Anxiolytic action on the behavioural inhibition system implies
... The 1982 theory attempted to encompass all the information available at that time on the neural and behavioural actions of the anxiolytic drugs, the nature of theta activity and the neural and behavioural functions of the SHS. The explosion of data since its publication prompted us to produce a seco ...
... The 1982 theory attempted to encompass all the information available at that time on the neural and behavioural actions of the anxiolytic drugs, the nature of theta activity and the neural and behavioural functions of the SHS. The explosion of data since its publication prompted us to produce a seco ...
Affective percept and voluntary action: A hypothesis
... affective percepts and the latter can be divided according to the same four criteria. The division of affective percepts according to criteria 1 and 2 will be discussed in detail in Section 4. It can be assumed that the cognitive and affective counterparts of percepts have different neuronal mechani ...
... affective percepts and the latter can be divided according to the same four criteria. The division of affective percepts according to criteria 1 and 2 will be discussed in detail in Section 4. It can be assumed that the cognitive and affective counterparts of percepts have different neuronal mechani ...
NIH Public Access
... neurons respond to the same FM harmonic in the emitted pulse and the returning echo (Dear et al., 1993, Feng et al., 1978; Hagemann et al., 2010; Sullivan 1982a). In the mustached bat (Pteronotus parnellii) however, delay-tuned neurons respond to different FM harmonics in the pulse and echo. The mus ...
... neurons respond to the same FM harmonic in the emitted pulse and the returning echo (Dear et al., 1993, Feng et al., 1978; Hagemann et al., 2010; Sullivan 1982a). In the mustached bat (Pteronotus parnellii) however, delay-tuned neurons respond to different FM harmonics in the pulse and echo. The mus ...
This type of hearing loss is classified as when “the
... it may able to be treated with medications, surgery, hearing aids, or an implantable bone conduction hearing system (cochlear.com). Unilateral deafness is when an individual’s hearing is normal in one ear but suffers from hearing loss in the other ear. This deafness can range from mild to very sever ...
... it may able to be treated with medications, surgery, hearing aids, or an implantable bone conduction hearing system (cochlear.com). Unilateral deafness is when an individual’s hearing is normal in one ear but suffers from hearing loss in the other ear. This deafness can range from mild to very sever ...
Integration of Perspective and Disparity Cues in Surface
... presented to each eye. The monkey wore polarized glasses to view these stimuli stereoscopically. ...
... presented to each eye. The monkey wore polarized glasses to view these stimuli stereoscopically. ...
Serotonin modulates responses to species
... serotonin (Hurley and Pollak 2001). The modulation in many neurons is complex, in that serotonin can facilitate or depress the responses to some frequencies in the cell’s tuning curve while leaving the responses evoked by other frequencies unaffected. Based on these previous findings, it seems likely ...
... serotonin (Hurley and Pollak 2001). The modulation in many neurons is complex, in that serotonin can facilitate or depress the responses to some frequencies in the cell’s tuning curve while leaving the responses evoked by other frequencies unaffected. Based on these previous findings, it seems likely ...
response preparation and inhibition: the role of the
... NO-GO decision, movement execution proceeds unimpeded in the GO condition, whereas the motor system is restored back to its prestimulus state by the prefrontal NO-GO signal in the NO-GO condition. Thus far, however, empirical data directly supporting this scenario have been lacking. Single unit evid ...
... NO-GO decision, movement execution proceeds unimpeded in the GO condition, whereas the motor system is restored back to its prestimulus state by the prefrontal NO-GO signal in the NO-GO condition. Thus far, however, empirical data directly supporting this scenario have been lacking. Single unit evid ...
Auditory Pathways and Processes
... 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 discrimination (e.g., temporal gap detection), temporal ordering, and temporal ...
... 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 discrimination (e.g., temporal gap detection), temporal ordering, and temporal ...
Axonal Dopamine Receptors Activate Peripheral Spike
... (Thirumalai and Marder, 2002) (Fig. 2 A). Intracellular recordings of the PD neurons show slow-wave membrane oscillations with bursts of spikes during the depolarized phase of the slow wave. Bath application of 10 "6 M dopamine to the entire preparation elicited “extraburst” spikes during the interb ...
... (Thirumalai and Marder, 2002) (Fig. 2 A). Intracellular recordings of the PD neurons show slow-wave membrane oscillations with bursts of spikes during the depolarized phase of the slow wave. Bath application of 10 "6 M dopamine to the entire preparation elicited “extraburst” spikes during the interb ...
I dc
... Neural Activity: Alternation between Bursting and Silent Phases (bursting phase: consisting of rapid spikes) Representative Bursting Cells: (1) Thalamic Neurons: Relaying information from the sensor organs to cortex (2) Pancreatic -cells: Release of insulin controlling the level of glucose (sugar ...
... Neural Activity: Alternation between Bursting and Silent Phases (bursting phase: consisting of rapid spikes) Representative Bursting Cells: (1) Thalamic Neurons: Relaying information from the sensor organs to cortex (2) Pancreatic -cells: Release of insulin controlling the level of glucose (sugar ...
Extracellular voltage threshold settings can be tuned for optimal
... paralysis or other sensory–motor deficits. The recorded signals have taken the form of EEG, MEG, and intracortical signals (Schwartz et al 2006). A promising class of BCIs extracts information directly from action potentials, or ʻspikesʼ, identified from the voltage traces recorded from chronically im ...
... paralysis or other sensory–motor deficits. The recorded signals have taken the form of EEG, MEG, and intracortical signals (Schwartz et al 2006). A promising class of BCIs extracts information directly from action potentials, or ʻspikesʼ, identified from the voltage traces recorded from chronically im ...
How PACAP CeA Infusion Alters Mechanical and Thermal Sensitivity
... possesses connections that influence the descending pain control systems and is also connected to other brain regions involved in emotional, affective, and cognitive functions. The CeA receives nociceptive information from the brainstem and receives highly processed descending polymodal nociceptive ...
... possesses connections that influence the descending pain control systems and is also connected to other brain regions involved in emotional, affective, and cognitive functions. The CeA receives nociceptive information from the brainstem and receives highly processed descending polymodal nociceptive ...
A Neural Theory of Visual Attention
... Filtering is done in such a way that the number of cells in which an object is represented increases with the behavioral importance of the object (parallel processing with differential allocation of resources). More specifically, the probability that a cortical neuron represents a particular object ...
... Filtering is done in such a way that the number of cells in which an object is represented increases with the behavioral importance of the object (parallel processing with differential allocation of resources). More specifically, the probability that a cortical neuron represents a particular object ...
View/Open - eDiss - Georg-August
... Communication is a very much fascinating thing. Its study has helped in the general understanding of motor and sensory systems, evolution, and speciation. A major appeal of studying communication is that a researcher can quantify how biologically important information can be coded in particular phys ...
... Communication is a very much fascinating thing. Its study has helped in the general understanding of motor and sensory systems, evolution, and speciation. A major appeal of studying communication is that a researcher can quantify how biologically important information can be coded in particular phys ...
Auditory working memory: contributions of lateral prefrontal cortex
... prefrontal cortex (lPFC) as a primary area for visual working memory, while another line of research has found the neurotransmitter acetylcholine (ACh) to be involved. This dissertation used auditory cues and found similar patterns of activity for processing auditory working memory information withi ...
... prefrontal cortex (lPFC) as a primary area for visual working memory, while another line of research has found the neurotransmitter acetylcholine (ACh) to be involved. This dissertation used auditory cues and found similar patterns of activity for processing auditory working memory information withi ...
Modelling Neuronal Mechanisms of the Processing of Tones and System
... Wang 2010) and using models (Loebel, Nelken & Tsodyks 2007, de la Rocha, Marchetti, Schiff & Reyes 2008). In the present work we intend to shed light on this issue, and we do so by modelling in detail the (putative) neuronal correlates, at the level of the A1 circuit, of a well-known phenomenon in p ...
... Wang 2010) and using models (Loebel, Nelken & Tsodyks 2007, de la Rocha, Marchetti, Schiff & Reyes 2008). In the present work we intend to shed light on this issue, and we do so by modelling in detail the (putative) neuronal correlates, at the level of the A1 circuit, of a well-known phenomenon in p ...
Retinotopic Organization and Functional Subdivisions of the Human
... angle representation was calculated as the volume in each sector divided by the area of the sector. The two subjects who were scanned during the polar angle session with a 1 mm gap between slices were excluded from this analysis. To measure the extent to which partial volume effects may have influen ...
... angle representation was calculated as the volume in each sector divided by the area of the sector. The two subjects who were scanned during the polar angle session with a 1 mm gap between slices were excluded from this analysis. To measure the extent to which partial volume effects may have influen ...
pdf
... corticobulbar tracts are major efferent projection fibers that connect motor cortex to the brain stem and spinal cord. Corticospinal fibers converge into the corona radiata and continue through the posterior limb of the internal capsule to the cerebral peduncle on their way to the lateral funiculus. ...
... corticobulbar tracts are major efferent projection fibers that connect motor cortex to the brain stem and spinal cord. Corticospinal fibers converge into the corona radiata and continue through the posterior limb of the internal capsule to the cerebral peduncle on their way to the lateral funiculus. ...
Emotional and Behavioral Correlates of Mediodorsal Thalamic
... was extended automatically for 2 sec without being signaled by any sensory stimulus. If the rat did not lick within 2 sec after spout protrusion, electric shock was delivered. No rewards were delivered during these trials, so any response was made for avoidance only. The rats were then trained to li ...
... was extended automatically for 2 sec without being signaled by any sensory stimulus. If the rat did not lick within 2 sec after spout protrusion, electric shock was delivered. No rewards were delivered during these trials, so any response was made for avoidance only. The rats were then trained to li ...
and Third-Order Neurons of Cockroach Ocelli
... and Shapley, 1976; Victor, 1988), and catfish amacrine and ganglion cells (Sakai and Naka, 1987). The rectifying process in vertebrate retina seems to accompany either a saturating (Hochstein and Shapley, 1976; Victor, 1988) or an accelerating process (Sakai and Naka, 1987; Enroth-Cugell and Freeman ...
... and Shapley, 1976; Victor, 1988), and catfish amacrine and ganglion cells (Sakai and Naka, 1987). The rectifying process in vertebrate retina seems to accompany either a saturating (Hochstein and Shapley, 1976; Victor, 1988) or an accelerating process (Sakai and Naka, 1987; Enroth-Cugell and Freeman ...
The Auditory System
... The ear or vestibulocochlear organ is composed of external, middle and inner parts (Fig. 7.1). The external ear consists of the auricle and the external acoustic meatus with the outer layer of the tympanic membrane. The middle ear is formed by the tympanic cavity, the auditory ossicles and the inner ...
... The ear or vestibulocochlear organ is composed of external, middle and inner parts (Fig. 7.1). The external ear consists of the auricle and the external acoustic meatus with the outer layer of the tympanic membrane. The middle ear is formed by the tympanic cavity, the auditory ossicles and the inner ...