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https://www.readbyqxmd.com/read/28631988/evidence-of-practice-effect-in-cantab-spatial-working-memory-test-in-a-cohort-of-patients-with-mild-cognitive-impairment
#1
Federica Cacciamani, Nicola Salvadori, Paolo Eusebi, Viviana Lisetti, Elisa Luchetti, Paolo Calabresi, Lucilla Parnetti
The Cambridge Neuropsychological Test Automated Battery (CANTAB) is a system of neuropsychological tests frequently used to track the progression of cognitive deficits in mild cognitive impairment (MCI) and Alzheimer's disease (AD). We investigated test-retest reliability in seven CANTAB tests. Twenty-five MCI patients, with either AD-like or conflicting/normal cerebrospinal fluid profiles underwent three testing sessions at 6-month intervals, including the following tests: Reaction Time and Rapid Visual Information Processing (assessing attention and reaction times); Delayed Matching-to-Sample, Paired Associates Learning, Spatial Recognition Memory and Pattern Recognition Memory (assessing memory); Spatial Working Memory (assessing executive functions)...
February 22, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/28630816/the-effects-of-an-auditory-matching-ipad-app-on-three-preschoolers-echoic-and-listener-responses
#2
Lin Du, Jeanne Speckman, Megan Medina, Michelle Cole-Hatchard
We investigated the effects of an auditory match-to-sample protocol on three preschoolers' accurate echoics to 100 English words and advanced listener responses. The protocol was presented by using an iPad app Sounds the same: an app to target listening and speaking clearly. We used a combination of a multiple probe design (for echoic responses) and a delayed multiple probe design (for advanced listener literacy responses) with a time-lagged baseline across participants to test the effectiveness of the protocol...
June 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/28618296/impaired-body-perception-in-developmental-prosopagnosia
#3
Federica Biotti, Katie L H Gray, Richard Cook
Developmental prosopagnosia (DP) is a lifelong neurodevelopmental disorder associated with difficulties recognising and discriminating faces. In some cases, the perceptual deficits seen in DP appear to be face-specific. However, DP is known to be a heterogeneous condition, and many cases undoubtedly exhibit impaired perception of other complex objects. There are several well-documented parallels between body and face perception; for example, faces and bodies are both thought to recruit holistic analysis and engage similar regions of visual cortex...
May 25, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28592696/visual-working-memory-enhances-the-neural-response-to-matching-visual-input
#4
Surya Gayet, Matthias Guggenmos, Thomas B Christophel, John-Dylan Haynes, Chris L E Paffen, Stefan Van der Stigchel, Philipp Sterzer
Visual working memory (VWM) is used to maintain visual information available for subsequent goal-directed behavior. The content of VWM has been shown to affect the behavioral response to concurrent visual input, suggesting that visual representations originating from VWM and from sensory input draw upon a shared neural substrate (i.e., a sensory recruitment stance on VWM storage). Here, we hypothesized that visual information maintained in VWM would enhance the neural response to concurrent visual input that matches the content of VWM...
June 7, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28560098/sports-training-enhances-visuo-spatial-cognition-regardless-of-open-closed-typology
#5
Ting-Yu Chueh, Chung-Ju Huang, Shu-Shih Hsieh, Kuan-Fu Chen, Yu-Kai Chang, Tsung-Min Hung
The aim of this study was to investigate the effects of open and closed sport participation on visuo-spatial attention and memory performance among young adults. Forty-eight young adults-16 open-skill athletes, 16 closed-skill athletes, and 16 non-athletes controls-were recruited for the study. Both behavioral performance and event-related potential (ERP) measurement were assessed when participants performed non-delayed and delayed match-to-sample task that tested visuo-spatial attention and memory processing...
2017: PeerJ
https://www.readbyqxmd.com/read/28557315/salience-network-response-to-changes-in-emotional-expressions-of-others-is-heightened-during-early-adolescence-relevance-for-social-functioning
#6
Maya L Rosen, Margaret A Sheridan, Kelly A Sambrook, Meg J Dennison, Jessica L Jenness, Mary K Askren, Andrew N Meltzoff, Katie A McLaughlin
Adolescence is a unique developmental period when the salience of social and emotional information becomes particularly pronounced. Although this increased sensitivity to social and emotional information has frequently been considered with respect to risk behaviors and psychopathology, evidence suggests that increased adolescent sensitivity to social and emotional cues may confer advantages. For example, greater sensitivity to shifts in the emotions of others is likely to promote flexible and adaptive social behavior...
May 30, 2017: Developmental Science
https://www.readbyqxmd.com/read/28554082/discriminating-relational-and-perceptual-judgments-evidence-from-human-toddlers
#7
Caren M Walker, Alison Gopnik
The ability to represent same-different relations is an important condition for abstract thought. However, there is mixed evidence for when this ability develops, both ontogenetically and phylogenetically. Apparent success in relational reasoning may be evidence for genuine conceptual understanding or may be the result of low-level, perceptual strategies. We introduce a method to discriminate these possibilities by pitting two conditions that are perceptually matched but conceptually different: in a "fused" condition, same and different objects are joined, creating single objects that have the same perceptual features as the two object pairs in the "relational" condition...
May 26, 2017: Cognition
https://www.readbyqxmd.com/read/28546309/inferential-learning-of-serial-order-of-perceptual-categories-by-rhesus-monkeys-macaca-mulatta
#8
Natalie Tanner, Greg Jensen, Vincent P Ferrera, Herbert S Terrace
Category learning in animals is typically trained explicitly, in most instances by varying the exemplars of a single category in a matching-to-sample task. Here, we show that male rhesus macaques can learn categories by a transitive inference paradigm in which novel exemplars of five categories were presented throughout training. Instead of requiring decisions about a constant set of repetitively presented stimuli, we studied the macaque's ability to determine the relative order of multiple exemplars of particular stimuli that were rarely repeated...
May 25, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28497655/nicotine-self-administration-reverses-cognitive-deficits-in-a-rat-model-for-schizophrenia
#9
Uta Waterhouse, Katharine A Brennan, Bart A Ellenbroek
High comorbidity between schizophrenia and tobacco addiction has been well established. Explanatory theories include nicotine as a cognitive enhancer ameliorating symptoms of schizophrenia and underlying shared substrates increasing susceptibility to addiction in these individuals. To test these non-mutually exclusive theories, the maternal immune activation (MIA) model was utilized. To this end, pregnant Sprague Dawley rats were subcutaneously injected with a bacterial endotoxin, lipopolysaccharide (0.5 mg/kg), on gestation days 10 and 11...
May 12, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28471222/pigeon-ncl-and-nfl-neuronal-activity-represents-neural-correlates-of-the-sample
#10
Melissa Johnston, Catrona Anderson, Michael Colombo
Four birds were trained on a delayed matching-to-sample task with common outcomes where correct responses during both red and green trials yielded reward. We recorded neuronal activity from the avian nidopallium caudolaterale, the avian equivalent of the mammalian prefrontal cortex, and the avian nidopallium frontolaterale, a higher-order visual processing region. In both regions we found sustained activity during the delay period of both red and green trials. These findings provide the first evidence that delay activity in the pigeon's nidopallium caudolaterale and nidopallium frontolaterale represent a neural correlate for the to-be-remembered sample stimulus...
May 4, 2017: Behavioral Neuroscience
https://www.readbyqxmd.com/read/28466195/beneficial-neurocognitive-effects-of-transcranial-laser-in-older-adults
#11
Enrique Vargas, Douglas W Barrett, Celeste L Saucedo, Li-Da Huang, Jacob A Abraham, Hirofumi Tanaka, Andreana P Haley, F Gonzalez-Lima
Transcranial infrared laser stimulation (TILS) at 1064 nm, 250 mW/cm(2) has been proven safe and effective for increasing neurocognitive functions in young adults in controlled studies using photobiomodulation of the right prefrontal cortex. The objective of this pilot study was to determine whether there is any effect from TILS on neurocognitive function in older adults with subjective memory complaint at risk for cognitive decline (e.g., increased carotid artery intima-media thickness or mild traumatic brain injury)...
May 2, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28458022/impaired-prefrontal-cognitive-control-over-interference-by-food-images-in-binge-eating-disorder-and-bulimia-nervosa
#12
Jung Eun Lee, Kee Namkoong, Young-Chul Jung
Binge-eating disorder (BED)characterized by recurrent episodes of binge-eating without inappropriate compensatory behaviors is classified as an official diagnosis in DSM-5. However, the neural bases that differentiate BED from other eating disorders such as bulimia nervosa (BN), are still under debate. Thirty-nine participants (HC, n=14; BN, n=13; BED, n=12) underwent functional MRI while performing a Stroop-Match-to-Sample task. This pilot study investigated how food images interfered with the behavioral performances and blood-oxygenation-level-dependent neuronal activity...
April 27, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28439047/functional-human-grin2b-promoter-polymorphism-and-variation-of-mental-processing-speed-in-older-adults
#13
Yang Jiang, Ming Kuan Lin, Gregory A Jicha, Xiuhua Ding, Sabrina L McIlwrath, David W Fardo, Lucas S Broster, Frederick A Schmitt, Richard Kryscio, Robert H Lipsky
We investigated the role of a single nucleotide polymorphism rs3764030 (G>A) within the human GRIN2B promoter in mental processing speed in healthy, cognitively intact, older adults. In vitro DNA-binding and reporter gene assays of different allele combinations in transfected cells showed that the A allele was a gain-of-function variant associated with increasing GRIN2B mRNA levels. We tested the hypothesis that individuals with A allele will have better memory performance (i.e. faster reaction times) in older age...
April 2017: Aging
https://www.readbyqxmd.com/read/28432743/global-and-local-visual-processing-in-autism-an-objective-assessment-approach
#14
Kritika Nayar, Angela C Voyles, Lynne Kiorpes, Adriana Di Martino
We examined global and local visual processing in autism spectrum disorder (ASD) via a match-to-sample task using Kanizsa illusory contours (KIC). School-aged children with ASD (n = 28) and age-matched typically developing controls (n = 22; 7-13 years) performed a sequential match-to-sample between a solid shape (sample) and two illusory alternatives. We tracked eye gaze and behavioral performance in two task conditions: one with and one without local interference from background noise elements. While analyses revealed lower accuracy and longer reaction time in ASD in the condition with local interference only, eye tracking robustly captured ASD-related global atypicalities across both conditions...
April 22, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28396214/enhancing-links-between-visual-short-term-memory-visual-attention-and-cognitive-control-processes-through-practice-an-electrophysiological-insight
#15
Giorgio Fuggetta, Philip A Duke
The operation of attention on visible objects involves a sequence of cognitive processes. The current study firstly aimed to elucidate the effects of practice on neural mechanisms underlying attentional processes as measured with both behavioural and electrophysiological measures. Secondly, it aimed to identify any pattern in the relationship between Event-Related Potential (ERP) components which play a role in the operation of attention in vision. Twenty-seven participants took part in two recording sessions one week apart, performing an experimental paradigm which combined a match-to-sample task with a memory-guided efficient visual-search task within one trial sequence...
April 8, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28390217/painful-engrams-oscillatory-correlates-of-working-memory-for-phasic-nociceptive-laser-stimuli
#16
Elia Valentini, Valentina Nicolardi, Salvatore Maria Aglioti
Research suggests that working memory (WM) is impaired in chronic pain. Yet, information on how potentially noxious stimuli are maintained in memory is limited in patients as well as in healthy people. We recorded electroencephalography (EEG) in healthy volunteers during a modified delayed match-to-sample task where maintenance in memory of relevant attributes of nociceptive laser stimuli was essential for subsequent cued-discrimination. Participants performed in high and low load conditions (i.e. three vs...
April 5, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28386225/attentional-filter-training-but-not-memory-training-improves-decision-making
#17
Marlen Schmicker, Patrick Müller, Melanie Schwefel, Notger G Müller
Decision-making has a high practical relevance for daily performance. Its relation to other cognitive abilities such as executive control and memory is not fully understood. Here we asked whether training of either attentional filtering or memory storage would influence decision-making as indexed by repetitive assessments of the Iowa Gambling Task (IGT). The IGT was developed to assess and simulate real-life decision-making (Bechara et al., 2005). In this task, participants gain or lose money by developing advantageous or disadvantageous decision strategies...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28352511/learner-preference-between-massed-and-alternating-trial-sequencing-when-teaching-stimulus-relations-to-children-with-autism
#18
Paulo Guilhardi, Jennifer Smith, Camille Rivera, Robert K Ross
Two children with autism were assessed for preference between intersession distribution of mastered and unknown instructional trials on a computerized matching-to-sample task consisting of 12 total learning opportunities. Choice responses yielded presentation of either massed-trial sequencing (six unknown/six mastered stimuli relations or vice-versa) or alternating-trial sequencing delivery (alternation of unknown and mastered stimuli relations) followed by reinforcement for correct responses. An extinction condition served as an experimental control...
March 2017: Behavior Analysis in Practice
https://www.readbyqxmd.com/read/28332715/teaching-identity-matching-of-braille-characters-to-beginning-braille-readers
#19
Karen A Toussaint, Mindy C Scheithauer, Jeffrey H Tiger, Kathryn J Saunders
We taught three children with visual impairments to make tactile discriminations of the braille alphabet within a matching-to-sample format. That is, we presented participants with a braille character as a sample stimulus, and they selected the matching stimulus from a three-comparison array. In order to minimize participant errors, we initially arranged braille characters into training sets in which there was a maximum difference in the number of dots comprising the target and nontarget comparison stimuli...
April 2017: Journal of Applied Behavior Analysis
https://www.readbyqxmd.com/read/28302197/-event-related-potential-of-working-memory-on-emotional-faces-in-children-with-autism-spectrum-disorder
#20
Cai-Juan Xu, Ling Zhang, Ning Pan, Qiong-Xi Lin, Jun Ye, Jin Jing, Yu Jin
OBJECTIVE: To investigate the characteristics of working memory ability on emotional faces and related event-related potential (ERP) in children with autism spectrum disorder (ASD). METHODS: The Chinese Facial Affective Picture System was used as test material, and the event-related potential system was used to record the electroencephalographic data when 16 ASD children aged 6-12 years (ASD group) and 14 normal children matched for age (control group) were completing the facial emotion delayed match-to-sample task...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
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