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Mental imagery

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https://www.readbyqxmd.com/read/28075381/the-n-3-polyunsaturated-fatty-acids-supplementation-improved-the-cognitive-function-in-the-chinese-elderly-with-mild-cognitive-impairment-a-double-blind-randomized-controlled-trial
#1
Yacong Bo, Xueyuan Zhang, Youli Wang, Jie You, Han Cui, Yiwei Zhu, Wei Pang, Wei Liu, Yugang Jiang, Quanjun Lu
OBJECTIVE: Intake of n-3 polyunsaturated fatty acids (n-3 PUFAs) may protect against mild cognitive impairment (MCI). However, there is still a lack of the n-3 PUFAs intervention in the elderly with MCI in China. The aim of the present study was to investigate the effect of n-3 PUFA supplementation on cognitive function in the Chinese elderly with MCI. METHODS: Eighty six MCI individuals aged 60 years or older were randomly assigned to receive either n-3 PUFAs (480 mg DHA and 720 mg EPA per day, n = 44) or placebo (olive oil, n = 42) capsules...
January 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28046076/visual-imagery-and-false-memory-for-pictures-a-functional-magnetic-resonance-imaging-study-in-healthy-participants
#2
Christian Stephan-Otto, Sara Siddi, Carl Senior, Daniel Muñoz-Samons, Susana Ochoa, Ana María Sánchez-Laforga, Gildas Brébion
BACKGROUND: Visual mental imagery might be critical in the ability to discriminate imagined from perceived pictures. Our aim was to investigate the neural bases of this specific type of reality-monitoring process in individuals with high visual imagery abilities. METHODS: A reality-monitoring task was administered to twenty-six healthy participants using functional magnetic resonance imaging. During the encoding phase, 45 words designating common items, and 45 pictures of other common items, were presented in random order...
2017: PloS One
https://www.readbyqxmd.com/read/28028496/cepstral-analysis-of-eeg-during-visual-perception-and-mental-imagery-reveals-the-influence-of-artistic-expertise
#3
Nasrin Shourie
In this article, multichannel electroencephalogram (EEG) signals of artists and nonartists were analyzed during the performances of visual perception and mental imagery of paintings using cepstrum coefficients. Each of the calculated cepstrum coefficients and their parameters such as energy, average, standard deviation and entropy were separately used for distinguishing the two groups. It was found that a distinguishing coefficient might exist among the cepstrum coefficients, which could separate the two groups despite electrode placement...
October 2016: Journal of Medical Signals and Sensors
https://www.readbyqxmd.com/read/28026196/unresolved-loss-a-risk-factor-for-offspring-predicts-event-related-potential-responses-to-death-related-imagery
#4
Naomi I Gribneau Bahm, Emiliana R Simon-Thomas, Mary Main, Erik Hesse
This study investigates whether individual differences in attachment status can be detected by electrophysiological responses to loss-themed pictures. The Adult Attachment Interview (AAI) was used to identify discourse/reasoning lapses during the discussion of loss experiences via death that place speakers in the Unresolved/disorganized AAI category. In parents, Unresolved AAI status has been associated with Disorganized infant Strange Situation response, a known risk factor for psychopathology (e.g., internalizing/externalizing/dissociation)...
January 2017: Developmental Psychology
https://www.readbyqxmd.com/read/28011171/mental-rotation-task-specifically-modulates-functional-connectivity-strength-of-intrinsic-brain-activity-in-low-frequency-domains-a-maximum-uncertainty-linear-discriminant-analysis
#5
Mengxia Gao, Delong Zhang, Zengjian Wang, Bishan Liang, Yuxuan Cai, Zhenni Gao, Junchao Li, Song Chang, Bingqing Jiao, Ruiwang Huang, Ming Liu
Neuroimaging studies have highlighted that intrinsic brain activity is modified to implement task demands. However, the relation between mental rotation and intrinsic brain activity remains unclear. To answer this question, we collected functional MRI (fMRI) data from 30 healthy participants in two mental rotation task periods (1st-task state, 2nd-task state) and two rest periods before (pre-task resting state) and after the task (post-task resting state) respectively. By combining the spatial independent component analysis (ICA) and voxel-wise functional connectivity strength (FCS), we identified FCS maps of 10 brain resting state networks (RSNs) within six different bands (i...
December 20, 2016: Behavioural Brain Research
https://www.readbyqxmd.com/read/27995690/an-investigation-of-mental-imagery-in-bipolar-disorder-exploring-the-mind-s-eye
#6
Martina Di Simplicio, Fritz Renner, Simon E Blackwell, Heather Mitchell, Hannah J Stratford, Peter Watson, Nick Myers, Anna C Nobre, Alex Lau-Zhu, Emily A Holmes
OBJECTIVES: Mental imagery abnormalities occur across psychopathologies and are hypothesized to drive emotional difficulties in bipolar disorder (BD). A comprehensive assessment of mental imagery in BD is lacking. We aimed to test whether (i) mental imagery abnormalities (abnormalities in cognitive stages and subjective domains) occur in BD relative to non-clinical controls; and (ii) to determine the specificity of any abnormalities in BD relative to depression and anxiety disorders. METHODS: Participants included 54 subjects in the BD group (depressed/euthymic; n=27 in each subgroup), subjects with unipolar depression (n=26), subjects with anxiety disorders (n=25), and non-clinical controls (n=27) matched for age, gender, ethnicity, education, and premorbid IQ...
December 2016: Bipolar Disorders
https://www.readbyqxmd.com/read/27994845/crossmodal-modulation-of-spatial-localization-by-mimetic-words
#7
Akihiko Gobara, Yuki Yamada, Kayo Miura
The present study investigated whether aurally presented mimetic words affect the judgment of the final position of a moving object. In Experiment 1, horizontal apparent motion of a visual target was presented, and an auditory mimetic word of "byun" (representing rapid forward motion), "pitari" (representing stop of motion), or "nisahi" (nonsense syllable) was presented via headphones. Observers were asked to judge which of two test stimuli was horizontally aligned with the target. The results showed that forward displacement in the "pitari" condition was significantly smaller than in the "byun" and "nisahi" conditions...
November 2016: I-Perception
https://www.readbyqxmd.com/read/27989780/shifting-visual-perspective-during-retrieval-shapes-autobiographical-memories
#8
Peggy L St Jacques, Karl K Szpunar, Daniel L Schacter
The dynamic and flexible nature of memories is evident in our ability to adopt multiple visual perspectives. Although autobiographical memories are typically encoded from the visual perspective of our own eyes they can be retrieved from the perspective of an observer looking at our self. Here, we examined the neural mechanisms of shifting visual perspective during long-term memory retrieval and its influence on online and subsequent memories using functional magnetic resonance imaging (fMRI). Participants generated specific autobiographical memories from the last five years and rated their visual perspective...
December 15, 2016: NeuroImage
https://www.readbyqxmd.com/read/27987115/the-concreteness-effect-on-judgments-of-learning-evaluating-the-contributions-of-fluency-and-beliefs
#9
Amber E Witherby, Sarah K Tauber
Researchers have often determined how cues influence judgments of learning (JOLs; e.g., concrete words are assigned higher JOLs than are abstract words), and recently there has been an emphasis in understanding why cues influence JOLs (i.e., the mechanisms that underlie cue effects on JOLs). The analytic-processing (AP) theory posits that JOLs are constructed in accordance with participants' beliefs of how a cue will influence memory. Even so, some evidence suggests that fluency is also important to cue effects on JOLs...
December 16, 2016: Memory & Cognition
https://www.readbyqxmd.com/read/27974062/interventions-to-reduce-the-impact-of-unemployment-and-economic-hardship-on-mental-health-in-the-general-population-a-systematic-review
#10
T H M Moore, N Kapur, K Hawton, A Richards, C Metcalfe, D Gunnell
BACKGROUND: Job loss, debt and financial difficulties are associated with increased risk of mental illness and suicide in the general population. Interventions targeting people in debt or unemployed might help reduce these effects. METHOD: We searched MEDLINE, Embase, The Cochrane Library, Web of Science, and PsycINFO (January 2016) for randomized controlled trials (RCTs) of interventions to reduce the effects of unemployment and debt on mental health in general population samples...
December 15, 2016: Psychological Medicine
https://www.readbyqxmd.com/read/27957487/effect-of-anodal-tdcs-on-event-related-potentials-a-controlled-study
#11
Ahmed Izzidien, Sriharasha Ramaraju, Mohammed Ali Roula, Peter W McCarthy
We aim to measure the postintervention effects of A-tDCS (anodal-tDCS) on brain potentials commonly used in BCI applications, namely, Event-Related Desynchronization (ERD), Event-Related Synchronization (ERS), and P300. Ten subjects were given sham and 1.5 mA A-tDCS for 15 minutes on two separate experiments in a double-blind, randomized order. Postintervention EEG was recorded while subjects were asked to perform a spelling task based on the "oddball paradigm" while P300 power was measured. Additionally, ERD and ERS were measured while subjects performed mental motor imagery tasks...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27942702/imagery-based-interventions-for-music-performance-anxiety-an-integrative-review
#12
REVIEW
Katherine Finch, David A Moscovitch
Many musicians experience debilitating music performance anxiety (MPA). Outside music performance, imagery-based interventions have been incorporated into treatment protocols to help individuals, including athletes and those with social anxiety, manage heightened levels of anxiety in order to excel in performance-based domains. Despite the frequent use of mental imagery in MPA interventions and its importance as a mental rehearsal technique for musicians, no existing reviews have examined the literature on imagery-based interventions for MPA...
December 2016: Medical Problems of Performing Artists
https://www.readbyqxmd.com/read/27941132/health-outcomes-of-a-series-of-bonny-method-of-guided-imagery-and-music-sessions-a-systematic-review
#13
Cathy H McKinney, Timothy J Honig
BACKGROUND: The Bonny Method of Guided Imagery and Music (GIM) is a music-centered approach to exploring consciousness for personal growth and transformation. Applications have been reported in a variety of clinical and nonclinical contexts. OBJECTIVE: The purpose of this study was to review evidence that a series of Bonny Method of GIM sessions may promote positive health outcomes in adults. METHODS: This systematic review examined randomized and nonrandomized controlled trials and repeated measures designs that reported psychological or physiological outcomes following a series of at least six individual Bonny Method of GIM sessions...
December 8, 2016: Journal of Music Therapy
https://www.readbyqxmd.com/read/27940392/visual-perception-and-visual-mental-imagery-of-emotional-faces-generate-similar-expression-aftereffects
#14
Edoardo Zamuner, Matt Oxner, William G Hayward
What is the relationship between visual perception and visual mental imagery of emotional faces? We investigated this question using a within-emotion perceptual adaptation paradigm in which adaptation to a strong version of an expression was paired with a test face displaying a weak version of the same emotion category. We predicted that within-emotion adaptation to perception and imagery of expressions would generate similar aftereffects, biasing perception of weak emotional test faces toward a more neutral value...
December 8, 2016: Consciousness and Cognition
https://www.readbyqxmd.com/read/27929344/can-repetitive-mental-simulation-of-smoking-engender-habituation
#15
Janet Audrain-McGovern, Andrew A Strasser, E Paul Wileyto
Smoking cue exposure sensitizes smokers to cigarettes (i.e., increases cravings). Research examining the overlap between perception and mental imagery suggests that mentally simulating smoking a cigarette in a manner analogous to actually smoking should lead to habituation or a decrease in a smoker's motivation to smoke. The authors sought to determine whether repetitive mental simulation of smoking can engender habituation thereby reducing smoking cue-induced craving and shifts in mood, latency to smoke, and the hedonic response to smoking...
December 2016: Experimental and Clinical Psychopharmacology
https://www.readbyqxmd.com/read/27919676/about-the-individuality-of-vision
#16
Lukasz Grzeczkowski, Aaron M Clarke, Gregory Francis, Fred W Mast, Michael H Herzog
In cognition, audition, and somatosensation, performance correlates strongly between different paradigms, which suggests the existence of common factors. In contrast, visual performance in seemingly very similar tasks, such as visual and bisection acuity, are hardly related. Here we show similar results for visual illusions. Consistent with previous findings, we found significant correlations between the illusion magnitude of the Ebbinghaus and Ponzo illusions, but this relationship was the only significant correlation out of 15 further comparisons...
December 2, 2016: Vision Research
https://www.readbyqxmd.com/read/27915122/effects-of-a-training-in-mental-imagery-on-worry-a-proof-of-principle-study
#17
Timo Skodzik, Alexandra Leopold, Thomas Ehring
Worry is characterized by a predominance of verbal thinking and relatively little mental imagery. This cognitive bias of verbal and abstract processing has been found to impair emotional processing of worry topics so that worrisome thoughts are maintained. On the other hand, engaging in mental imagery during the worry process fosters emotional processing of worry themes. In the present study, we examined whether training high worriers (n=71) to use more mental imagery in their everyday lives is an effective intervention to reduce pathological worry...
November 25, 2016: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/27909415/imagining-change-an-integrative-approach-toward-explaining-the-motivational-role-of-mental-imagery-in-pro-environmental-behavior
#18
Christine Boomsma, Sabine Pahl, Jackie Andrade
Climate change and other long-term environmental issues are often perceived as abstract and difficult to imagine. The images a person associates with environmental change, i.e., a person's environmental mental images, can be influenced by the visual information they come across in the public domain. This paper reviews the literature on this topic across social, environmental, and cognitive psychology, and the wider social sciences; thereby responding to a call for more critical investigations into people's responses to visual information...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27907825/seeing-light-at-the-end-of-the-tunnel-positive-prospective-mental-imagery-and-optimism-in-depression
#19
Julie L Ji, Emily A Holmes, Simon E Blackwell
Optimism is associated with positive outcomes across many health domains, from cardiovascular disease to depression. However, we know little about cognitive processes underlying optimism in psychopathology. The present study tested whether the ability to vividly imagine positive events in one's future was associated with dispositional optimism in a sample of depressed adults. Cross-sectional and longitudinal analyses were conducted, using baseline (all participants, N=150) and follow-up data (participants in the control condition only, N=63) from a clinical trial (Blackwell et al...
January 2017: Psychiatry Research
https://www.readbyqxmd.com/read/27890831/neural-plasticity-during-motor-learning-with-motor-imagery-practice-review-and-perspectives
#20
REVIEW
Célia Ruffino, Charalambos Papaxanthis, Florent Lebon
In the last decade, many studies confirmed the benefits of mental practice with motor imagery. In this review we first aimed to compile data issued from fundamental and clinical investigations and to provide the key-components for the optimization of motor imagery strategy. We focused on transcranial magnetic stimulation studies, supported by brain imaging research, that sustain the current hypothesis of a functional link between cortical reorganization and behavioral improvement. As perspectives, we suggest a model of neural adaptation following mental practice, in which synapse conductivity and inhibitory mechanisms at the spinal level may also play an important role...
January 26, 2017: Neuroscience
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