Stimuli space perception. Medical search. Frequent questions

Decades of cognition research have shown that external stimuli "spark" neural patterns in particular regions of the brain. (harvard.edu)
Attention, concentration, distractibility - refers to the patient's inability to sustain attention because of competing internal or external stimuli. (casperdetoledo.com)
Deprived of external stimuli, the brain generates its own. (discovermagazine.com)

Sensitivity to sensory signals depends on neuronal tuning to specific parameters of sensory stimuli, such as orientation of edges for visual stimuli or tone frequency for auditory stimuli. (jneurosci.org)
There are many systems available to present visual and/or auditory stimuli and collect accuracy/RT data. (stonybrook.edu)

Excitatory and inhibitory neurons in the mammalian sensory cortex form interconnected circuits that control cortical stimulus selectivity and sensory acuity. (jneurosci.org)
SIGNIFICANCE STATEMENT Excitatory and inhibitory interactions determine stimulus specificity and tuning in sensory cortex, thereby controlling perceptual discrimination acuity. (jneurosci.org)
The balance between inhibitory and excitatory stimulus representation in the sensory cortex has been proposed to underlie learning- and adaptation- dependent changes in stimulus-driven responses ( Froemke, 2015 ). (jneurosci.org)
Affective blindsight refers to the residual visual ability of patients with damage to the primary visual cortex (V1, striate cortex ) to react reliably to the emotional valence of stimuli presented to their blind visual fields and whose presence and properties they are unable to report. (scholarpedia.org)
Stimulus presentation was controlled using CORTEX software (Laboratory of Neuropsychology, National Institute of Mental Health, on a computer with an Intel Core i3-540 processor. (researchgate.net)
2022 ) Dynamic causal interactions between occipital and parietal cortex explain how endogenous spatial attention and stimulus-driven salience jointly shape the distribution of processing priorities in 2D visual space. (neurotree.org)

9421 Charleville Boulevard, Beverly Hills, California 90212 U.S.A. (213) 276-5443 Approved For Release 2000/08/08 : CIA-RDP96-00789R002200130001-3 Approved For Release 2000/08/08 : CIA-RDP96-00789R002200130001-3 ABSTRACT In experimental studies of remote perception the analysis of the resulting data for accuracy and information content has utilized techniques based on rankings by judges and encodings of targets and responses with sets of descriptors. (cia.gov)
First, by comparing responses in the STS with animations of human and robot walking figures, we determined (1) that the STS is sensitive to biological motion itself, not merely to the superficial characteristics of the stimulus. (jneurosci.org)
For example, visual field maps contain neurons that represent increasing large parts of visual space with increasingly complex responses. (biorxiv.org)
In addition to its visual impact, architecture has the power to evoke emotional responses through soundscapes created within spaces. (rcenter2.org)
They then make assumptions to constrain each term in the Bayesian framework, explore how differentiable parameter values are in their model, and apply the technique to two studies that use Bayesian decision theory to explain behavioral responses: time interval estimation and motion perception. (nips.cc)
Action-induced blindness with lateralized stimuli and responses. (mpg.de)
In this work, we investigate the vertical SE when both stimuli and responses are located along the vertical dimension. (bvsalud.org)

Tagliabue and co-workers (2000) showed ulus onset activates the corresponding response through that 72 incompatible trials in a previous spatial com- an unconditional route, irrespective of the instruction of patibility task modulate the Simon effect along the the stimulus identification. (bvsalud.org)

With regard to psychophysics, we relate the saltation phenomenon to dynamics and interaction in early sensory cortices and predict further effects in the perception of spatiotemporal stimuli. (nih.gov)

Barwich melds a philosophical perspective with a rich history of olfactory science, tackling big questions with layers of perceptual, psychological, and neurobiological explanations…She offers rich discussions of olfactory perception, the conscious and subconscious impacts of smell on behavior and emotion, and the physical and behavioral details that determine what odors we inhale, furnishing broad insights into the psychology of olfaction. (harvard.edu)
The same holds true for studies that investigate perceptual recognition of emotions in the absence of stimulus awareness in neurological populations with lesions to brain areas that are not primarily visual. (scholarpedia.org)
Through scaling of perceptual attributes and similarities, a three dimensional space was found to best describe the data and the dimensions were interpreted as rough-smooth, thick-thin and distinct-indistinct. (diva-portal.org)
The dimensionality found with paper stimuli was very similar to the corresponding spaces for marcrotextures of everyday materials, even though a different perceptual system is used for fine texture perception. (diva-portal.org)
The effect of perceptual grouping on haptic numerosity perception. (uni-bielefeld.de)
Here, self- or other-hands presented in first- or third-person perspective were compared in a breaking-Continuous Flash Suppression paradigm (Experiment 1) measuring the time the stimuli need to access visual awareness, and in a Binocular Rivalry paradigm (Experiment 2), measuring predominance in perceptual awareness. (bvsalud.org)

Here, we capitalized on differences between subjects to test whether suppressing/activating inhibition and excitation can in fact exhibit such paradoxical effects for both stimulus sensitivity and behavioral discriminability. (jneurosci.org)
Behavioral signatures of face perception emerge in deep neural networks optimized for face recognition. (uni-giessen.de)

Other important functions include sensory perception, immunologic surveillance, thermoregulation, and control of insensible fluid loss. (medscape.com)

As topographic representations reflect the stimuli's relatedness, the temporal structure of incoming stimuli is important for the learning in cortical maps. (nih.gov)
Motivated by recent neurobiological findings, we present an approach of cortical self-organization that additionally takes temporal stimulus aspects into account. (nih.gov)

The flanker stimuli were identical to the sample and test stimuli in terms of size, SF and orientation. (researchgate.net)
When do irrelevant visual stimuli impair processing of identical targets? (mpg.de)

Moksha produced an environment where the unique characteristics of scent perception were used to communicate emotions and ideas. (watershed.co.uk)
Characteristics of tasks involving non-roving and roving stimuli. (researchgate.net)

This comparative study analyzes how stress is created through the mise-en-scene and characters in the two feature length lms Good Time (2017) and Boiling Point (2021). (lu.se)

The goal is to better understand the mechanisms involved in haptic perception of textures below 200 µm, also known as microtextures. (diva-portal.org)
Our laboratories have measuring instruments and experimental setups for studies of visual and haptic perception as well as sensorimotor coordination. (uni-giessen.de)
Haptic perception. (uni-bielefeld.de)

We think of the brain as a space we can map: here it responds to faces, there it perceives a sensation. (harvard.edu)
Upending existing theories of perception, Smellosophy offers a new model for understanding how the brain senses and processes odors. (harvard.edu)
We use our eyes to direct attention to a stimulus and help the brain understand where the body is located in space (self-perception). (cognifit.com)
Our proposed research will investigate the mechanisms involved in construction of an internal model of space by imposing a gross distortion on incoming visuospatial information and observing various areas of the brain for signs of adaptive plastic reorganization. (neurotree.org)
When connectivity data were embedded into a low-dimensional space in which proximity represents functional similarity, we observed greater distances between brain regions during stages of reduced consciousness, and individual recording sites became closer to their nearest neighbors. (bvsalud.org)
However, in the patient with a history of chronic nonfacial pain or in the fearful patient, brain neurophysiology may be altered so as to facilitate pain perception. (medscape.com)

Stimulus roving' refers to a paradigm in which the properties of the stimuli to be discriminated vary from trial to trial, rather than being kept constant throughout a block of trials. (researchgate.net)
Blindness to response-compatible stimuli in the psychological refractory period paradigm. (mpg.de)

Exposure to risk stimuli , Deprivation of stimuli , and Exposure to protective stimuli . (bvsalud.org)

In particular, the model tests the hypothesis that perception tracks the evolution of sound events in a multidimensional feature space, and flags any deviation from background statistics as salient. (nih.gov)

Several remote or head-mounted eye trackers are also available for psycholinguistic and visual cognition and perception studies. (stonybrook.edu)

There is a gap in understanding how a temporal lag between visual and vestibular motion cues affects visual-vestibular weighting during self-motion perception. (mit.edu)
Spatial perspective and identity of visual bodily stimuli are two key cues for the self-other distinction. (bvsalud.org)

The regular recurrence, in cycles of about 24 hours, of biological processes or activities, such as sensitivity to drugs and stimuli, hormone secretion, sleeping, and feeding. (lookformedical.com)

Affective blindsight in cortically blind persons thus presents the clearest case of non-conscious emotion perception because, when visual parameters like luminance are carefully controlled, the patients literally cannot see nor visually acknowledge the presence of a stimulus. (scholarpedia.org)
Apart from the contrast levels, all stimulus parameters were the same as those used previously during training on the non-roving task described in Chen et al. (researchgate.net)

Instead of trying to directly modify interpersonal, extrinsic relationships (a top-down approach), dysfunctional emotional-relational patterns may be modified by a process in which the patient is helped to let-go of the perceived feeling-objects in favor of an immersion, via the actual feeling, from the superficial level of perception towards a void feeling-state, empty of images. (frontiersin.org)
To the extent that non-conscious vision can be created by experimental techniques in normally seeing individuals, their residual abilities are also referred to as affective blindsight when it concerns to emotional stimuli. (scholarpedia.org)
The notion that emotional information is processed notwithstanding limited visual awareness or attention represents a radical departure from previous psychodynamic conceptualizations of non-conscious perception of emotions toward evolutionary and neuroscientific accounts. (scholarpedia.org)
We provide new evidence that elementary aspects of presentation technology affect the emotional processing of virtual stimuli, that perception of our environment affects the way we assess our environment, and that communication technologies affect social bonding between users. (uni-wuerzburg.de)
This research improves the understanding of the emotional impact of colored light in space. (frontiersin.org)
Recently, with the development of digital technology, colored lights have been widely used to improve the emotional experience of individuals in space ( Lee and Lee, 2022 ). (frontiersin.org)
Therefore, to provide a high-quality emotional experience as the display space needs, an abstract study of lighting, individuals, visual objects, and space atmosphere is particularly important. (frontiersin.org)
The paper features an extensive analytical chapter which looks at di erent aspects of mise-en-scene through subsequently divided subchapters, and is fol owed by an outlook into the emotional role of the lm's characters and their environments. (lu.se)

During postnatal development, this original ("archetypal") imaginative function is slowly attuned in a relational "transitional" space and may be expressed first in non-verbal and eventually in abstract-verbal social communicative patterns. (frontiersin.org)

Offers rich discussions of olfactory perception, the conscious and subconscious impacts of smell on behavior and emotion. (harvard.edu)
They explored what combination of techniques and technologies allowed the organisation of smell stimuli into meaningful content and how this could be deployed to deliver scent-based experiences in public spaces such as retail, entertainment venues, museums, cinemas and galleries. (watershed.co.uk)

Professor Charles Spence heads the Crossmodal Research Laboratory at the University of Oxford's Somerville College, studying the psychology of human perception and the interactions of senses. (popsci.com)
Journal of Experimental Psychology: Human Perception and Performance. (northumbria.ac.uk)
Our department is part of national and international collaborations and networks that are, for example, focused on investigating the most important aspects of human perception (Collaborative Research Center Cardinal Mechanisms of Perception ) or multisensory integration in a dynamic environment (Research Training Network Dyvito ). (uni-giessen.de)

Culture and perception, Subliminal perception. (vajiramandravi.com)
Interested in incidental or optical forms, structures and spaces, this new installation created specifically for this exhibition space, investigates notion of the subliminal and how this phenomena can cause profound shifts in perception through multiple points of entry. (rmg.on.ca)

The results for the remote perception pilot study are compared with structures derived by multidimensional scaling from a comparison study using the same targets normally perceived. (cia.gov)
In Study II an expanded set, including the set of Study I, was used as stimuli in a multidimensional scaling (MDS) experiment of haptic fine texture perception. (diva-portal.org)

Consistent with this, conscious detection of a stimulus by neglect patients depends heavily on whether other stimuli are presented simultaneously, and may be transiently improved by several clinical interventions. (scholarpedia.org)

Motion sickness most likley occurs when the stimuli applied to these receptors appear to be in conflict. (medscape.com)
In 1802, Thomas Young proposed a model that perception of colour can be coded by three principal colour receptors rather than thousands of colour receptors coding for individual colours. (utah.edu)
The primary sensory areas receive somesthetic, auditory, visual, and gustatory stimuli from the thalamus, which receives stimuli from specialized sensory organs and peripheral receptors. (msdmanuals.com)

Furthermore, we argue that average temporal stimulus distances reflect the stimuli's relatedness. (nih.gov)
Desde principios de la década de los ochentas algunos autores han expuesto sus reflexiones sobre la necesidad de incorporar las variantes cualitativas y de variabilidad temporal en los índices de confort. (upc.edu)
Temporal dissociations in perception and action control. (mpg.de)
For example, although the occipital lobe is essential to visual processing, parts of the parietal, temporal, and frontal lobes on both sides also process complex visual stimuli. (msdmanuals.com)

Hand-eye coordination, or eye-hand coordination, is the ability to do activities that require the simultaneous use of our hands and eyes , like an activity that uses the information our eyes perceive (visual spatial perception) to guide our hands to carry out a movement. (cognifit.com)

Numerosity perception is implicated in many cognitive functions including foraging, multiple object tracking, dividing attention, decision making and mathematics. (biorxiv.org)
At Brandywine, he teaches courses in cognitive psychology, perception, and language, as well as the senior research seminar in psychology. (psu.edu)

For instance, it is likely that neural activity in the cerebellum does not underlie any conscious perception, and thus is not part of the Neural Correlates of Consciousness. (scholarpedia.org)
Summarizing, the emergence of self-other distinction into visual awareness would strongly depend on the interplay between spatial perspectives, with an inverse prioritization before and after conscious perception. (bvsalud.org)

In these cases, however, the deficit of visual awareness is remarkably different from that shown by blindsight patients and arises at later stages of stimulus processing that are most likely related to the ability to orient attention toward stimuli presented in a portion of the space, rather than to a defect directly due to visual perception (Driver & Mattingley, 1998). (scholarpedia.org)
These are creative environments that ultimately direct viewers towards spaces of contemplation allowing us to face, question and experience the challenges that arises from an acute sense of otherness and difference, in order to find new ways of speaking to aspects of humanity and cultural representation, even when those meanings remain elusive and fleeting. (rmg.on.ca)

2019 ) Laws of concatenated perception: Vision goes for novelty, decisions for perseverance. (neurotree.org)
Moreover, with the development of human-computer interactions, the metaverse, and other technologies into all aspects of our lives, display space involves not only the observation of these visual objects in the real space environment, but also the virtual environment and even the combination of them ( Song and Yamada, 2019 ). (frontiersin.org)
The design of illumination in space has a certain universality, but it is unique due to the different interrelationships among lighting, people, visual objects, and space needs ( Lee, 2019 ). (frontiersin.org)

In work that makes use of various sensorial stimuli, motion, projections, shadows, and reflections, Havre brings to light relationships between the body, representation and "otherness" challenging the ways in which we perceive our surroundings through the breaking of thresholds. (rmg.on.ca)

Thereby, neural topography is related to stimulus dynamics. (nih.gov)

Stimulus representation is a functional interpretation of early sensory cortices. (nih.gov)

The remote perception study shows no deviation from chance by the criterion developed here but the resulting two-dimensional semantic structure shows parallels with that from the comparison study and gives weak evidence for the existence of the underlying semantic dimensions of predominately man-made scenes versus predominately natural scenes and the presence versus the absence of land-water interfaces in the scenes. (cia.gov)
As in Study II, a similarity experiment was conducted and a two dimensional space was chosen, the dimensions of which were explained well through friction and the wavelength. (diva-portal.org)

Certain biological effects of visual perception are discussed in Sutherland's work. (wikipedia.org)
Many functional neuroimaging studies of biological motion have used as stimuli point-light displays of walking figures and compared the resulting activations with those evoked by the same display elements moving in a random or noncoherent manner. (jneurosci.org)

It incorporates the sensorium: the entire apparatus of one's perception of the world. (popsci.com)
The technology functions by enhancing one's current perception of reality. (dezzain.com)

Bottom-up attention is a sensory-driven selection mechanism that directs perception toward a subset of the stimulus that is considered salient, or attention-grabbing. (nih.gov)
These maps are found in areas implicated in object recognition, motion perception, attention control, decision-making and mathematics. (biorxiv.org)
Attention, concentration - The ability to focus on a given task or set of stimuli for an appropriate period of time. (casperdetoledo.com)

Cones enable color perception and are best in bright (photopic) light. (informit.com)

This finding supports the notion that our perceptions are inferences, constructed in relation to our prior encounters, and relevant incoming information. (noigroup.com)

The vestibular system in the inner ear contributes to the sense of spatial orientation, and together with proprioception - that is, the sense of the relative positions of neighboring body parts - it allows an overall perception of the body's position, acceleration and movement in space. (discovermagazine.com)

Investigation of this condition offers a unique opportunity to understand the neuro-functional bases of emotion perception without awareness. (scholarpedia.org)

Theoretical studies have predicted that suppression of inhibition in such excitatory-inhibitory networks can lead to either an increase or, paradoxically, a decrease in excitatory neuronal firing, with consequent effects on stimulus selectivity. (jneurosci.org)
We found that, indeed, the effects of optogenetic manipulation on stimulus selectivity and behavior varied in both magnitude and sign across subjects, possibly reflecting differences in circuitry or expression of optogenetic factors. (jneurosci.org)
A comparison of stimulus variability and task effects in tone and melody perception. (psu.edu)
Phonetic dimensions of tone language effects on musical melody perception. (psu.edu)
Effects of stimulus material on the Fröhlich illusion. (mpg.de)
This difference between decays of the faster and more accurate when stimulus and response horizontal and vertical Simon effects is widely accepted spatially correspond. (bvsalud.org)

Some visual neurons respond to stimuli with a particular numerosity, the number of objects in a set. (biorxiv.org)

Motion sickness is an unpleasant condition that occurs when persons are subjected to motion or the perception of motion. (medscape.com)
The process of observing a visual object occurs in various display spaces in our daily life, such as people observing graphics, images, and objects that can be seen everywhere, as well as observing scenes in movies and games ( Castelhano and Krzyś, 2020 ). (frontiersin.org)

Both artists address liminality and space (both psychological and physical) through visual and spatial play bringing to light relationships between people environments, particularly within situations of social transformation. (rmg.on.ca)

Through careful manipulation of scale, volume control (the relative sizes of spaces), material choices, and acoustics among other factors - architects shape our encounters with buildings. (rcenter2.org)

The vapor is heavier than air and can collect to toxic levels in poorly ventilated spaces. (cdc.gov)

In the horizontal task, the Simon effect task participants are instructed to respond according to decreased as RT increased, whereas in the vertical task a stimulus attribute (e.g. shape or color), irrespective of the Simon effect increased or did not change as a func- its spatial location. (bvsalud.org)

Geographical locations have frequently been used for targets, but there have been few studies which investigate what attributes of such material are preferentially conveyed or how such perceptions are represented. (cia.gov)

While some isolated stages of the visual pathway are well understood, studying the direct link between the physical stimulus and perception remains one of the challenges in vision science. (anr.fr)

Left panel: in tasks with non-roving stimuli, as in Chen et al. (researchgate.net)
These tasks are action spaces where pediatric nursing and other disci- plines linked to childcare should work jointly, as part of a surveil- lance system. (bvsalud.org)

Laboratory facilities include four remote EL1000 eyetrackers and a head-mounted eyetracker for psycholinguistics studies, rooms equipped to study electronic communication and human-computer interaction, sound-isolated chambers for perception and psycholinguistics experiments, and multimedia workstations for presenting stimuli and collecting data. (stonybrook.edu)
Ample office and laboratory space is available for all graduate students. (stonybrook.edu)

Self-motion perception relies primarily on the integration of the visual, vestibular, proprioceptive, and somatosensory systems. (mit.edu)
Nearly all individuals experience it if exposed to enough motion stimuli. (medscape.com)
Nearly all people experience motion sickness if given a strong enough motion stimuli. (medscape.com)

Elucidation of these questions might permit the construction of improved methods of judging remote perception experiments. (cia.gov)

On the systematically varied, rigid, textures, the MDS space did not come out in a similar fashion to those of everyday materials but instead similar to the physical properties that characterizes the change in the textures. (diva-portal.org)

A set of printing papers was used as stimulus material. (diva-portal.org)

On certain occasions, reasonable lighting design can regulate people's emotions and improve their feelings of comfort in a space. (frontiersin.org)

The present thesis is based on three studies that research different aspects of fine texture perception. (diva-portal.org)
Together these three studies form a better picture of fine texture perception. (diva-portal.org)
From these studies the main conclusions are (a) haptically measured friction and surface roughness are important contributors to fine texture perception, (b) even at microscales, spatial information is retrieved haptically, probably through vibrations, and (c) persons can haptically discriminate textures at a nanoscale. (diva-portal.org)

It can be used to add information to existing real-world objects and spaces, or it can create an entirely new environment that blends computer graphics with the physical world. (dezzain.com)
Through the integration of visual arts, music, and the built environment, architecture creates a harmonious relationship that enriches our lives and enhances our perception of space. (rcenter2.org)
2013 ). Yet, as an experience that affects the way we interact with our environment, little is known about the influence that pain has on the way we construct the perceptions of our environment. (noigroup.com)

Unlike in the non-roving task, subjects had to take note of the contrast of the sample stimulus in order to perform the roving task correctly. (researchgate.net)
Roving grating stimuli were positioned at parafoveal locations in the visual field, at the same lower hemifield location as that used in the non-roving task from the previous study, i.e. at an eccentricity of 4.6 u (azimuth: 2 3.5 u , elevation: 2 3 u ) and 1.5 u (azimuth: 2 1.3 u , elevation: 2 0.7 u ) for monkeys 1 and 2, respectively. (researchgate.net)
In Simon task, the response is faster when stimulus and response locations are spatially correspondent than when they are on opposite sides (Simon effect - SE). (bvsalud.org)
2005) compared a horizon- spatial location is an intrinsic property of the stimulus tal and a vertical Simon task by means of a RT time- and cannot be ignored (Tsal & Lavie, 1993), affecting course analysis of the Simon effect. (bvsalud.org)

Analytical, Diagnostic and Therapeutic Techniques and Equipment2

Psychiatry and Psychology11

External stimuli3

Auditory stimuli2

Cortex6

Responses7

20001

Psychophysics1

Perceptual6

Behavioral2

Sensory perception1

Cortical2

Identical2

Characteristics2

20171

Haptic perception3

Brain6

Paradigm2

Exposure1

Hypothesis1

Cognition1

Cues2

Sensitivity1

Parameters2

Emotional8

Abstract1

Smell2

Human perception3

Subliminal2

Multidimensional2

Depends1

Receptors3

Temporal4

Spatial perception1

Cognitive2

Conscious perception2

Arises2

20193

Projections1

Neural1

Representation1

Dimensional2

Biological2

One's2

Attention3

Color perception1

Notion1

Orientation1

Functional1

Effects6

Numerosity1

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Psychological1

Manipulation1

Collect1

Attribute1

Targets1

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Tasks2

Laboratory2

Motion3

Experiments1

Systematically1

Material1

Emotions1

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Task4