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https://www.readbyqxmd.com/read/28080963/is-the-cardiac-monitoring-function-related-to-the-self-in-both-the-default-network-and-right-anterior-insula
#1
Mariana Babo-Rebelo, Nicolai Wolpert, Claude Adam, Dominique Hasboun, Catherine Tallon-Baudry
The self has been proposed to be rooted in the neural monitoring of internal bodily signals and might thus involve interoceptive areas, notably the right anterior insula (rAI). However, studies on the self consistently showed the involvement of midline default network (DN) nodes, without referring to visceral monitoring. Here, we investigate this apparent discrepancy. We previously showed that neural responses to heartbeats in the DN encode two different self-dimensions, the agentive 'I' and the introspective 'Me', in a whole-brain analysis of magnetoencephalography (MEG) data...
November 19, 2016: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28035626/psychology-is-not-primarily-empirical-science-a-comparison-of-cultures-in-the-lexical-hypothesis-tradition-as-a-failure-of-introspection
#2
Václav Linkov
A large part of psychology has become an empirical science that assumes that there might exist one set of research methods suitable for psychological research in all human cultures. Research questions, methods, and theories formulated from one cultural perspective are not thoroughly introspectively examined when being used in another cultural environment. This leads to research that answers questions that are not meaningful in such environments. Research coming from the lexical hypothesis tradition is given as an example...
December 29, 2016: Integrative Psychological & Behavioral Science
https://www.readbyqxmd.com/read/27993332/cognitive-therapy-nature-and-relation-to-behavior-therapy-republished-article
#3
Aaron T Beck
Recent innovations in behavior modification have, for the most part, detoured around the role of cognitive processes in the production and alleviation of symptomatology. Although self-reports of private experiences are not verifiable by other observers, these introspective data provide a wealth of testable hypotheses. Repeated correlations of measures of inferred constructs with observable behaviors have yielded consistent findings in the predicted direction. Systematic study of self-reports suggests that an individual's belief systems, expectancies, and assumptions exert a strong influence on his state of well-being, as well as on his directly observable behavior...
November 2016: Behavior Therapy
https://www.readbyqxmd.com/read/27939856/an-assessment-of-domain-general-metacognitive-responding-in-rhesus-monkeys
#4
Emily Kathryn Brown, Victoria L Templer, Robert R Hampton
Metacognition is the ability to monitor and control one's cognition. Monitoring may involve either public cues or introspection of private cognitive states. We tested rhesus monkeys (Macaca mulatta) in a series of generalization tests to determine which type of cues control metacognition. In Experiment 1, monkeys learned a perceptual discrimination in which a "decline-test" response allowed them to avoid tests and receive a guaranteed small reward. Monkeys declined more difficult than easy tests. In Experiments 2-4, we evaluated whether monkeys generalized this metacognitive responding to new perceptual tests...
December 8, 2016: Behavioural Processes
https://www.readbyqxmd.com/read/27933378/a-train-track-technique-in-anatomic-reconstruction-of-svc-bifurcation-complicated-by-cardiac-tamponade-an-introspection
#5
Karunakaravel Karuppasamy, Mohammed Al-Natour, Ram Kishore Gurajala
This report describes a stenting technique used to anatomically reconstruct superior vena cava (SVC) bifurcation in a patient with benign SVC syndrome. After recanalizing the SVC bifurcation, we exchanged two 0.035-in. wires for two 0.018-in. wires, deployed the SVC stent over these two wires ("train-track" technique), and stented each innominate vein over one wire. However, our decisions to recanalize both innominate veins, use the "buddy-wire" technique for SVC dilation, and dilate the SVC to 16 mm before stent deployment likely contributed to SVC tear, which was managed by resuscitation, SVC stent placement, and pericardial drainage...
December 8, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27917679/the-default-mode-network-in-healthy-individuals-a-systematic-review-and-meta-analysis
#6
Lauren E Mak, Luciano Minuzzi, Glenda MacQueen, Geoffrey Hall, Sidney H Kennedy, Roumen Milev
When the brain is not engaged in goal-directed activities and at rest, there are still measureable patterns of activity. One resting-state network, the default mode network (DMN) is responsible for a self-referential introspective state. There are many factors that influence normal changes in brain activity. The purpose of this review is to summarize differences in DMN functional connectivity in healthy individuals by age, sex, cognitive function, and analysis type to characterize what is "normal." Studies were systematically selected up to August 2016...
January 9, 2017: Brain Connectivity
https://www.readbyqxmd.com/read/27909417/defining-contemplative-science-the-metacognitive-self-regulatory-capacity-of-the-mind-context-of-meditation-practice-and-modes-of-existential-awareness
#7
Dusana Dorjee
The term 'contemplative' is now frequently used in the fast growing field of meditation research. Yet, there is no consensus regarding the definition of contemplative science. Meditation studies commonly imply that contemplative practices such as mindfulness or compassion are the subject of contemplative science. Such approach, arguably, contributes to terminological confusions in the field, is not conducive to the development of an overarching theory in contemplative science, and overshadows its unique methodological features...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27858712/self-consciousness-deficits-in-alzheimer-s-disease-and-frontotemporal-dementia
#8
Eva Ma Arroyo-Anlló, Adèle Turpin Bouston, Marie-Noëlle Fargeau, Begoña Orgaz Baz, Roger Gil
Self-consciousness (SC) is multifaceted and considered to be the consciousness of one's own mental states. The main aim of this paper is to compare SC in patients with Alzheimer's disease (AD) and behavioral variant frontotemporal dementia (bvFTD). Three groups (control and patient groups) of 23 subjects each were assessed using an SC questionnaire. Both types of dementia clearly induce an alteration of SC. The bvFTD group showed a greater impairment in SC than the AD and control groups. The SC score was strongly associated with frontal functions...
2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27831712/what-were-they-thinking-reducing-sunk-cost-bias-in-a-life-span-sample
#9
JoNell Strough, Wändi Bruine de Bruin, Andrew M Parker, Tara Karns, Philip Lemaster, Nipat Pichayayothin, Rebecca Delaney, Rachel Stoiko
We tested interventions to reduce "sunk-cost bias," the tendency to continue investing in failing plans even when those plans have soured and are no longer rewarding. We showed members of a national U.S. life-span panel a hypothetical scenario about a failing plan that was halfway complete. Participants were randomly assigned to an intervention to focus on how to improve the situation, an intervention to focus on thoughts and feelings, or a no-intervention control group. First, we found that the thoughts and feelings intervention reduced sunk-cost bias in decisions about project completion, as compared to the improvement intervention and the no-intervention control...
November 2016: Psychology and Aging
https://www.readbyqxmd.com/read/27825020/are-participants-reports-of-their-own-reaction-times-reliable-re-examining-introspective-limitations-in-active-and-passive-dual-task-paradigms
#10
Donna Bryce, Daniel Bratzke
There is a known introspective limitation in the Psychological Refractory Period (PRP) paradigm - people underestimate the dual-task costs on their second reaction time. The prevailing explanation for this is that conscious awareness of the second stimulus is delayed in time until the first task has been centrally processed. Here, we examined this effect in more detail, by comparing reaction time estimates after processing a PRP task, and after passively experiencing 'replays' of PRP trials. Even when participants had no dual-task processing demands, they did not accurately report the reaction time intervals using a visual analogue scale (the original reporting method of most introspective PRP experiments), but they did when placing markers that represent each event on a timeline...
January 2017: Acta Psychologica
https://www.readbyqxmd.com/read/27810726/introspective-access-to-implicit-shifts-of-attention
#11
Gabriel Reyes, Jérôme Sackur
Literature in metacognition has systematically rejected the possibility of introspective access to complex cognitive processes. This situation derives from the difficulty of experimentally manipulating cognitive processes while abiding by the two contradictory constraints. First, participants must not be aware of the experimental manipulation, otherwise they run the risk of incorporating their knowledge of the experimental manipulation in some rational elaboration. Second, we need an external, third person perspective evidence that the experimental manipulation did impact some relevant cognitive processes...
October 31, 2016: Consciousness and Cognition
https://www.readbyqxmd.com/read/27810345/classical-hallucinogens-and-neuroimaging-a-systematic-review-of-human-studies-hallucinogens-and-neuroimaging
#12
REVIEW
Rafael G Dos Santos, Flávia L Osório, José Alexandre S Crippa, Jaime E C Hallak
Serotonergic hallucinogens produce alterations of perceptions, mood, and cognition, and have anxiolytic, antidepressant, and antiaddictive properties. These drugs act as agonists of frontocortical 5-HT2A receptors, but the neural basis of their effects are not well understood. Thus, we conducted a systematic review of neuroimaging studies analyzing the effects of serotonergic hallucinogens in man. Studies published in the PubMed, Lilacs, and SciELO databases until 12 April 2016 were included using the following keywords: "ayahuasca", "DMT", "psilocybin", "LSD", "mescaline" crossed one by one with the terms "mri", "fmri", "pet", "spect", "imaging" and "neuroimaging"...
December 2016: Neuroscience and Biobehavioral Reviews
https://www.readbyqxmd.com/read/27797147/phenomenal-intentionality-and-color-experience
#13
Jennifer Matey
Phenomenal intentionality is a view about the representational content of conscious experiences that grounds the content of experiences in their phenomenal character. The view is motivated by evidence from introspection, as well as theoretical considerations and intuitions. This paper discusses one potential problem with the view. The view has difficulty accounting for the intentionality of color experiences. Versions of the view either fail to count things as part of the content of color experience that should be counted, resulting in verdicts that some color experiences are inaccurate which should not be, or they admit properties as part of their contents that ought not to be admitted, resulting in color experiences being considered to be accurate when they ought not to be considered so...
October 31, 2016: Topics in Cognitive Science
https://www.readbyqxmd.com/read/27779906/medial-prefrontal-medial-temporal-theta-phase-coupling-in-dynamic-spatial-imagery
#14
Raphael Kaplan, Daniel Bush, James A Bisby, Aidan J Horner, Sofie S Meyer, Neil Burgess
Hippocampal-medial prefrontal interactions are thought to play a crucial role in mental simulation. Notably, the frontal midline/medial pFC (mPFC) theta rhythm in humans has been linked to introspective thought and working memory. In parallel, theta rhythms have been proposed to coordinate processing in the medial temporal cortex, retrosplenial cortex (RSc), and parietal cortex during the movement of viewpoint in imagery, extending their association with physical movement in rodent models. Here, we used noninvasive whole-head MEG to investigate theta oscillatory power and phase-locking during the 18-sec postencoding delay period of a spatial working memory task, in which participants imagined previously learned object sequences either on a blank background (object maintenance), from a first-person viewpoint in a scene (static imagery), or moving along a path past the objects (dynamic imagery)...
October 25, 2016: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/27767382/metacognition-and-cognitive-control-behavioural-adaptation-requires-conflict-experience
#15
Laurence Questienne, Filip Van Opstal, Jean-Philippe van Dijck, Wim Gevers
Cognitive control allows adapting our behaviour to improve performance. A behavioural signature of cognitive control is the Gratton effect. This effect is observed in conflict tasks and indicates smaller congruency effects after incongruent trials than after congruent trials. Metacognitive experience may play a role in this effect: when participants introspect on their conflict experience, the Gratton effect follows the conflict introspection instead of the stimulus congruency (Desender, Van Opstal, & Van den Bussche, 2014)...
October 21, 2016: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/27733981/impact-of-headaches-on-university-students-in-durban-south-africa
#16
Jyotika Basdav, Firoza Haffejee, T Puckree
BACKGROUND: Introspection into the factors that affect student success at higher education institutions has gained significant momentum in recent years. Teaching and learning has come under the spotlight with quality enhancement and teaching development funding focussing on student support, enhancing the student environment, and enhancing academics as teachers. Included in this are aspects that try to understand the student. An aspect that is not receiving attention is student health, specifically headaches which could impact student success...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27719628/consciousness-functional-networks-and-delirium-screening
#17
Eamonn Eeles, Hana Burianova, Shaun Pandy, Donna Pinsker
Consciousness, the medium of sentient thought, requires integrity of functional networks and their connectivity. In health, they function as a co-operative but mutually exclusive paradigm of introspection versus external awareness subserved via the Default Mode Network and Task Positive State respectively. Higher thinking is segregated according to need, but this relationship is impacted in disorders of consciousness. In delirium, a disturbance of consciousness, the Default Mode Network is pathologically co-activated and functional cortical connectivity is compromised...
October 4, 2016: Current Aging Science
https://www.readbyqxmd.com/read/27716436/are-ethical-norms-and-current-policies-still-relevant-in-face-of-the-recent-mass-terror-events
#18
Tomer Simon, Avishay Goldberg, Bruria Adini
The widespread utilization of social media in recent terror attacks in major European cities should raise a "red flag" for the emergency medical response teams. The question arises as to the impact of social media during terror events on the healthcare system. Information was published well before any emergency authority received a distress call or was requested to respond. Photos published at early stages of the attacks, through social media were uncensored, presenting identifiable pictures of victims. Technological advancements of recent years decrease and remove barriers that enable the public to use them as they see fit...
October 4, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27695407/preserved-self-evaluation-in-amnesia-supports-access-to-the-self-through-introspective-computation
#19
Aurelija Juskenaite, Peggy Quinette, Mickaël Laisney, Marie-Loup Eustache, Béatrice Desgranges, Fausto Viader, Francis Eustache
Encounters with new people result in the extraction and storage in memory of both their external features, allowing us to recognize them later, and their internal traits, allowing us to better control our current interactions with them and anticipate our future ones. Just as we extract, encode, store, retrieve and update the representations of others so, too, do we process representations of ourselves. These representations, which rely on declarative memory, may be altered or cease to be accessible in amnesia...
2016: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/27594665/altered-neural-connectivity-in-adult-female-rats-exposed-to-early-life-social-stress
#20
Benjamin C Nephew, Wei Huang, Guillaume L Poirier, Laurellee Payne, Jean A King
The use of a variety of neuroanatomical techniques has led to a greater understanding of the adverse effects of stress on psychiatric health. One recent advance that has been particularly valuable is the development of resting state functional connectivity (RSFC) in clinical studies. The current study investigates changes in RSFC in F1 adult female rats exposed to the early life chronic social stress (ECSS) of the daily introduction of a novel male intruder to the cage of their F0 mothers while the F1 pups are in the cage...
January 1, 2017: Behavioural Brain Research
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