keyword
MENU ▼
Read by QxMD icon Read
search

Serial reaction time task

keyword
https://www.readbyqxmd.com/read/29781982/the-motor-in-implicit-motor-sequence-learning-a-foot-stepping-serial-reaction-time-task
#1
Yue Du, Jane E Clark
This protocol describes a modified serial reaction time (SRT) task used to study implicit motor sequence learning. Unlike the classic SRT task that involves finger-pressing movements while sitting, the modified SRT task requires participants to step with both feet while maintaining a standing posture. This stepping task necessitates whole body actions that impose postural challenges. The foot-stepping task complements the classic SRT task in several ways. The foot-stepping SRT task is a better proxy for the daily activities that require ongoing postural control, and thus may help us better understand sequence learning in real-life situations...
May 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781135/non-adjacent-dependencies-processing-in-human-and-non-human-primates
#2
Raphaëlle Malassis, Arnaud Rey, Joël Fagot
Human and non-human primates share the ability to extract adjacent dependencies and, under certain conditions, non-adjacent dependencies (i.e., predictive relationships between elements that are separated by one or several intervening elements in a sequence). In this study, we explore the online extraction dynamics of non-adjacent dependencies in humans and baboons using a serial reaction time task. Participants had to produce three-target sequences containing deterministic relationships between the first and last target locations...
May 20, 2018: Cognitive Science
https://www.readbyqxmd.com/read/29778625/the-mediating-role-of-phosphodiesterase-type-4-in-the-dopaminergic-modulation-of-motor-impulsivity
#3
P R A Heckman, A Blokland, N P Van Goethem, B T J Van Hagen, J Prickaerts
The current study investigated the mediating role of phosphodiesterase type 4 (PDE4) regulated cAMP in the dopaminergic modulation of premature responding (action restraint) in rats. Response inhibition, which includes action restraint, finds its neurobiological origin in cortico-striatal-thalamic circuitry and can be modulated by dopamine. Intracellularly, the effect of dopamine is largely mediated through the cAMP/PKA signaling cascade. Areas in the prefrontal cortex are very sensitive to their neurochemical environment, including catecholamine levels...
May 17, 2018: Behavioural Brain Research
https://www.readbyqxmd.com/read/29755315/does-post-task-declarative-learning-have-an-influence-on-early-motor-memory-consolidation-over-day-an-fmri-study
#4
Inken Rothkirch, Stephan Wolff, Nils G Margraf, Anya Pedersen, Karsten Witt
Previous studies demonstrated the influence of the post-learning period on procedural motor memory consolidation. In an early period after the acquisition, motor skills are vulnerable to modifications during wakefulness. Indeed, specific interventions such as world-list learning within this early phase of motor memory consolidation seem to enhance motor performance as an indicator for successful consolidation. This finding highlights the idea that manipulations of procedural and declarative memory systems during the early phase of memory consolidation over wakefulness may influence off-line consolidation...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29740282/muscarinic-m4-receptors-on-cholinergic-and-dopamine-d1-receptor-expressing-neurons-have-opposing-functionality-for-positive-reinforcement-and-influence-impulsivity
#5
Anna M Klawonn, Daniel B Wilhelms, Sarah H Lindström, Anand Kumar Singh, Maarit Jaarola, Jürgen Wess, Michael Fritz, David Engblom
The neurotransmitter acetylcholine has been implicated in reward learning and drug addiction. However, the roles of the various cholinergic receptor subtypes on different neuron populations remain elusive. Here we study the function of muscarinic M4 receptors (M4Rs) in dopamine D1 receptor (D1R) expressing neurons and cholinergic neurons (expressing choline acetyltransferase; ChAT), during various reward-enforced behaviors and in a "waiting"-impulsivity test. We applied cell-type-specific gene deletions targeting M4Rs in D1RCre or ChATCre mice...
2018: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/29726015/targeting-the-dopamine-1-receptor-or-its-downstream-signalling-by-inhibiting-phosphodiesterase-1-improves-cognitive-performance
#6
Anton Pekcec, Niklas Schülert, Birgit Stierstorfer, Serena Deiana, Cornelia Dorner-Ciossek, Holger Rosenbrock
BACKGROUND AND PURPOSE: Insufficient prefrontal dopamine 1 (D1) receptor signalling has been linked to cognitive dysfunction in several psychiatric conditions. Because the phosphodiesterase-1 (PDE1) isoform B (PDE1B) is postulated to regulate D1 receptor-dependent signal transduction, this study intended to elucidate the role of PDE1 for cognitive processes reliant on D1 receptor function. EXPERIMENTAL APPROACH: Cognitive performance of the D1 receptor agonist, SKF38393, was studied in the T-maze continuous alternation task and the 5-Choice Serial Reaction Time Task...
May 3, 2018: British Journal of Pharmacology
https://www.readbyqxmd.com/read/29723711/implicit-sequence-learning-of-chunking-and-abstract-structures
#7
Qiufang Fu, Huiming Sun, Zoltán Dienes, Xiaolan Fu
The current study investigated whether people can simultaneously acquire knowledge about concrete chunks and abstract structures in implicit sequence learning; and whether the degree of abstraction determines the conscious status of the acquired knowledge. We adopted three types of stimuli in a serial reaction time task in three experiments. The RT results indicated that people could simultaneously acquire knowledge about concrete chunks and abstract structures of the temporal sequence. Generation performance revealed that ability to control was mainly based on abstract structures rather than concrete chunks...
April 30, 2018: Consciousness and Cognition
https://www.readbyqxmd.com/read/29721010/targeted-neuromodulation-of-abnormal-interhemispheric-connectivity-to-promote-neural-plasticity-and-recovery-of-arm-function-after-stroke-a-randomized-crossover-clinical-trial-study-protocol
#8
Michael R Borich, Steven L Wolf, Andrew Q Tan, Jacqueline A Palmer
Background: Despite intensive rehabilitation efforts, most stroke survivors have persistent functional disability of the paretic arm and hand. These motor impairments may be due in part to maladaptive changes in structural and functional connections between brain regions. The following early stage clinical trial study protocol describes a noninvasive brain stimulation approach to target transcallosally mediated interhemispheric connections between the ipsi- and contralesional motor cortices (iM1 and cM1) using corticocortical paired associative stimulation (ihPAS)...
2018: Neural Plasticity
https://www.readbyqxmd.com/read/29686254/the-relationship-between-dopamine-receptor-blockade-and-cognitive-performance-in-schizophrenia-a-11-c-raclopride-pet-study-with-aripiprazole
#9
Sangho Shin, Seoyoung Kim, Seongho Seo, Jae Sung Lee, Oliver D Howes, Euitae Kim, Jun Soo Kwon
Aripiprazole's effects on cognitive function in patients with schizophrenia are unclear because of the difficulty in disentangling specific effects on cognitive function from secondary effects due to the improvement in other schizophrenic symptoms. One approach to address this is to use an intermediate biomarker to investigate the relationship between the drug's effect on the brain and change in cognitive function. This study aims to investigate aripiprazole's effect on working memory by determining the correlation between dopamine D2/3 (D2/3) receptor occupancy and working memory of patients with schizophrenia...
April 24, 2018: Translational Psychiatry
https://www.readbyqxmd.com/read/29676529/implicit-learning-seems-to-come-naturally-for-children-with-autism-but-not-for-children-with-specific-language-impairment-evidence-from-behavioral-and-erp-data
#10
Fenny S Zwart, Constance Th W M Vissers, Roy P C Kessels, Joseph H R Maes
Autism spectrum disorder (ASD) and specific language impairment (SLI) are two neurodevelopmental disorders characterized by deficits in verbal and nonverbal communication skills. These skills are thought to develop largely through implicit-or automatic-learning mechanisms. The aim of the current paper was to investigate the role of implicit learning abilities in the atypical development of communication skills in ASD and SLI. In the current study, we investigated Response Times (RTs) and Event Related Potentials (ERPs) during implicit learning on a Serial Reaction Time (SRT) task in a group of typically developing (TD) children (n = 17), a group of autistic children (n = 16), and a group of children with SLI (n = 13)...
April 20, 2018: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/29670514/effects-of-tdcs-on-bimanual-motor-skills-a-brief-review
#11
REVIEW
Nils H Pixa, Bettina Pollok
Transcranial direct current stimulation (tDCS) is a non-invasive brain stimulation technique that allows the modulation of cortical excitability as well as neuroplastic reorganization using a weak constant current applied through the skull on the cerebral cortex. TDCS has been found to improve motor performance in general and motor learning in particular. However, these effects have been reported almost exclusively for unimanual motor tasks such as serial reaction time tasks, adaptation tasks, or visuo-motor tracking...
2018: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/29619407/theta-oscillations-organize-spiking-activity-in-higher-order-visual-thalamus-during-sustained-attention
#12
Chunxiu Yu, Yuhui Li, Iain M Stitt, Zhe Charles Zhou, Kristin K Sellers, Flavio Frohlich
Higher-order visual thalamus plays a fundamental but poorly understood role in attention-demanding tasks. To investigate how neuronal dynamics in higher-order visual thalamus are modulated by sustained attention, we performed multichannel electrophysiological recordings in the lateral posterior-pulvinar complex (LP/pulvinar) in the ferret ( Mustela putorius furo ). We recorded single unit activity and local field potential (LFP) during the performance of the five-choice serial reaction time task (5-CSRTT), which is used in both humans and animals as an assay of sustained attention...
January 2018: ENeuro
https://www.readbyqxmd.com/read/29601831/enhanced-amphetamine-induced-motor-impulsivity-and-mild-attentional-impairment-in-the-leptin-deficient-rat-model-of-obesity
#13
Wendy K Adams, Anna M D'souza, Jacob L Sussman, Sukhbir Kaur, Timothy J Kieffer, Catharine A Winstanley
Evidence suggests that impulse control deficits contribute to excessive food intake in some individuals with obesity. In addition to its known role in regulating appetite and glucose metabolism, the hormone leptin also directly modulates the activity of central dopamine systems. Although dopamine is involved in regulating impulsivity, the influence of leptin per se on this cognitive domain remains unclear. This study explored the performance of male leptin knockout (KO) and wild type (WT) rats in the 5-Choice Serial Reaction Time task (5CSRTT) of motor impulsivity and visuospatial attention...
March 27, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29573264/age-related-differences-in-sequence-learning-findings-from-two-visuo-motor-sequence-learning-tasks
#14
Kristi Urry, Nicholas R Burns, Irina Baetu
The Serial Reaction Time Task (SRTT) is thought to assess implicit learning, which seems to be preserved with age. However, the reaction time (RT) measures employed on implicit-like tasks might be too unreliable to detect individual differences. We investigated whether RT-based measures mask age effects by comparing the performance of 43 younger and 35 older adults on SRTT and an explicit-like Predictive Sequence Learning Task (PSLT). RT-based measures (difference scores and a ratio) were collected for both tasks, and accuracy was additionally measured for PSLT...
March 24, 2018: British Journal of Psychology
https://www.readbyqxmd.com/read/29568692/longitudinal-evaluation-of-tau-p301l-transgenic-mice-reveals-no-cognitive-impairments-at-17-months-of-age
#15
Brianne A Kent, Christopher J Heath, Chi Hun Kim, Rosemary Ahrens, Paul E Fraser, Peter St George-Hyslop, Timothy J Bussey, Lisa M Saksida
Introduction: Tau is a microtubule-associated binding protein implicated in neurodegenerative tauopathies, including frontotemporal dementia (FTD) and Alzheimer's disease (AD). These diseases result in the intracellular accumulation of hyperphosphorylated tau in the form of neurofibrillary tangles, the presence of which is associated with cognitive deficits. Methods: We conducted a longitudinal behavioral study to provide a profile of the TgTau(P301L)23027 transgenic mouse in multiple cognitive domains across multiple ages...
January 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29564481/correction-to-the-effects-of-cariprazine-and-aripiprazole-on-pcp-induced-deficits-on-attention-assessed-in-the-5-choice-serial-reaction-time-task
#16
Samuel A Barnes, Jared W Young, Athina Markou, Nika Adham, István Gyertyán, Béla Kiss
The article The Effects of Cariprazine and Aripiprazole on PCP-Induced Deficits on Attention Assessed in the 5-Choice Serial Reaction Time Task, written by Samuel A. Barnes, Jared W. Young, Athina Markou, Nika Adham, István Gyertyán, Béla Kiss, was originally published electronically.
March 21, 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29547477/nonverbal-visual-sequential-learning-in-children-with-cochlear-implants-preliminary-findings
#17
Kelsey E Klein, Elizabeth A Walker, J Bruce Tomblin
The authors tested the hypothesis that children with cochlear implants (CIs) experience domain-general deficits in sequential learning. Twenty children with CIs and 40 children with normal hearing (NH) participated. Participants completed a serial reaction time task that measured implicit sequential learning. During random sequence phases, the CI group had significantly slower reaction times than the NH group. However, there were no significant differences in the rates of sequential learning between groups...
March 15, 2018: Ear and Hearing
https://www.readbyqxmd.com/read/29524017/the-association-between-sequence-learning-on-the-serial-reaction-time-task-and-social-impairments-in-autism
#18
Fenny S Zwart, Constance Th W M Vissers, Joseph H R Maes
It is assumed that learning on the Serial Reaction Time (SRT) task is related to learning involved in social skill development affected in autism, but this assumption has hardly been investigated. We have therefore examined associations between SRT task learning and social impairment measured by the Social Responsiveness Scale in 72 autistic and non-autistic adults. Results revealed a positive correlation between deterministic sequence learning, putatively involving explicit learning, and social impairment in autistic adults but not in non-autistic adults...
March 9, 2018: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/29502273/the-acute-effects-of-cocoa-flavanols-on-temporal-and-spatial-attention
#19
Aytaç Karabay, Jefta D Saija, David T Field, Elkan G Akyürek
In this study, we investigated how the acute physiological effects of cocoa flavanols might result in specific cognitive changes, in particular in temporal and spatial attention. To this end, we pre-registered and implemented a randomized, double-blind, placebo- and baseline-controlled crossover design. A sample of 48 university students participated in the study and each of them completed the experimental tasks in four conditions (baseline, placebo, low dose, and high-dose flavanol), administered in separate sessions with a 1-week washout interval...
May 2018: Psychopharmacology
https://www.readbyqxmd.com/read/29500079/explicit-instructions-facilitate-performance-of-ocd-participants-but-impair-performance-of-non-ocd-participants-on-a-serial-reaction-time-task
#20
Assaf Soref, Nira Liberman, Amitai Abramovitch, Reuven Dar
Previous studies have shown that individuals diagnosed with OCD tend to rely on explicit processing while performing implicit learning tasks. We sought to investigate whether individuals with OCD are capable of implicit learning, but would demonstrate improved performance when explicit processing strategies are enhanced. Twenty-four participants with OCD and 24 non-psychiatric control (NPC) participants performed an implicit learning task in which they responded to a single target stimulus that successively appears at one of four locations according to an underlying sequence...
April 2018: Journal of Anxiety Disorders
keyword
keyword
81457
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"