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Consciousness and Cognition

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https://www.readbyqxmd.com/read/28222382/corporeal-illusions-in-chronic-spinal-cord-injuries
#1
Michele Scandola, Salvatore Maria Aglioti, Renato Avesani, Gianettore Bertagnoni, Anna Marangoni, Valentina Moro
While several studies have investigated corporeal illusions in patients who have suffered from a stroke or undergone an amputation, only anecdotal or single case reports have explored this phenomenon after spinal cord injury. Here we examine various different types of bodily misperceptions in a comparatively large group of 49 people with spinal cord injury in the post-acute and chronic phases after the traumatic lesion onset. An extensive battery of questionnaires concerning a variety of body related feelings was administered and the results were correlated to the main clinical variables...
February 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28222381/domain-specific-and-domain-general-processes-underlying-metacognitive-judgments
#2
Lisa M Fitzgerald, Mahnaz Arvaneh, Paul M Dockree
Metacognition and self-awareness are commonly assumed to operate as global capacities. However, there have been few attempts to test this assumption across multiple cognitive domains and metacognitive evaluations. Here, we assessed the covariance between "online" metacognitive processes, as measured by decision confidence judgments in the domains of perception and memory, and error awareness in the domain of attention to action. Previous research investigating metacognition across task domains have not matched stimulus characteristics across tasks raising the possibility that any differences in metacognitive accuracy may be influenced by local task properties...
February 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28222380/libet-s-experiment-questioning-the-validity-of-measuring-the-urge-to-move
#3
Tomáš Dominik, Daniel Dostál, Martin Zielina, Jan Šmahaj, Zuzana Sedláčková, Roman Procházka
The time of subjectively registered urge to move (W) constituted the central point of most Libet-style experiments. It is therefore crucial to verify the W validity. Our experiment was based on the assumption that the W time is inferred, rather than introspectively perceived. We used the rotating spot method to gather the W reports together with the reports of the subjective timing of actual movement (M). The subjects were assigned the tasks in two different orders. When measured as first in the respective session, no significant difference between W and M values was found, which suggests that uninformed subjects tend to confuse W for M reports...
February 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28219788/immersion-in-altered-experience-an-investigation-of-the-relationship-between-absorption-and-psychopathology
#4
REVIEW
Cherise Rosen, Nev Jones, Kayla A Chase, Jennifer K Melbourne, Linda S Grossman, Rajiv P Sharma
Understanding alterations in perceptual experiences as a component of the basic symptom structure of psychosis may improve early detection and the identification of subtle shifts that can precede symptom onset or exacerbation. We explored the phenomenological construct of absorption and psychotic experiences in both clinical (bipolar psychosis and schizophrenia spectrum) and non-clinical participants. Participants with psychosis endorsed significantly higher absorption compared to the non-clinical group. Absorption was positively correlated with all types of hallucinations and multiple types of delusions...
February 17, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28215463/markers-of-tms-evoked-visual-conscious-experience-in-a-patient-with-altitudinal-hemianopia
#5
Chiara Mazzi, Gaetano Mazzeo, Silvia Savazzi
Transcranial magnetic stimulation (TMS) of the occipital and parietal cortices can induce phosphenes, i.e. visual sensations of light without light entering the eyes. In this paper, we adopted a TMS-EEG interactive co-registration approach with a patient (AM) showing altitudinal hemianopia. Occipital and parietal cortices in both hemispheres were stimulated while concurrently recording EEG signal. Results showed that, for all sites, neural activity differentially encoding for the presence vs. absence of a conscious experience could be found in a cluster of electrodes close to the stimulation site at an early (70ms) time-period after TMS...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214772/i-could-have-done-otherwise-availability-of-counterfactual-comparisons-informs-the-sense-of-agency
#6
Eugenia Kulakova, Nima Khalighinejad, Patrick Haggard
Personal control and agency are closely associated with the counterfactual notion that a person could have done otherwise (CDO). In both philosophy and law, this counterfactual evaluation determines responsibility and punishment, yet little is known about its influence on agents' experience during action. We used a risky decision-making task to study how counterfactual evaluations influenced participants' sense of agency. Two factors were manipulated independently: the presence/absence of counterfactual comparisons between actions and the presence/absence of counterfactual comparisons between outcomes of these actions...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214771/future-oriented-mental-time-travel-in-individuals-with-disordered-gambling
#7
Xavier Noël, Mélanie Saeremans, Charles Kornreich, Nematollah Jaafari, Arnaud D'Argembeau
This study investigated the ability of individuals with disordered gambling to imagine future events. Problem gamblers (n=35) and control participants (n=35) were asked to imagine positive and negative future events for three temporal distances (one week, one year, 5-10years). Then, a variety of phenomenological aspects of their future thoughts (e.g., sensory and contextual details, autonoetic consciousness) were rated. Compared to control subjects, problem gamblers generated fewer positive and negative events across all temporal distances, an impairment that was correlated to verbal fluency scores...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214770/masked-emotional-priming-a-double-dissociation-between-direct-and-indirect-effects-reveals-non-conscious-processing-of-emotional-information-beyond-valence
#8
Dirk Wentura, Michaela Rohr, Juliane Degner
We demonstrate non-conscious processing beyond valence by employing the masked emotional priming paradigm (Rohr, Degner, & Wentura, 2012) with a stimulus-onset asynchrony (SOA) variation. Emotional faces were briefly presented and directly masked, followed by the target face, using a SOA of either 43ms or 143ms. Targets were categorized as happy, angry, fearful, or sad. With short SOA, we replicated the differentiated priming effect within the negative domain (i.e., angry differentiate from fearful/sad). A direct test of prime awareness indicated that primes could not be discriminated consciously in this condition...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214769/supporting-older-and-younger-adults-memory-for-recent-everyday-events-a-prospective-sampling-study-using-sensecam
#9
Ali Mair, Marie Poirier, Martin A Conway
This study measured the effect of a wearable camera, SenseCam, on older and younger adults' memories of recently experienced everyday events. Participants used SenseCam to prospectively sample events from a typical week, which they recalled two weeks later. Recall was cued by a self-generated title only (control condition), by the title and forward-order SenseCam images, or by the title and random-order SenseCam images. In the control condition, older and younger adults' memories were comparably episodic, but older adults recalled more semantic details...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214768/selective-attention-meets-spontaneous-recognition-memory-evidence-for-effects-at-retrieval
#10
Katherine C Moen, Jeremy K Miller, Marianne E Lloyd
Previous research on the effects of Divided Attention on recognition memory have shown consistent impairments during encoding but more variable effects at retrieval. The present study explored whether effects of Selective Attention at retrieval and subsequent testing were parallel to those of Divided Attention. Participants studied a list of pictures and then had a recognition memory test that included both full attention and selective attention (the to be responded to object was overlaid atop a blue outlined object) trials...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214767/exploring-relations-among-mindfulness-facets-and-various-meditation-practices-do-they-work-in-different-ways
#11
Ausiàs Cebolla, Daniel Campos, Laura Galiana, Amparo Oliver, Jose Manuel Tomás, Albert Feliu-Soler, Joaquim Soler, Javier García-Campayo, Marcelo Demarzo, Rosa María Baños
Several meditation practices are associated with mindfulness-based interventions but little is known about their specific effects on the development of different mindfulness facets. This study aimed to assess the relations among different practice variables, types of meditation, and mindfulness facets. The final sample was composed of 185 participants who completed an on-line survey, including information on the frequency and duration of each meditation practice, lifetime practice, and the Five Facet Mindfulness Questionnaire...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214766/direct-and-generative-retrieval-of-autobiographical-memories-the-roles-of-visual-imagery-and-executive-processes
#12
Rachel J Anderson, Stephen A Dewhurst, Graham M Dean
Two experiments used a dual task methodology to investigate the role of visual imagery and executive resources in the retrieval of specific autobiographical memories. In Experiment 1, dynamic visual noise led to a reduction in the number of specific memories retrieved in response to both high and low imageability cues, but did not affect retrieval times. In Experiment 2, irrelevant pictures reduced the number of specific memories but only in response to low imageability cues. Irrelevant pictures also increased response times to both high and low imageability cues...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28214765/higher-theta-and-alpha1-coherence-when-listening-to-vedic-recitation-compared-to-coherence-during-transcendental-meditation-practice
#13
Frederick Travis, Niyazi Parim, Amrita Shrivastava
This study compared subjective experiences and EEG patterns in 37 subjects when listening to live Vedic recitation and when practicing Transcendental Meditation (TM). Content analysis of experiences when listening to Vedic recitation yielded three higher-order code. Experiences during Vedic recitation were: (1) deeper than during TM practice; (2) experienced as an inner process; and (3) characterized by lively silence. EEG patterns support these higher-order codes. Theta2 and alpha1 frontal, parietal, and frontal-parietal coherence were significantly higher when listening to Vedic recitation, than during TM practice...
February 16, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28212501/dream-content-of-canadian-males-from-adolescence-to-old-age-an-exploration-of-ontogenetic-patterns
#14
Allyson Dale, Alexandre Lafrenière, Joseph De Koninck
The present study was a first look at the ontogenetic pattern of dream content across the lifespan for men. The participants included 50 Canadian men in each of 5 age groups, from adolescence to old age including 12-17, 18-24, 25-39, 40-64, and 65-85. The last age group included 31 participants, totaling 231 males. One dream per participant was scored by two independent judges using content analysis. Trend analysis was used to determine the lifespan-developmental pattern of the dream content categories. Results demonstrated a predominance of aggressive dream imagery in the adolescent age group in line with social-developmental research...
February 14, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28190673/interplay-between-supramodal-attentional-control-and-capacity-limits-in-the-low-level-visual-processors-modulate-the-tendency-to-inattention
#15
Massimiliano Papera, Anne Richards
When engaged in a demanding task, individuals may neglect unexpected visual stimuli presented concomitantly. Here we use a change detection task to show that propensity to inattention is associated with a flexible allocation of attentional resources to filter and represent visual information. This was reflected by N2 posterior contralateral (N2pc) and contralateral delay activity (CDA) respectively, but also during high-order reorienting of attentional resources (known as anterior directing attention negativity, ADAN)...
February 9, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28187372/symptom-overreporting-and-dissociative-experiences-a-qualitative-review
#16
REVIEW
H Merckelbach, I Boskovic, D Pesy, M Dalsklev, S J Lynn
We discuss a phenomenon that has received little attention to date in research on dissociative phenomena, namely that self-reports of these phenomena overlap with the tendency to overendorse eccentric items. We review the literature documenting the dissociation-overreporting link and then briefly discuss various interpretations of this link: (1) overreporting is an artifact of measuring dissociative symptoms; (2) dissociative psychopathology engenders overreporting of eccentric symptoms through fantasy proneness or impairments in internal monitoring; (3) an overreporting response style as is evident in malingerers, for example, promotes reports of dissociative symptoms...
February 7, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28187371/the-psychological-distance-of-memories-examining-causal-relations-with-mood-and-self-esteem-in-young-middle-aged-and-older-adults
#17
Burcu Demiray, Alexandra M Freund
Three studies examined the self-enhancement function of autobiographical memory (measured with subjective temporal distance of memories). Participants recalled a memory of an attained and a failed goal and rated the subjective distance between each memory and the present. Study 1 showed that young adults with higher self-esteem felt closer to memories of attained goals and farther from failure memories than those with lower self-esteem. In Study 2, young, middle-aged and older adults with higher self-esteem felt closer to success memories, whereas self-esteem was unrelated to the temporal distance of failure memories...
February 7, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28171831/discrepancy-between-subjective-autobiographical-reliving-and-objective-recall-the-past-as-seen-by-alzheimer-s-disease-patients
#18
Mohamad El Haj, Pascal Antoine
This paper investigated whether Alzheimer's disease (AD) patients may demonstrate a discrepancy between subjective autobiographical reliving and objective recall. To this end, 31 AD patients and 35 controls were asked to retrieve three autobiographical memories. For each memory, participants were asked to rate its subjective characteristics (e.g., reliving, travel in time, visual imagery…). Besides this subjective assessment, we analyzed recall objectively with regard to specificity. Results showed poorer subjective autobiographical reliving and objective recall in AD patients than in controls...
February 4, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28161599/uncharted-features-and-dynamics-of-reading-voices-characters-and-crossing-of-experiences
#19
Ben Alderson-Day, Marco Bernini, Charles Fernyhough
Readers often describe vivid experiences of voices and characters in a manner that has been likened to hallucination. Little is known, however, of how common such experiences are, nor the individual differences they may reflect. Here we present the results of a 2014 survey conducted in collaboration with a national UK newspaper and an international book festival. Participants (n=1566) completed measures of reading imagery, inner speech, and hallucination-proneness, including 413 participants who provided detailed free-text descriptions of their reading experiences...
February 2, 2017: Consciousness and Cognition
https://www.readbyqxmd.com/read/28161598/language-facilitates-introspection-verbal-mind-wandering-has-privileged-access-to-consciousness
#20
Mikaël Bastian, Sébastien Lerique, Vincent Adam, Michael S Franklin, Jonathan W Schooler, Jérôme Sackur
Introspection and language are the cognitive prides of humankind, but their interactions in healthy cognition remain unclear. Episodes of mind-wandering, where personal thoughts often go unnoticed for some time before being introspected, offer a unique opportunity to study the role of language in introspection. In this paper, we show that inner speech facilitates awareness of mind-wandering. In two experiments, we either interfered with verbal working memory, via articulatory suppression (Exp. 1), or entrained it, via presentation of verbal material (Exp...
February 2, 2017: Consciousness and Cognition
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