Impulsivity and speed accuracy trade-offs in visual and lexical complexity tasks

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Laurentian University, Department of Psychology , Sudbury, Ont
StatementSusan Fisher
The Physical Object
Paginationvi, 55 l. :
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Open LibraryOL20651136M

The main purpose of the present study was twofold: (1) to analyse the effect of individual differences in speed–accuracy trade-off (SAT) on discrimination learning and (2) to analyse the relation of SAT to intelligence and self-reported measures of impulsivity in order to establish whether SAT is a function of intelligence or cognitive by: 2.

picture of the speed/accuracy trade-off, which depends on many other factors, such as which feature extractor is used, input image sizes, etc. In this paper, we seek to explore the speed/accuracy trade-off of modern detection systems in an exhaustive and fair Cited by:   This target article presents a critical survey of the scientific literature dealing with the speed/accuracy trade-offs in rapid-aimed movements.

It highlights the numerous mathematical and theoretical interpretations that have been proposed in recent by:   INTELLIGE () Impulsivity and Speed-Accuracy Strategies in Intelligence Test Performance LOUISE H.

PHILLIPS University of Aberdeen PATRICK M.A. RA13BITT University of Manchester A number of authors have expressed concern about our lack of knowledge of speedaccuracy strategies in intelligence by:   College This is an earlier version of a chapter which originally appeared in: Skehan, P.

& Foster, P. Complexity, accuracy, fluency and lexis in.

Details Impulsivity and speed accuracy trade-offs in visual and lexical complexity tasks PDF

This is particularly important as processing speed on TVA tasks has been linked to reading speed in both typical and atypical readers and may therefore play a role in reading beyond single word reading accuracy (Lobier et al., ).

Further, characterising reading profile as relative lexical to sublexical skills does not account for what is. The speed accuracy trade-off (SAT) is one of the oldest and (e.g., detection or discrimination of a single item, lexical decision tasks, recognition memory), the influence of caution on perfor- but this additional complexity brings more information about how.

In contrast, Kormos and Trebits () reported manifestly different task complexity effects in the two modes in the realms of accuracy, lexical variety, and syntactic complexity, concluding that. Personality tests and reports [edit | edit source] Barratt Impulsiveness Scale [edit | edit source].

The Barratt Impulsiveness Scale (BIS) is one of the oldest and most widely used measures of impulsive personality traits. The first BIS was developed in by Dr. Ernest Barratt. It has been revised extensively to achieve two major goals: (1) to identify a set of "impulsiveness" items that.

In cognitive research, speed and accuracy are two important aspects of performance. When analyzed separately, these performance variables sometimes lead to contradictory conclusions about the effect of a manipulation. To avoid such conflicts, several measures that integrate speed and accuracy have been proposed, but the added value of using such measures remains unclear.

Processing speed is a cognitive ability Impulsivity and speed accuracy trade-offs in visual and lexical complexity tasks book could be defined as the time it takes a person to do a mental task.

It is related to the speed in which a person can understand and react to the information they receive, whether it be visual (letters and numbers), auditory (language), or movement.

In other words, processing speed is the time between. Finally, in a perceptual detection task with varying degrees of reward for “speed” or “accuracy” sessions, the impulsivity dimension of ADHD was found to be responsible for a “poorer speed vs accuracy trade-off” (Mulder et al.

In the current study too, high impulsivity is linked to a proneness for commission errors that is. As new technologies increase the opportunities for multitasking, the need to understand human capacities for multitasking continues to grow stronger.

Is multitasking helping us to be more efficient. This study investigated the multitasking abilities of participants, ages 6–72, by measuring their task accuracy and completion time when they completed a visual or auditory task alone (single.

Speed–Accuracy Trade-Offs Spatial accuracy is the type of accuracy required of aiming movements in which spatial position of the movement’s end point is important to the performance. Timing accuracy is the type of accuracy required of rapid movements in which accuracy of the movement time is important to the performance.

Speed-Accuracy Trade-Offs. Many motor skills require a person to perform with both speed and accuracy. Examples: subject variables, tasks or paradigms, and body parts used.

Speed-accuracy skills: motor control processes. The increased complexity of coordinating two movements also provides more flexibility, such that increases in speed. The goal of this paper is to serve as a guide for selecting a detection architecture that achieves the right speed/memory/accuracy balance for a given application and platform.

To this end, we investigate various ways to trade accuracy for speed and memory usage in modern convolutional object detection systems.

A number of successful systems have been proposed in recent years, but apples. RESEARCH ARTICLE Speed-accuracy tradeoffs in human speech production Adam C. Lammert1*, Christine H. Shadle2, Shrikanth S. Narayanan3, Thomas F.

Quatieri1 1 MIT Lincoln Laboratory, Lexington, Massachusetts, UnitedStates of America, 2 HaskinsLaboratories, New Haven, Connecticut, UnitedStatesof America, 3 Signal Analysis andInterpretationLaboratory,Los Angeles.

Impulsivity can often be an important clinical problem in psychiatry and neurology. In psychiatry, the manifestation of impulsive behaviour in syndromes such as personality disorders, attention deficit hyperactivity disorder and in substance abuse may be different, and this has led to conflicting definitions.

Whether relations between intelligence test performance and information processing measures depend on individual differences in speed-accuracy preferences rather than capacity limitations and whether the impact of strategic variables changes with increasing age or extraversion was studied with 83 adults ages 50 to 79 years.

Results are discussed in terms of impulsivity.

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Two basic trade-offs interact while our brain decides how to move our body. First, with the cost-benefit trade-off, the brain trades between the importance of moving faster toward a target that is more rewarding and the increased muscular cost resulting from a faster movement.

Second, with the speed-accuracy trade-off, the brain trades between how accurate the movement needs to be and the. Effects of speed and accuracy instructions on performance in a visual search task by children with good or poor attention. these findings are not compatible with the view that children with poor attention make errors primarily due to fast impulsive responding, nor with an explanation in terms of slower processing of the input by such.

Speed–accuracy trade-offs in choice RT tasks have been ex-plained in two ways. First, they may reflect changes in the pro-portion of guessing responses (e.g., Dutilh, Wagenmakers, Visser, & van der Maas, ; Ollman, ; Yellott, ).

Fast guesses may be based on purely random choices or on partial information.

Description Impulsivity and speed accuracy trade-offs in visual and lexical complexity tasks PDF

When comparing response and stopping latencies obtained in the two tasks with scores on the impulsivity questionnaire, only one significant correlation was obtained between verbal SSRT and dysfunctional impulsivity (see Figure Figure2B, 2 B, r =p = ). Participants who had a higher score on the dysfunctional impulsivity scale were.

nominal task difficulty than lifting a book regardless of whoever does it. ASHA Convention Challenge Point Framework (CPF) in the impulsivity style, the person will solution.

Reflectivity indicates that in a speed- accuracy tradeoff situation, the person will typically favor a spatial (accuracy) approach rather than a temporal. Speed-accuracy trade-offs are often considered a confound in speeded choice tasks, but individual differences in strategy have been linked to personality and brain structure.

We ask whether strategic adjustments in response caution are reliable, and whether they correlate across tasks and with impulsivity traits. Platelet MAO activity and the 5-HTT gene promoter polymorphism are associated with impulsivity and cognitive style in visual information processing.

Psychopharmacology, Vol.Issue. 4, p. Speed of information processing, Impulsivity and speed-accuracy. The decision to be lexicalist or not carries over directly into information‐theoretical complexity metrics.

For instance, the phrase‐structured language model of Section is partially lexical. This means that some probabilities are contributed by preterminal rules having to do with real words e.g.

N → beer or V → loves, while others. responsible for speed accuracy trade-offs (SATs). Speeded decisions based on several types of infor-mation were examined in 3 experiments, involving, respectively, a line discrimination task, lexical decisions, and an Erikson flanker task.

Three levels of SAT were obtained in each experiment by. visual Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US12/, Other versions USB2 (en Inventor Brooke Hallowell Hans Kruse.

Various governmental organizations have begun to rely on so-called Internet speed tests to measure broadband Internet speed. The accuracy of measurement is critical to these assessments, as measurements can inform everything from investment decisions to policy actions and even litigation.

Building on previous work (Drugowitsch et al., ), it is shown that decision-makers adjust their speed-accuracy trade-off flexibly from one moment to the next, based on evidence available from multiple sensory modalities, in order to nearly maximize their reward rate.ORIGINAL RESEARCH ARTICLE published: 22 May doi: /fpsyg Impulsivity and rapid decision-making for reward Stephanie Burnett Heyes1,2*, Robert 1, Maren Urner1, Leslie van der Leer1,3, Bahador Bahrami1,4, Paul M.

Bays 1and Masud Husain 1 Institute of Neurology and Institute of Cognitive Neuroscience, University College London, London, UK. Impulsivity is a behavioural trait that comprises several distinct processes.

It is a key feature of many psychopathologies such as mania, addictive disorders or attention deficit-hyperactivity disorders. To date, the aspects of impulsiveness involved in these pathologies have not yet been explicitly defined.

In these disorders, sensation or drug seeking and cognitive deficits are closely.