig. 4C). When we simulate an attentional signal with inhibitory surround effect, we use r9A = 0.52, A0 = –0.48 and A1 = 1.5. For each of these models, and each paramete ...
Topography of Modular Subunits in the Mushroom Bodies of the
... (arrow in Fig. 8A), anterior (arrowhead), and anteromedial (not shown) parts of the cell body region dorsal to the lateral calyx, and their dendritic arborizations occupy anterolateral, anterior, and anteromedial parts of the synaptic neuropil of the lateral calyx, respectively (Fig. 8A,B). Axons of ...
... (arrow in Fig. 8A), anterior (arrowhead), and anteromedial (not shown) parts of the cell body region dorsal to the lateral calyx, and their dendritic arborizations occupy anterolateral, anterior, and anteromedial parts of the synaptic neuropil of the lateral calyx, respectively (Fig. 8A,B). Axons of ...
ling411-10-MEG
... Neuronal Structure and Function I The Cortex is a Network Pulvermüller (2002): • The brain is not like a computer “…any hardware computer configuration can realize almost any computer program or piece of software.” “… it may be that the neuronal structures themselves teach us about aspects of the ...
... Neuronal Structure and Function I The Cortex is a Network Pulvermüller (2002): • The brain is not like a computer “…any hardware computer configuration can realize almost any computer program or piece of software.” “… it may be that the neuronal structures themselves teach us about aspects of the ...
Kardinia International College
... Forms of Phobias • DSM-IV-TR divides phobias into three categories: Agoraphobia, Social Phobia and Specific Phobia. In the study design is states that we focus on Simple (specific) phobia. • Simple (specific) phobias involve an intense fear that is restricted, or confined, to a single ‘specific’ st ...
... Forms of Phobias • DSM-IV-TR divides phobias into three categories: Agoraphobia, Social Phobia and Specific Phobia. In the study design is states that we focus on Simple (specific) phobia. • Simple (specific) phobias involve an intense fear that is restricted, or confined, to a single ‘specific’ st ...
Introduction to the Pharmacology of CNS Drugs: Introduction Drugs
... essentially all neurons in the CNS. All NMDA receptors require the presence of the subunit GluN1. The channel also contains one or two NR2 subunits (GluN2A-D). Unlike AMPA and kainate receptors, all NMDA receptors are highly permeable to Ca2+ as well as to Na+ and K+. NMDA receptor function is contr ...
... essentially all neurons in the CNS. All NMDA receptors require the presence of the subunit GluN1. The channel also contains one or two NR2 subunits (GluN2A-D). Unlike AMPA and kainate receptors, all NMDA receptors are highly permeable to Ca2+ as well as to Na+ and K+. NMDA receptor function is contr ...
Different Subthreshold Mechanisms Underlie Song Selectivity in
... When possible, after characterization of a cell’s auditory responses to BOS playback, its intrinsic properties were studied. Hyperpolarizing responses to negative current pulses (⫺200 to ⫺400 pA) were collected to estimate input resistance, and instantaneous and mean firing rates, as well as the lat ...
... When possible, after characterization of a cell’s auditory responses to BOS playback, its intrinsic properties were studied. Hyperpolarizing responses to negative current pulses (⫺200 to ⫺400 pA) were collected to estimate input resistance, and instantaneous and mean firing rates, as well as the lat ...
Sodium channel NaV1.9 mutations associated with insensitivity to
... dependence of fast inactivation time constants determined from cells potential (RMP) (23, 41), and we expected that the enhanced winexpressing WT (black circles) or L1302F (solid orange circles) channels. (D) dow current of L1302F would potentiate this effect. Consistent Average current-voltage rela ...
... dependence of fast inactivation time constants determined from cells potential (RMP) (23, 41), and we expected that the enhanced winexpressing WT (black circles) or L1302F (solid orange circles) channels. (D) dow current of L1302F would potentiate this effect. Consistent Average current-voltage rela ...
feature analyzers in the brain
... prey-catching in the laboratory worm stimulus releasing value ~ s antiworm (= “amount”) releasing value ~ s square biphasic ~ s (bugs predators ?) ...
... prey-catching in the laboratory worm stimulus releasing value ~ s antiworm (= “amount”) releasing value ~ s square biphasic ~ s (bugs predators ?) ...
Figure and Ground in the Visual Cortex: V2 Combines Stereoscopic
... A fraction of the orientation-selective neurons in macaque area V2 signal not only the location and orientation of luminance and color edges, but also the location of the figure to which an edge “belongs” (Zhou et al., 2000). Figure 2A illustrates a V2 neuron that responds more strongly to the botto ...
... A fraction of the orientation-selective neurons in macaque area V2 signal not only the location and orientation of luminance and color edges, but also the location of the figure to which an edge “belongs” (Zhou et al., 2000). Figure 2A illustrates a V2 neuron that responds more strongly to the botto ...
Some historical perspectives on thermoregulation
... researchers can find clues to mechanisms that may parallel the events of thermal perception in multicellular organisms. Recent studies (40) in Paramecium have shown that various ion channels are involved in perception of temperature, such as different calcium channels responding to heating and cooli ...
... researchers can find clues to mechanisms that may parallel the events of thermal perception in multicellular organisms. Recent studies (40) in Paramecium have shown that various ion channels are involved in perception of temperature, such as different calcium channels responding to heating and cooli ...
Spontaneous persistent activity in entorhinal cortex modulates
... during UDS oscillations, along with the local field potential (LFP) from parietal cortex and hippocampal CA1 spiking activity. Given that UDS oscillations are wellsynchronized across the entire neocortex, they provide a robust estimate of the temporal structure of neocortical inputs to the entorhina ...
... during UDS oscillations, along with the local field potential (LFP) from parietal cortex and hippocampal CA1 spiking activity. Given that UDS oscillations are wellsynchronized across the entire neocortex, they provide a robust estimate of the temporal structure of neocortical inputs to the entorhina ...
The Structure of Spatial Receptive Fields of Neurons in Primary
... elevations below 2368 (Musicant et al., 1990) and thus were not represented in our VAS. Typically, VAS was represented by an array of 1650 waveform pairs spaced at 4.5 or 98 intervals; at each direction the pair of signals, appropriate for the left and right ears, was simulated digitally. Signal int ...
... elevations below 2368 (Musicant et al., 1990) and thus were not represented in our VAS. Typically, VAS was represented by an array of 1650 waveform pairs spaced at 4.5 or 98 intervals; at each direction the pair of signals, appropriate for the left and right ears, was simulated digitally. Signal int ...
Brain Electrical Activity During Waking and Sleep States
... * Desynchronization is an improper term to characterize active state since cognitive operations are associated with fast frequency (gamma) synchronized oscillations in large scale networks. ...
... * Desynchronization is an improper term to characterize active state since cognitive operations are associated with fast frequency (gamma) synchronized oscillations in large scale networks. ...
The Brain - HallquistCPHS.com
... b. degree of precise control required by each of the parts. c. sensitivity of the body region. d. area of the occipital lobe being stimulated by the environment. 15. The nerve fibers that enable communication between the right and left cerebral hemispheres and that have been severed in split-brain p ...
... b. degree of precise control required by each of the parts. c. sensitivity of the body region. d. area of the occipital lobe being stimulated by the environment. 15. The nerve fibers that enable communication between the right and left cerebral hemispheres and that have been severed in split-brain p ...