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Consciousness and Cognition

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https://www.readbyqxmd.com/read/28735212/externally-controlled-involuntary-cognitions-and-their-relations-with-other-representations-in-consciousness
#1
Donish Cushing, Adam Gazzaley, Ezequiel Morsella
Percepts and action-related urges often enter consciousness insuppressibly. The Reflexive Imagery Task (RIT) was developed to investigate how high-level cognitions (e.g., subvocalizations), too, can enter consciousness in this manner. Limitations of the paradigm include (a) that no data have confirmed subjects' introspections about the involuntary subvocalizations, and (b) that, in everyday life, adaptive responses to involuntary cognitions often depend on the nature of the other contents in consciousness. To address a and b, we developed an RIT in which subjects were presented with visual objects and instructed to not think of the object names...
July 20, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28720401/multisensory-integration-induces-body-ownership-of-a-handtool-but-not-any-handtool
#2
Veronica Weser, Gianluca Finotti, Marcello Costantini, Dennis R Proffitt
Bodily boundaries are computed by integrating multisensory bodily signals and can be experimentally manipulated using bodily illusions. Research on tool use demonstrates that tools alter body representations motorically to account for changes in a user's action repertoire. The present experiment sought to unify perceptual and motoric accounts of tool embodiment using a modified Rubber Hand Illusion (RHI) that also addressed the skill and practice aspects of the tool use literature. In Experiment 1, synchronous multisensory stimulation induced perceptual embodiment of a tool, chopsticks...
July 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28716392/the-amount-of-recent-action-outcome-coupling-modulates-the-mechanisms-of-the-intentional-binding-effect-a-behavioral-and-erp-study
#3
Michael Goldberg, Niko Busch, Elke van der Meer
Our everyday interactions depend on the ability to maintain a feeling of control over our bodily actions, that is, the sense of agency. The intentional binding effect - a perceived temporal shortening between voluntary actions and sensory outcomes - has been shown to implicitly measure agency. We investigated the effect's underlying mechanisms: prediction and retrospective inference. First, long-term and recent action-outcome coupling were compared. Second, brain activity was recorded to uncover the neural correlates of the two mechanisms...
July 14, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28716391/electroencephalographic-markers-of-conscious-and-unconscious-perception
#4
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
July 14, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28712507/a-unity-of-the-self-or-a-multiplicity-of-locations-how-the-graphesthesia-task-sheds-light-on-the-role-of-spatial-perspectives-in-bodily-self-consciousness
#5
REVIEW
Gabriel Arnold, Charles Spence, Malika Auvray
Integrating multisensory stimuli from a self-centred perspective is crucial for the unity of the self. On the other hand, understanding external space and communicating spatial knowledge with others necessitate the adoption of decentred perspectives. How do we juggle these two requirements? In this article, we review those studies that have used the graphesthesia task in order to investigate the perspectives that people adopt when interpreting ambiguous tactile symbols (e.g., b, d, p, and q). With such ambiguous symbols, self-centred and decentred perspectives conflict with one another...
July 13, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28705663/creativity-on-tap-effects-of-alcohol-intoxication-on-creative-cognition
#6
Mathias Benedek, Lisa Panzierer, Emanuel Jauk, Aljoscha C Neubauer
Anecdotal reports link alcohol intoxication to creativity, while cognitive research highlights the crucial role of cognitive control for creative thought. This study examined the effects of mild alcohol intoxication on creative cognition in a placebo-controlled design. Participants completed executive and creative cognition tasks before and after consuming either alcoholic beer (BAC of 0.03) or non-alcoholic beer (placebo). Alcohol impaired executive control, but improved performance in the Remote Associates Test, and did not affect divergent thinking ability...
July 10, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28697981/cooperative-and-competitive-contexts-do-not-modify-the-effect-of-social-intention-on-motor-action
#7
François Quesque, Astrid Mignon, Yann Coello
In social interactions, the movements performed by others can be used to anticipate their intention. The present paper investigates whether cooperative vs competitive contexts influence the kinematics of object-directed motor actions and whether they modulate the effect of social intention on motor actions. An "Actor" and a "Partner" participated in a task consisting in displacing a wooden dowel under time constraint. Before this Main action, the Actor performed a Preparatory action which consisted in placing the dowel at the center of the table...
July 8, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28693813/intensity-and-memory-characteristics-of-near-death-experiences
#8
Charlotte Martial, Vanessa Charland-Verville, Héléna Cassol, Vincent Didone, Martial Van Der Linden, Steven Laureys
Memories of Near-Death Experiences (NDEs) seem to be very detailed and stable over time. At present, there is still no satisfactory explanation for the NDEs' rich phenomenology. Here we compared phenomenological characteristics of NDE memories with the reported experience's intensity. We included 152 individuals with a self-reported "classical" NDE (i.e. occurring in life-threatening conditions). All participants completed a mailed questionnaire that included a measure of phenomenological characteristics of memories (the Memory Characteristics Questionnaire; MCQ) and a measure of NDE's intensity (the Greyson NDE scale)...
July 7, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28693812/predictions-precision-and-agentive-attention
#9
REVIEW
Andy Clark
Ransom, Fazelpour, and Mole (this journal - 2017) raise an important puzzle for the 'prediction error minimization' account of cognitive processing. That account depicts all cognitive processing as fundamentally in the business of minimizing prediction errors concerning the evolving flow of sensory information. One of the cornerstones of these highly ambitious, would-be unifying accounts is their depiction of attention as nothing other than the process of optimizing the precision (inverse variance) of critical prediction error signals...
July 7, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28689088/looking-for-ideas-eye-behavior-during-goal-directed-internally-focused-cognition
#10
Sonja Walcher, Christof Körner, Mathias Benedek
Humans have a highly developed visual system, yet we spend a high proportion of our time awake ignoring the visual world and attending to our own thoughts. The present study examined eye movement characteristics of goal-directed internally focused cognition. Deliberate internally focused cognition was induced by an idea generation task. A letter-by-letter reading task served as external task. Idea generation (vs. reading) was associated with more and longer blinks and fewer microsaccades indicating an attenuation of visual input...
July 6, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28688964/ageing-and-thought-suppression-performance-its-relationship-with-working-memory-capacity-habitual-thought-suppression-and-mindfulness
#11
James A K Erskine, George J Georgiou, Manavi Joshi, Andrew Deans, Charlene Colegate
A study investigated how the ability to suppress thoughts in the laboratory was affected by type of thought suppressed (positive, negative, neutral), participants' age and working memory capacity (WMC). Linked variables (Use of thought suppression, social desirability, and mindfulness) were measured to assess whether they modified susceptibility to thought intrusion. Younger, middle aged and older adults suppressed three different valenced thoughts in a counterbalanced order for 5-min per thought. Participants then completed a WMC task and questionnaire measures of the linked variables...
July 5, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28687418/expectation-creates-something-out-of-nothing-the-role-of-attention-in-iconic-memory-reconsidered
#12
Jaan Aru, Talis Bachmann
Conscious experience is modulated by attention and expectation, yet is believed to be independent of attention. The experiments on iconic memory (IM) are usually taken as support for this claim. However, a recent experiment demonstrated that when attention is diverted away from the IM letter display subjects fail to see the absence of IM letters. Here we contribute to the ongoing debate by overcoming experimental shortcomings of this previous experiment, by measuring subjective visibility and by testing the effect of the post-cue...
July 4, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28684266/cognitive-control-outside-of-conscious-awareness
#13
Adriano Linzarini, Olivier Houdé, Grégoire Borst
No abstract text is available yet for this article.
July 3, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28683360/psychics-aliens-or-experience-using-the-anomalistic-belief-scale-to-examine-the-relationship-between-type-of-belief-and-probabilistic-reasoning
#14
Toby Prike, Michelle M Arnold, Paul Williamson
A growing body of research has shown people who hold anomalistic (e.g., paranormal) beliefs may differ from nonbelievers in their propensity to make probabilistic reasoning errors. The current study explored the relationship between these beliefs and performance through the development of a new measure of anomalistic belief, called the Anomalistic Belief Scale (ABS). One key feature of the ABS is that it includes a balance of both experiential and theoretical belief items. Another aim of the study was to use the ABS to investigate the relationship between belief and probabilistic reasoning errors on conjunction fallacy tasks...
July 3, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28676191/-being-there-and-remembering-it-presence-improves-memory-encoding
#15
Dominique Makowski, Marco Sperduti, Serge Nicolas, Pascale Piolino
Few studies have investigated the link between episodic memory and presence: the feeling of "being there" and reacting to a stimulus as if it were real. We collected data from 244 participants after they had watched the movie Avengers: Age of Ultron. They answered questions about factual (details of the movie) and temporal memory (order of the scenes) about the movie, as well as their emotion experience and their sense of presence during the projection. Both higher emotion experience and sense of presence were related to better factual memory, but not to temporal order memory...
July 1, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28666186/eeg-correlates-of-cognitive-time-scales-in-the-necker-zeno-model-for-bistable-perception
#16
J Kornmeier, E Friedel, M Wittmann, H Atmanspacher
The Necker-Zeno model of bistable perception provides a formal relation between the average duration of meta-stable percepts (dwell times T) of ambiguous figures and two other basic time scales (t0, ΔT) underlying cognitive processing. The model predicts that dwell times T covary with t0, ΔT or both. We tested this prediction by exploiting that observers, in particular experienced meditators, can volitionally control dwell times T. Meditators and non-meditators observed bistable Necker cubes either passively or tried to hold their current percept...
June 27, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28666185/multilevel-analysis-of-individual-differences-in-regularities-of-grapheme-color-associations-in-synesthesia
#17
Daisuke Hamada, Hiroki Yamamoto, Jun Saiki
Grapheme-color synesthesia is a neurological phenomenon where visual perception of letters and numbers stimulates perception of a specific color. Grapheme-color correspondences have been shown to be systematically associated with grapheme properties, including visual shape difference, ordinality, and frequency. However, the contributions of grapheme factors differ across individuals. In this study, we applied multilevel analysis to test whether individual differences in regularities of grapheme-color associations could be explained by individual styles of processing grapheme properties...
June 27, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28663011/evoked-and-event-related-potentials-in-disorders-of-consciousness-a-quantitative-review
#18
Boris Kotchoubey
Sixty-one publications about evoked and event-related potentials (EP and ERP, respectively) in patients with severe Disorders of Consciousness (DoC) were found and analyzed from a quantitative point of view. Most studies are strongly underpowered, resulting in very broad confidence intervals (CI). Results of such studies cannot be correctly interpreted, because, for example, CI>1 (in terms of Cohen's d) indicate that the real effect may be very strong, very weak, or even opposite to the reported effect. Furthermore, strong negative correlations were obtained between sample size and effect size, indicating a possible publication bias...
June 26, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28658652/beyond-differences-between-the-body-schema-and-the-body-image-insights-from-body-hallucinations
#19
REVIEW
Victor Pitron, Frédérique de Vignemont
The distinction between the body schema and the body image has become the stock in trade of much recent work in cognitive neuroscience and philosophy. Yet little is known about the interactions between these two types of body representations. We need to account not only for their dissociations in rare cases, but also for their convergence most of the time. Indeed in our everyday life the body we perceive does not conflict with the body we act with. Are the body image and the body schema then somehow reshaping each other or are they relatively independent and do they only happen to be congruent? On the basis of the study of bodily hallucinations, we consider which model can best account for the body schema/body image interactions...
June 25, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28654840/an-emotional-stroop-task-with-faces-and-words-a-comparison-of-young-and-older-adults
#20
Ana I Agustí, Encarnación Satorres, Alfonso Pitarque, Juan C Meléndez
ANTECEDENTS: Given the contradictions of previous studies on the changes in attentional responses produced in aging a Stroop emotional task was proposed to compare young and older adults to words or faces with an emotional valence. METHOD: The words happy or sad were superimposed on faces that express the emotion of happiness or sadness. The emotion expressed by the word and the face could agree or not (cued and uncued trials, respectively). 85 young and 66 healthy older adults had to identify both faces and words separately, and the interference between the two types of stimuli was examined...
June 24, 2017: Consciousness and Cognition
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