PDF - Bentham Open
... threat-elicited fMRI signal response within regions of the PFC, insula, cingulate, IPL, and amygdala varies with UCS expectancy [10, 15, 38]. More specifically, as UCS expectancy increases during the CS presentation, the amplitude of the threat response decreases. These findings suggest that conditi ...
... threat-elicited fMRI signal response within regions of the PFC, insula, cingulate, IPL, and amygdala varies with UCS expectancy [10, 15, 38]. More specifically, as UCS expectancy increases during the CS presentation, the amplitude of the threat response decreases. These findings suggest that conditi ...
In 1978 Mountcastle hypothesized that the smallest functional unit of
... the performed in vitro and in vivo experiments was aimed to answer these questions, and also to determine how minicolumnar patterns contribute to perceived stimuli by attempting to further characterize minicolumnar function. In order to quantitatively characterize the effects of repetitive stimulati ...
... the performed in vitro and in vivo experiments was aimed to answer these questions, and also to determine how minicolumnar patterns contribute to perceived stimuli by attempting to further characterize minicolumnar function. In order to quantitatively characterize the effects of repetitive stimulati ...
Neural Correlates of Knowledge: Stable Representation of Stimulus
... (Sakai and Miyashita, 1991) and prefrontal cortex (Rainer et al., 1999) exhibit a signal for the paired stimulus after the cue has been presented. This signal clearly conveys information that can enable correct performance. However, because the neuronal signals in these earlier studies were evaluate ...
... (Sakai and Miyashita, 1991) and prefrontal cortex (Rainer et al., 1999) exhibit a signal for the paired stimulus after the cue has been presented. This signal clearly conveys information that can enable correct performance. However, because the neuronal signals in these earlier studies were evaluate ...
The Differential Role of Motor Cortex in Stretch Reflex Modulation
... was marked on the scalp, and coil position was visually monitored by the operator during each experiment. For all three experiments the stimulation intensity used before muscle stretch perturbations was determined as the intensity at which a 150 ms period EMG silence (as measured from the stimulus t ...
... was marked on the scalp, and coil position was visually monitored by the operator during each experiment. For all three experiments the stimulation intensity used before muscle stretch perturbations was determined as the intensity at which a 150 ms period EMG silence (as measured from the stimulus t ...
JERZY KONORSKI`S THEORY OF CONDITIONED
... conditioned r e s p e s are the result of the mutual interaction betmeen two arcs of excibatolry conditioned reflexes. In the case of alimentary reflexes, one reflex arc is formed as an result of association of a definite conditioned stimulus with food, as an uncmditioned stimulus. The other reflex ...
... conditioned r e s p e s are the result of the mutual interaction betmeen two arcs of excibatolry conditioned reflexes. In the case of alimentary reflexes, one reflex arc is formed as an result of association of a definite conditioned stimulus with food, as an uncmditioned stimulus. The other reflex ...
THE AUDITORY SYSTEM OF HOMOROCORYPHUS
... continues to respond to transient sounds played simultaneously with the sine wave. Time marker, 100 msec. ...
... continues to respond to transient sounds played simultaneously with the sine wave. Time marker, 100 msec. ...
Chapter 143: Auditory System - Physiology
... effect. The arrows illustrate the direction of the sound waves and their pattern of reflection and refraction around the head. Baffle effect refers to the fact that sound waves impinging on a surface such as the head will be reflected. The incident and reflected waves may then combine near the side ...
... effect. The arrows illustrate the direction of the sound waves and their pattern of reflection and refraction around the head. Baffle effect refers to the fact that sound waves impinging on a surface such as the head will be reflected. The incident and reflected waves may then combine near the side ...
Neural Correlates of Perceived Brightness in the Retina, Lateral
... system: striate cortex, LGN, and optic tract. For the cortical recordings, a 2 3 2 mm craniotomy was made above the central visual field representation of striate cortex, and a small portion of the dura was resected. A glass-insulated tungsten electrode was then lowered to the cortical surface, and ...
... system: striate cortex, LGN, and optic tract. For the cortical recordings, a 2 3 2 mm craniotomy was made above the central visual field representation of striate cortex, and a small portion of the dura was resected. A glass-insulated tungsten electrode was then lowered to the cortical surface, and ...
Representing the Hyphen in Action–Effect
... Thus, close temporal proximity is considered a necessary condition for learning (Dickinson, 2001). However, in everyday life, people are often confronted with situations in which effects follow an action after considerable delays. For instance, when opening a hyperlink in a Web browser, the intended ...
... Thus, close temporal proximity is considered a necessary condition for learning (Dickinson, 2001). However, in everyday life, people are often confronted with situations in which effects follow an action after considerable delays. For instance, when opening a hyperlink in a Web browser, the intended ...
Can the negative deflections found with EEG on frontocentral
... (2003) showed that the oddball and Go/No-go N2 are the same and depend on unfrequency despite being a target or non-target. A classical task to test conflicting stimulus attributes is the Erikson flankers task. In the Erikson flankers task the N200’s amplitude seems to be larger in slow RT trials c ...
... (2003) showed that the oddball and Go/No-go N2 are the same and depend on unfrequency despite being a target or non-target. A classical task to test conflicting stimulus attributes is the Erikson flankers task. In the Erikson flankers task the N200’s amplitude seems to be larger in slow RT trials c ...
The dual nature of time preparation: neural
... attained, then the subject was to maintain this force during 3 s. This period of time corresponded to the isometric press and to the foreperiod durations. If the force was (over or below) the predefined range before the end of the 3-s period, the subject should initiate another correct isometric pres ...
... attained, then the subject was to maintain this force during 3 s. This period of time corresponded to the isometric press and to the foreperiod durations. If the force was (over or below) the predefined range before the end of the 3-s period, the subject should initiate another correct isometric pres ...
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 ...
XVI. COMMUNICATIONS BIOPHYSICS W. Dr. Ursula
... more diffuse origin which could also be evoked with auditory stimuli. Dawson suggested that the early response is related to the specific afferent discharge to the ...
... more diffuse origin which could also be evoked with auditory stimuli. Dawson suggested that the early response is related to the specific afferent discharge to the ...
Reduced BOLD response to periodic visual stimulation
... entrainment, phasic bursts increased in amplitude and the tonic response was suppressed. The amplitude of the MUA response at the driving frequency shows peaks between 4 and 8 Hz, 16 and 30 Hz, and 30 and 50 Hz, indicating enhanced entrainment. This is in accordance with earlier single-cell recordin ...
... entrainment, phasic bursts increased in amplitude and the tonic response was suppressed. The amplitude of the MUA response at the driving frequency shows peaks between 4 and 8 Hz, 16 and 30 Hz, and 30 and 50 Hz, indicating enhanced entrainment. This is in accordance with earlier single-cell recordin ...
A Counter Based Connectionist Model of Animal Timing - APT
... The probability of a response to the L lever is computed for each of the intervals presented and plotted as a function of the interval length. The pattern of L responses is typically a half Gaussian that increases to the highest response probability at the interval L. Of theoretical concern is the l ...
... The probability of a response to the L lever is computed for each of the intervals presented and plotted as a function of the interval length. The pattern of L responses is typically a half Gaussian that increases to the highest response probability at the interval L. Of theoretical concern is the l ...
An Extended Model for Stimulus Onset Asynchrony (SOA) in Stroop
... Stroop task [25] tests how humans respond to a compound stimulus where the color information conveyed by the printed words is incompatible with the ink color (i.e., incongruent case: for a comprehensive review, see [18]). In the color naming task, stimulus feature from one dimension (color) is a tar ...
... Stroop task [25] tests how humans respond to a compound stimulus where the color information conveyed by the printed words is incompatible with the ink color (i.e., incongruent case: for a comprehensive review, see [18]). In the color naming task, stimulus feature from one dimension (color) is a tar ...
Psychology 381
... Stimulus Specificity • Habituation – Quite stimulus specific – Stimulus generalization of habituation ...
... Stimulus Specificity • Habituation – Quite stimulus specific – Stimulus generalization of habituation ...
Document
... Electrode Distance and First Spike Latency • Does the distance from the stimulating electrode correlate to the observed latency? • Others have made the observation that with a monosynaptic connection, distance is highly ...
... Electrode Distance and First Spike Latency • Does the distance from the stimulating electrode correlate to the observed latency? • Others have made the observation that with a monosynaptic connection, distance is highly ...
How is the stimulus represented in the nervous system?
... The problem comes in estimating P(v) and P(n) which may be difficult to do meaningfully, especially for natural stimuli. Thus we often work on the forward problem, estimating the response given an arbitrary stimulus, and postpone the reverse problem. There is another problem: what is the appropriate ...
... The problem comes in estimating P(v) and P(n) which may be difficult to do meaningfully, especially for natural stimuli. Thus we often work on the forward problem, estimating the response given an arbitrary stimulus, and postpone the reverse problem. There is another problem: what is the appropriate ...
2) Classical Conditioning
... In classical conditioning no new behaviors are learned. Instead, an association is developed (through pairing) between the NS and the US so that the animal / person responds to both stimuli in the same way, which means that after conditioning, both the US and the CS will elicit the same involuntary ...
... In classical conditioning no new behaviors are learned. Instead, an association is developed (through pairing) between the NS and the US so that the animal / person responds to both stimuli in the same way, which means that after conditioning, both the US and the CS will elicit the same involuntary ...
Visually Induced Ocular Torsion
... visual scene enriched with spatial clues important for maintaining posture was found to induce significantly more torsion compared to a scene without spatial clues. The degree of stimuli tilt had no significant effect, nor the stimuli periphery. In the second study, torsional response was shown to d ...
... visual scene enriched with spatial clues important for maintaining posture was found to induce significantly more torsion compared to a scene without spatial clues. The degree of stimuli tilt had no significant effect, nor the stimuli periphery. In the second study, torsional response was shown to d ...
SC1l Terminology TRACK CHANGES
... present when it is not. This can only be verified in a controlled testing scenario. Also referred to as false alert however the preferred term is false positive. . See false response. Scientific usage: Type I error. Operational usage: In a controlled ...
... present when it is not. This can only be verified in a controlled testing scenario. Also referred to as false alert however the preferred term is false positive. . See false response. Scientific usage: Type I error. Operational usage: In a controlled ...
Information Theory and Neural Coding
... barrel, stimulated D2 whisker as well as surrounding whiskers. Response PSTHs shown on right While spike counts were not very informative about which whisker was stimulated, response latency carried large amounts of information. ...
... barrel, stimulated D2 whisker as well as surrounding whiskers. Response PSTHs shown on right While spike counts were not very informative about which whisker was stimulated, response latency carried large amounts of information. ...
PowerPoint - Developmental Disabilities Council
... “Cowardice asks the question – is it safe? Expediency asks the question – is it politic? Vanity asks the question – is it popular? But conscience asks the question – is it right? And there comes a time when one must take the position that is neither safe, nor politic, nor popular. But one must do ...
... “Cowardice asks the question – is it safe? Expediency asks the question – is it politic? Vanity asks the question – is it popular? But conscience asks the question – is it right? And there comes a time when one must take the position that is neither safe, nor politic, nor popular. But one must do ...