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Procedural memory

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https://www.readbyqxmd.com/read/28722546/the-role-of-recollection-and-familiarity-in-nondemented-parkinson-s-patients
#1
Alfonso Pitarque, Juan C Melendez, Alicia Sales, Encar Satorres, Joaquin Escudero, Salvador Algarabel
The aim of the current study was to examine if recollection and familiarity decline in nondemented Parkinson's patients. To do so we compared a sample of older people with Parkinson's disease (n = 32) to a control sample of healthy older people (n = 32) on an associative recognition task in which we manipulated the repetition of the pairs during the study phase (half of the pairs were presented once and half twice) to obtain corrected estimates of recollection, familiarity, and false recognition based on the logic of the process-dissociation procedure...
July 2017: Journal of General Psychology
https://www.readbyqxmd.com/read/28716297/on-the-relative-merits-of-invasive-and-non-invasive-pre-surgical-brain-mapping-new-tools-in-ablative-epilepsy-surgery
#2
Andrew C Papanicolaou, Roozbeh Rezaie, Shalini Narayana, Asim F Choudhri, Abbas-Babajani-Feremi, Frederick A Boop, James W Wheless
Cortical Stimulation Mapping (CSM) and the Wada procedure have long been considered the gold standard for localizing motor and language-related cortical areas and for determining the language and memory-dominant hemisphere, respectively. In recent years, however, non-invasive methods such as magnetoencephalography (MEG), functional magnetic resonance imaging (fMRI), and transcranial magnetic stimulation (TMS) have emerged as promising alternatives to the aforementioned procedures, particularly in cases where the invasive localization of eloquent cortex has proven to be challenging...
July 3, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28715373/new-methods-to-study-gustatory-coding
#3
Alejandra Boronat-García, Sam Reiter, Kui Sun, Mark Stopfer
The sense of taste allows animals to detect chemicals in the environment, giving rise to behaviors critical for survival. When Gustatory Receptor Neurons (GRNs) detect tastant molecules, they encode information about the identity and concentration of the tastant as patterns of electrical activity that then propagate to follower neurons in the brain. These patterns constitute internal representations of the tastant, which then allow the animal to select actions and form memories. The use of relatively simple animal models has been a powerful tool to study basic principles in sensory coding...
June 29, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28710940/procedural-learning-in-tourette-syndrome-adhd-and-comorbid-tourette-adhd-evidence-from-a-probabilistic-sequence-learning-task
#4
Ádám Takács, Yuval Shilon, Karolina Janacsek, Andrea Kóbor, Antoine Tremblay, Dezső Németh, Michael T Ullman
Procedural memory, which is rooted in the basal ganglia, plays an important role in the implicit learning of motor and cognitive skills. Few studies have examined procedural learning in either Tourette syndrome (TS) or Attention Deficit Hyperactivity Disorder (ADHD), despite basal ganglia abnormalities in both of these neurodevelopmental disorders. We aimed to assess procedural learning in children with TS (n=13), ADHD (n=22), and comorbid TS-ADHD (n=20), as well as in typically developing children (n=21). Procedural learning was measured with a well-studied implicit probabilistic sequence learning task, the alternating serial reaction time task...
July 12, 2017: Brain and Cognition
https://www.readbyqxmd.com/read/28710927/effects-of-brief-mindful-breathing-and-loving-kindness-meditation-on-shame-and-social-problem-solving-abilities-among-individuals-with-high-borderline-personality-traits
#5
Shian-Ling Keng, Jun Xian Tan
Borderline personality disorder (BPD) is a severe mental condition characterized by a range of cognitive and behavioral vulnerabilities, including chronic shame and deficits in social problem solving (SPS) abilities. Little research however, has examined strategies that may alleviate shame and SPS deficits among individuals with BPD traits. Using a laboratory experimental approach, the present study compared the effects of a brief mindfulness versus loving-kindness meditation (LKM) induction on shame and SPS abilities in a sample of adults with high BPD traits...
July 8, 2017: Behaviour Research and Therapy
https://www.readbyqxmd.com/read/28709783/role-of-the-lateral-habenula-in-memory-through-online-processing-of-information
#6
REVIEW
Victor Mathis, Lucas Lecourtier
Our memory abilities, whether they involve short-term working memory or long-term episodic or procedural memories, are essential for our well-being, our capacity to adapt to constraints of our environment and survival. Therefore, several key brain regions and neurotransmitter systems are engaged in the processing of sensory information to either maintain such information in working memory so that it will quickly be used, and/or participate in the elaboration and storage of enduring traces useful for longer periods of time...
July 11, 2017: Pharmacology, Biochemistry, and Behavior
https://www.readbyqxmd.com/read/28701915/web-camera-based-eye-tracking-to-assess-visual-memory-on-a-visual-paired-comparison-task
#7
Nicholas T Bott, Alex Lange, Dorene Rentz, Elizabeth Buffalo, Paul Clopton, Stuart Zola
Background: Web cameras are increasingly part of the standard hardware of most smart devices. Eye movements can often provide a noninvasive "window on the brain," and the recording of eye movements using web cameras is a burgeoning area of research. Objective: This study investigated a novel methodology for administering a visual paired comparison (VPC) decisional task using a web camera.To further assess this method, we examined the correlation between a standard eye-tracking camera automated scoring procedure [obtaining images at 60 frames per second (FPS)] and a manually scored procedure using a built-in laptop web camera (obtaining images at 3 FPS)...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28698761/vagus-nerve-stimulation
#8
REVIEW
Hakan Ekmekçi, Hülagu Kaptan
BACKGROUND: The vagus nerve stimulation (VNS) is an approach mainly used in cases of intractable epilepsy despite all the efforts. Also, its benefits have been shown in severe cases of depression resistant to typical treatment. AIM: The aim of this study was to present current knowledge of vagus nerve stimulation. MATERIAL AND METHODS: A new value has emerged just at this stage: VNS aiming the ideal treatment with new hopes. It is based on the placement of a programmable generator on the chest wall...
June 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28697570/adherence-to-clinical-practice-guidelines-during-dementia-work-up-in-a-real-world-setting-a-study-from-the-registry-of-dementias-of-girona
#9
Oriol Turró-Garriga, Laia Calvó-Perxas, Joan Vilalta-Franch, Marta Hernández-Ferrándiz, Margarita Flaqué, Marta Linares, Marta Cullell, Jordi Gich, Isabel Casas, Héctor Perkal, Josep Garre-Olmo
BACKGROUND: There are several position statements and clinical practice guidelines (CPG) for diagnosing dementia. OBJECTIVE: Our aims were to evaluate the adherence to CPG among specialists in the 7 memory clinics included in the Registry of Dementias of Girona (ReDeGi), and to compare the results between 2007-2011 and 2012-2015. We also determined the time and number of visits required to achieve a diagnosis, the supplementary tests ordered, and the drugs prescribed according to dementia subtypes...
July 4, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28694776/visualization-interaction-and-tractometry-dealing-with-millions-of-streamlines-from-diffusion-mri-tractography
#10
Francois Rheault, Jean-Christophe Houde, Maxime Descoteaux
Recently proposed tractography and connectomics approaches often require a very large number of streamlines, in the order of millions. Generating, storing and interacting with these datasets is currently quite difficult, since they require a lot of space in memory and processing time. Compression is a common approach to reduce data size. Recently such an approach has been proposed consisting in removing collinear points in the streamlines. Removing points from streamlines results in files that cannot be robustly post-processed and interacted with existing tools, which are for the most part point-based...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28694774/memory-performance-for-everyday-motivational-and-neutral-objects-is-dissociable-from-attention
#11
Judith Schomaker, Bianca C Wittmann
Episodic memory is typically better for items coupled with monetary reward or punishment during encoding. It is yet unclear whether memory is also enhanced for everyday objects with appetitive or aversive values learned through a lifetime of experience, and to what extent episodic memory enhancement for motivational and neutral items is attributable to attention. In a first experiment, we investigated attention to everyday motivational objects using eye-tracking during free-viewing and subsequently tested episodic memory using a remember/know procedure...
2017: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/28686584/assessing-recent-and-remote-associative-olfactory-memory-in-rats-using-the-social-transmission-of-food-preference-paradigm
#12
Benjamin Bessières, Olivier Nicole, Bruno Bontempi
Rats have the ability to learn about potential food sources by sampling their odors on the breath of conspecifics. Although this ethologically based social behavior has been transposed to the laboratory to probe nonspatial associative olfactory memory, only a few studies have taken full advantage of its unique features to examine the organization of recently and remotely acquired information. We provide a set of standardized procedures and technical refinements that are particularly useful in achieving this goal while minimizing confounding factors...
July 2017: Nature Protocols
https://www.readbyqxmd.com/read/28680516/study-on-the-development-and-usage-of-a-cardiopulmonary-resuscitation-time-point-recorder
#13
Ling Zhou, Hui Li, Hong-Yan Wei, Chun-Lin Hu, Xiao-Li Jing, Hong Zhan, Xiao-Xing Liao, Xin Li
BACKGROUND: To invent a novel cardiopulmonary resuscitation (CPR) time point recorder to synchronously and automatically record the time and to identify its effectiveness in humans. METHODS: A CPR time point recorder was invented after the doctors were familiar with the traditional Utstein recovery registration mode and mastered the registration time points required. The progress of CPR was simulated. The standard and correct times were recorded, and the doctors performing the recovery collected the data about the times using our CPR time point recorder or the memory registration mode...
2017: World Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28680403/scopolamine-induces-deficits-in-spontaneous-object-location-recognition-and-fear-learning-in-marmoset-monkeys
#14
Jonathan L Melamed, Fernando M de Jesus, Rafael S Maior, Marilia Barros
The non-selective muscarinic receptor antagonist scopolamine (SCP) induces memory deficits in both animals and humans. However, few studies have assessed the effects of amnesic agents on memory functions of marmosets - a small-bodied neotropical primate that is becoming increasingly used as a translational model for several neuropathologies. Here we assessed the effects of an acute SCP administration (0.03 mg/kg, sc) on the behavior of adult marmoset monkeys in two tasks. In the spontaneous object-location (SOL) recognition task, two identical neutral stimuli were explored on the sample trial, after which preferential exploration of the displaced versus the stationary object was analyzed on the test trial...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28676297/inferring-synaptic-excitation-inhibition-balance-from-field-potentials
#15
Richard Gao, Erik J Peterson, Bradley Voytek
Neural circuits sit in a dynamic balance between excitation (E) and inhibition (I). Fluctuations in E:I balance have been shown to influence neural computation, working memory, and information flow, while more drastic shifts and aberrant E:I patterns are implicated in numerous neurological and psychiatric disorders. Current methods for measuring E:I dynamics require invasive procedures that are difficult to perform in behaving animals, and nearly impossible in humans. This has limited the ability to examine the full impact that E:I shifts have in cognition and disease...
July 1, 2017: NeuroImage
https://www.readbyqxmd.com/read/28674822/a-fully-automated-simultaneous-single-stage-separation-of-sr-pb-and-nd-using-dga-resin-for-the-isotopic-analysis-of-marine-sediments
#16
A Retzmann, T Zimmermann, D Pröfrock, T Prohaska, J Irrgeher
A novel, fast and reliable sample preparation procedure for the simultaneous separation of Sr, Pb, and Nd has been developed for subsequent isotope ratio analysis of sediment digests. The method applying a fully automated, low-pressure chromatographic system separates all three analytes in a single-stage extraction step using self-packed columns filled with DGA Resin. The fully automated set-up allows the unattended processing of three isotopic systems from one sediment digest every 2 h, offering high sample throughput of up to 12 samples per day and reducing substantially laboratory manpower as compared to conventional manual methods...
July 4, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28672375/ecologically-valid-assessment-of-prospective-memory-for-task-planning-and-execution-by-adults-with-acquired-brain-injury
#17
Jessica Brown, Karen Hux
Purpose: Individuals with acquired brain injury (ABI) often struggle due to inadequate planning and execution skills for completing nonroutine tasks. This study's purpose was to pilot ecologically valid procedures to assess planning for and execution of prospective daily activities. Method: Participants included 9 adults with histories of severe ABI and 9 controls. Data collection included both prospective task planning and execution. First, participants created a plan for later execution of daily tasks in accordance with preestablished rules...
July 3, 2017: American Journal of Speech-language Pathology
https://www.readbyqxmd.com/read/28669901/maternal-alcohol-binge-drinking-induces-persistent-neuroinflammation-associated-with-myelin-damage-and-behavioural-dysfunctions-in-offspring-mice
#18
Lídia Cantacorps, Silvia Alfonso-Loeches, Maria Moscoso-Castro, Javier Cuitavi, Irene Gracia-Rubio, Raúl López-Arnau, Elena Escubedo, Consuelo Guerri, Olga Valverde
Alcohol binge drinking is on the increase in the young adult population, and consumption during pregnancy can be deleterious for foetal development. Maternal alcohol consumption leads to a wide range of long-lasting morphological and behavioural deficiencies known as foetal alcohol spectrum disorders (FASD), associated with neurodevelopmental disabilities. We sought to test the effects of alcohol on neuroimmune system activation and its potential relation to alcohol-induced neurodevelopmental and persistent neurobehavioural effects in offspring after maternal alcohol binge drinking during the prenatal period or in combination with lactation...
June 29, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28663110/sucrose-and-naltrexone-prevent-increased-pain-sensitivity-and-impaired-long-term-memory-induced-by-repetitive-neonatal-noxious-stimulation-role-of-bdnf-and-%C3%AE-endorphin
#19
Khawla Q Nuseir, Karem H Alzoubi, Ahmed Alhusban, Areej Bawaane, Mohammed Al-Azzani, Omar F Khabour
Pain in neonates is associated with short and long-term adverse outcomes. Data demonstrated that long-term consequences of untreated pain are linked to the plasticity of the neonate's brain. Sucrose is effective and safe for reducing painful procedures from single events. However, the mechanism of sucrose-induced analgesia is not fully understood. The role of the opioid system in this analgesia using the opioid receptor antagonist Naltrexone was investigated, plus the long-term effects on learning and memory formation during adulthood...
June 27, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28661178/retrieval-practice-makes-procedure-from-remembering-an-automatization-account-of-the-testing-effect
#20
Mihály Racsmány, Ágnes Szőllősi, Dorottya Bencze
The "testing effect" refers to the striking phenomenon that repeated retrieval practice is one of the most effective learning strategies, and certainly more advantageous for long-term learning, than additional restudying of the same information. How retrieval can boost the retention of memories is still without unanimous explanation. In 3 experiments, focusing on the reaction time (RT) of retrieval, we showed that RT of retrieval during retrieval practice followed a power function speed up that typically characterizes automaticity and skill learning...
June 29, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
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