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Topic: Behavior shaping constraint


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In the News (Fri 11 Dec 09)

  
  Constraint-based therapies as a proposed model for cognitive rehabilitation. | The Journal of Head Trauma ...
Injury of the affected limb leads to unsuccessful motor attempts, which in turn are thought to create 2 simultaneously occurring behavioral phenomena: (1) suppression of movement in the affected limb due to failed attempts and (2) positive reinforcement of compensatory behaviors related to success (eg, feeding, movement).
The goal of restraint is to prevent compensatory behavior, thus changing the contingencies of reinforcement.
Shaping techniques, requiring the successive approximation of a desired behavior such that improvement required at any one point is small, have been shown to provide an effective bridge from training to real-life settings.
www.accessmylibrary.com /coms2/summary_0286-14879392_ITM   (1238 words)

  
  'Shaping' Technique Found Effective and Efficient in Brain Injury Rehabilitation
Shaping therapy is based on conditioning behavior: Patients are trained individually to perform increasingly difficult tasks with their affected arm, and then are rewarded for improvement.
Daily shaping sessions were much shorter (90 minutes in the study) than the typical six-hour sessions with constraints.
With a constraint, the unaffected arm must be in a sling during awake hours to force movement in the affected arm.
www.neuroskills.com /pr-shaping.shtml   (565 words)

  
 AUTCOM: Behaviorism and Developmental Approaches   (Site not responding. Last check: 2007-11-04)
Behavior is response to stimuli coming from outside...So far as it is not innate or instinctive, behavior is shaped by outside influences that have met the organism in the past: classical conditioning after Pavlov, instrumental conditioning after Skinner, early childhood experience after Freud, secondary reinforcers after more recent theories." Ludwig von Bertalanffy, Ibid., pp.
The ability to determine the function a problematic behavior is serving assists in the identification of skill deficits and in the design of a behavioral inter-vention that emphasizes the teaching of positive replacement behaviors.
In this case (of behavior modification via rewards) it is not merely the individual rewarder who comes out ahead; it is the institution, the social practice, the status quo that is preserved by the control of people's behavior.
www.autcom.org /approaches.html   (3964 words)

  
 'Shaping' technique found effective and efficient in stroke rehab
Shaping therapy is based on conditioning behavior: Patients are trained individually to perform increasingly difficult tasks with their affected arm, and then are rewarded for improvement.
Daily shaping sessions were much shorter (90 minutes in the study) than the typical six-hour sessions with constraints.
With a constraint, the unaffected arm must be in a sling during awake hours to force movement in the affected arm.
www.eurekalert.org /pub_releases/2003-09/aaon-tf091503.php   (619 words)

  
 RFC 2475 - An Architecture for Differentiated Service. S. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, W. Weiss.
RFC 2475 Architecture for Differentiated Services December 1998 G.4: When proper functioning of a PHB group is dependent on constraints such as a provisioning restriction, then the PHB definition should describe the behavior when these constraints are violated.
A key distinction between a legacy node and a DS-compliant node is that the legacy node may or may not interpret bits 3-6 of the TOS octet as defined in [RFC1349] (the "DTRC" bits); in practice it will not interpret these bit as specified in [DSFIELD].
Note that it is important to restrict the codepoints in use to the Class Selector Codepoints, since the legacy node may or may not interpret bits 3-5 in accordance with [RFC1349], thereby resulting in unpredictable forwarding results.
rfc.dotsrc.org /rfc/rfc2475.html   (11131 words)

  
 Chapter 3: The Nature of Technology
Indeed, the techniques of shaping tools are taken as the chief evidence of the beginning of human culture.
One type of constraint is absolute—for example, physical laws such as the conservation of energy or physical properties such as limits of flexibility, electrical conductivity, and friction.
For example, the lightest material may not be the strongest, or the most efficient shape may not be the safest or the most aesthetically pleasing.
www.project2061.org /publications/sfaa/online/chap3.htm   (4186 words)

  
 Interactions Between Conditioned and Instinctual Behavior
When there is a conflict between learned and instinctual behavior, organisms sometimes do things that don't fit the simple model of conditioning first put forth by John B. Watson, and to a lesser extent B.
While training animals to perform "human" type actions for TV commercials, animals would perform well for a while, then their behavior would deteriorate for no apparent reason -- they were still being reinforced, etc., but the control exerted by the contingencies of reinforcement were no longer maintaining the behavior.
Ethology is sometimes referred to as the Biology of Behavior, indicating the source of the perspective (biology), and the nature of ethologists' take on behavior (the instinctual behavior exhibited by all members of the species).
employees.csbsju.edu /tcreed/pb/misbehav.html   (2891 words)

  
 Addressing Behavioral Issues in Educational Settings
The traditional student has profound constraints that operate on him which are of an extrinsic sort: the historical and institutional constraints that are embedded in schools which have evolved over time to serve certain societal purpose in certain ways.
The shift from medical [or therapeutic] models to behavioral models and then to cognitive models of intervention is indicative of an evolution towards teaching modalities as the preferred intervention in emotional and behavioral disorders..
Since being 'in control' describes the adaptive shaping of internal and environmental events to one's goals, thus, checking against one's personal standard or goal; someone who is "in control" is accepting of their own and (perhaps) others' goals while responding to both internal spontaneous desires and external novelty.
www.cognitivebehavior.com /practice/concepts/behavioral_issues_education.html   (12362 words)

  
 Information Foraging in Information Access Environments   (Site not responding. Last check: 2007-11-04)
Typically, information-processing models of cognition have addressed behavior at the cognitive band, and elementary cognitive mechanisms and processes (e.g., such as those summarized in the Model Human Processor, [5]) play a large part in shaping observed behavior at that grain size.
Such explanations assume that behavior is governed by rational principles and largely shaped by the constraints and affordances of the task environment.
Constraint assumptions, which limit and define the relationships among decision and currency variables.
www.acm.org /turing/sigs/sigchi/chi95/Electronic/documnts/papers/ppp_bdy.htm   (4027 words)

  
 Some Observation on the Laffer Curve
It was as early as 1982 when Buchanan and his collaborators used the Laffer relation to analyze the behavior of political agents and derived the conditions for political equilibrium (see especially Buchanan and Lee [1982a and 1982b]).
Notwithstanding the fact that the curve is often used to explain the Leviathan behavior of a revenue-maximizing bureaucracy, it is not a useful tool for the design of economic policy.
Thus, the shape of the Laffer curve only follows if we assume that the budget is balanced, i.e., taxes will be raised to cover government expenses for wages in the public sector.
www.gmu.edu /jbc/fest/files/Monissen.htm   (3474 words)

  
 [No title]   (Site not responding. Last check: 2007-11-04)
A distinction is maintained between: o the service provided to a traffic aggregate, o the conditioning functions and per-hop behaviors used to realize services, o the DS field value (DS codepoint) used to mark packets to select a per-hop behavior, and o the particular node implementation mechanisms which realize a per-hop behavior.
The constraints imposed by the use of a specific link-layer technology in particular regions of a DS domain (or in a network providing access to DS domains) may imply the differentiation of traffic on a coarser grain basis.
In general, the observable behavior of a PHB may depend on certain constraints on the traffic characteristics of the associated behavior aggregate, or the characteristics of other behavior aggregates.
www.ietf.org /rfc/rfc2475.txt   (11145 words)

  
 Shaping command inputs to minimize unwanted dynamics - Patent 4916635
However, if the input shaping accounts for the dynamic characteristics of the closed loop plant, then shaped input commands can be given to the closed loop plant as well.
First constraints are established which bound the available input and second constraints are established on variation in system response with variations in system characteristics.
Two more constraint equations are added, therefore, the impulse sequence is increased by one to a total of four impulses.
www.freepatentsonline.com /4916635.html   (5925 words)

  
 MSYS 330 (Organizational Behavior) Syllabus
This course is designed to examine the behavior of individuals in organizational settings.
In each case, your job is to describe how the principles presented in the textbook take shape at the University of Richmond.
The only real constraint is that the presentation must make obvious links to principles discussed in the relevant chapter from your textbook.
www.richmond.edu /~rcoughla/msys330   (945 words)

  
 The 360 Business & Project Management Glossary
Capacity Constraint Buffer - The buffer used in the drum schedule to buffer the use of the drum resource in one project to its use in the next project.
Constraint - Any element or factor that prevents a system from achieving a higher level of performance relative to its goal.
Constraint - TOC claims that a change to most of the variables in an organization will have only a small impact on the global performance – on the bottom line.
paradigm-360.com /WhitePapers/Glossary.html   (12270 words)

  
 RFC 3260 (rfc3260) - New Terminology and Clarifications for Diffserv
Usage of PHB Group RFC 2475 defines a Per-hop behavior (PHB) group to be: "a set of one or more PHBs that can only be meaningfully specified and implemented simultaneously, due to a common constraint applying to all PHBs in the set such as a queue servicing or queue management policy.
RFC 2475 states: "Ingress nodes must condition all other inbound traffic to ensure that the DS codepoints are acceptable; packets found to have unacceptable codepoints must either be discarded or must have their DS codepoints modified to acceptable values before being forwarded.
However, this behavior could also be performed in DS-ingress nodes AFTER the traffic conditioning required by RFC 2475 (in which case, an unrecognized DSCP would occur only in the case of misconfiguration).
www.faqs.org /rfcs/rfc3260.html   (2728 words)

  
 Learning Theories
Shaping-- reinforcement of successive approximations of a behavior until the target behavior is achieved.
Skinner believed that human behavior is shaped by three forces: (1) natural selection; (2) the evolution of cultures, and (3) the individual's personal history of reinforcement.
Self-System-- the set of cognitive processes by which a person perceives, evaluates, and regulates his or her own behavior so that it is appropriate to the environment and effective in achieving the individual's goals.
comp.uark.edu /~nlwilli/406ho5.htm   (1419 words)

  
 Constraint-Induced Movement Therapy: A New Family of Techniques with Broad Application to Physical Rehabilitation--A ...   (Site not responding. Last check: 2007-11-04)
Conditioned response and shaping techniques are another means of overcoming the inability to use a single deafferented limb in primates (10,26-34).
The intensive physical therapy intervention did not involve physical constraint of the less-affected arm; however, the subjects were requested to not make use of their less-affected arm and this regimen was monitored.
Since behavioral mechanisms apparently underlie both the cortical disorder and the involuntary incoordination of movement, we hypothesized that a behavioral intervention could be of value in reducing or eliminating these conditions.
www.vard.org /jour/99/36/3/taub.htm   (9193 words)

  
 ANSI/IEEE Std 802.1D-1998 -- Information Technology -- Telecommunications and information exchange between systems -- ...
A per-hop behavior (PHB) is a description of the externally observable forwarding behavior of a DS node applied to a particular DS behavior aggregate.
G.4: When proper functioning of a PHB group is dependent on constraints such as a provisioning restriction, then the PHB definition should describe the behavior when these constraints are violated.
Setting of the DS field and conditioning of the temporal behavior of marked packets need only be performed at network boundaries and may vary in complexity.
xml.resource.org /public/rfc/xml/rfc2475.xml   (11034 words)

  
 Douglas Low's "The Relevancy of Merleau-Ponty’s Political Theory"
And finally, the minimalist position is supported because the whole point of a minimalist framework such as “do what you want as long as no harm is brought to another” is to establish a principle of social constraint that grants as much freedom as possible to the individuals that must submit to the constraint.
This implies an equality of constraint, that is, each person’s freedom is constrained by that of all the others, Or stated positively, as has been done above: you can do whatever you want as long as you do not harm another, another’s property, or another’s freedom of choice and action.
The inequality of wealth and power (the lack of mutual constraint, particularly in the economic and political process) also puts the wealthy in the position b.) to harm the property values of others, for, generally speaking, their disproportionate control of economic policy favors their own property values often at the expense of others.
www.uwf.edu /dlow/mp-pol.htm   (5518 words)

  
 Unit 3 Module 2 Operant Conditioning
The subject may be referred to as "stubborn." In the case of the laboratory rat, however, the experimenter reinforces successive approximations, despite the fact that the rat is perfectly capable of walking to the bar, standing up, and pressing it.
The first behavior one would establish would be the last response in the chain: bar pressing followed by presentation of food.
Now any behavior that turns on the light will automatically be rein- forced since the rat will, when the light goes on, press the bar and receive a pellet.
online.sfsu.edu /~psych200/unit3/32.htm   (4347 words)

  
 Qos in Data Networks: Protocols and Standards
According to this model network traffic is classified and conditioned at the entry to a network and assigned to different behavior aggregates[ diffserva].Each such aggregate is assigned a single DS codepoint (i.e.
Distinct behavioral patterns are only observed when multiple behavioral aggregated compete for buffer and bandwidth resources on a node.
In constraint based routing routing tables have to be computed much more frequently than with dynamic routing since routing table computations can be triggered by a myriad of factors like bandwidth changes, congestion etc. Therefore the load on routers is very high.
www.cse.wustl.edu /~jain/cis788-99/ftp/qos_protocols   (9916 words)

  
 Henehan
This shifts the focus from the votes of the members to the behavior of the institution as a whole.
On the other hand, the potential for contention increases because the constraint of the bipartisan consensus over containment, as fractured as it was by Vietnam, is now irrelevant.
A problem with looking at current behavior without a long-term theoretical perspective is that it can give rise to an analysis that is weak on explanation and judgmental from a normative point of view.
www.ou.edu /special/albertctr/extensions/spring2001/Henehan.html   (2441 words)

  
 [No title]
For example, ethologists define behavior patterns topographically rather than functionally, whereas behavior analysts give only secondary importance to structural constraints that are central to the ethological approach.
By noting distinctions such as that between translation, whereby a single experiment is interpreted from both theoretical viewpoints, and "true simulation," where contingencies are explicitly arranged to mimic conditions assumed to exist in the wild, Crawford helps the parties to walk into this potential marriage with their eyes open.
Perhaps the behavioral sciences will one day catch up to biology in recognizing the significance of the selecting role of the environment and the pitfalls of placing ideology ahead of data.
seab.envmed.rochester.edu /jeab/vas/vasviCommon.html   (1002 words)

  
 Plasma Physics: Future NIF Experiments
In some cases, knowledge of the behavior of the phenomena is quite extensive and deeper understanding is sought.
Because laser-plasma instabilities are the subject of numerous studies, and instabilities form a challenging area of plasma physics, the NIF's large uniform plasmas and laser-pulse shaping coupled to the diagnostics possible on the NIF make it an ideal site for studying these processes.
Primordial lithium abundances are a critical constraint on big-bang nucleosynthesis and cosmology.
www.llnl.gov /science_on_lasers/10PlasPhys/PPh-D_Futur.html   (3487 words)

  
 Interactions Between Conditioned and Instinctual Behavior
When there is a conflict between learned and instinctual behavior, organisms sometimes do things that don't fit the simple model of conditioning first put forth by John B. Watson, and to a lesser extent B.
While training animals to perform "human" type actions for TV commercials, animals would perform well for a while, then their behavior would deteriorate for no apparent reason -- they were still being reinforced, etc., but the control exerted by the contingencies of reinforcement were no longer maintaining the behavior.
Ethology is sometimes referred to as the Biology of Behavior, indicating the source of the perspective (biology), and the nature of ethologists' take on behavior (the instinctual behavior exhibited by all members of the species).
www.employees.csbsju.edu /tcreed/pb/misbehav.html   (2891 words)

  
 Troubleshooting - Wikipedia, the free encyclopedia
Comprehensive documentation produced by proficient technical writers is very helpful, especially if it provides a theory of operation for the subject device or system.
A common cause of problems is bad design, for example bad human factors design, where a device could be inserted backward or upside down due to the lack of an appropriate forcing function (behavior-shaping constraint), or a lack of error-tolerant design.
This is especially bad if accompanied by habituation, where the user just doesn't notice the incorrect usage, for instance if two parts have different functions but share a common case so that it isn't apparent on a casual inspection which part is being used.
en.wikipedia.org /wiki/Troubleshooting   (422 words)

  
 The social organization in constraint-induced movement therapy   (Site not responding. Last check: 2007-11-04)
The therapy team draws up a behavioral contract for each patient in which the patient agrees to wear the restraint during waking hours except when performing certain activities such as toileting.
Thus, by signing the behavioral contract, the participant agrees not only to wear the constraint during therapy but also to follow a home training schedule, with evening and weekend tasks, to try to use the impaired limb as much as possible in ADLs.
Stroke survivors are not purely "behavioral" entities, whose conduct is presumably shaped by the contingencies of usage.
www.vard.org /jour/05/42/3/boylstein.html   (7727 words)

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