Behavioral Assessment and Intervention for Self-Injurious … · • Interventions for SIB that can...
Transcript of Behavioral Assessment and Intervention for Self-Injurious … · • Interventions for SIB that can...
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Behavioral Assessment and Intervention for Self-Injurious Behavior
David McAdam, Ph.D., BCBA-D
Rochester Regional Center for Autism Spectrum Disorder
Strong Center for Developmental Disabilities
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RRCASD Webinar Series
Get Started on Your Path to Employment
Kaitlyn Richardson, M.P.P.
Wednesday, March 14, 2018
3:00-4:00 p.m.
Register at www.scdd.urmc.edu/rrcasd
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David B. McAdam, PhD, BCBA-D
University of Rochester School of Medicine
Department of Pediatrics
Strong Center for Developmental Disabilities
Warner School of Education and Human
Development
February 2018
Rochester Regional Center for Autism Spectrum
Disorder
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Learning Objectives
• Increase understanding of…
• Understanding of challenging behavior and SIB
• Risks associated with SIB
• Why persons with developmental disabilities engage in SIB
• The behavioral assessment of SIB
• Interventions for SIB that can be implemented by parents and service providers
• Understanding of situations which suggest that parents and professional without specific training require additional help
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Emerson ( 2005 ) defined challengingbehavior as:
“…culturally abnormal behaviour of such intensity, frequency or duration that the physical safety of the person or others is placed in serious jeopardy, or behaviour which is likely to seriously limit or deny access to the use of ordinary community facilities…”
What is missing from this definition?
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Types of Challenging Behavior Displayed by Persons with ASD
• Self-injurious behavior (SIB)
• Aggression
• Stereotypic Behavior
• Tantrums (non-compliance paired with negative vocalizations, and aggression)
• Property Destruction
• Feeding Problems (only eating a small number of foods)
• Pica
• Rumination
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Definitions of Self-injurious Behavior
Self-injurious behavior (SIB), displayed by individuals with autism and intellectual disabilities, involves the occurrence of behavior that results in physical injury to one's own body (Kennedy Krieger Institute).
SIB is defined as behaviors that result in physical injury to an individual’s own body (Center for Autism Research; The Children’s Hospital of Philadelphia) .
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Common forms of SIB•Head Banging
•Punching oneself
•Hitting oneself
•Hand Arm Biting
•Picking skin or sores
• Pica (swallowing non-edible items or objects)
•Excessive skill rubbing or scratching
•Rumination
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Characteristics of persons with intellectual disabilities who display SIB:
• Gender:
• Males=57%
• Female 43%
• Level of Mental Retardation:
• 71% with severe or profound mental retardation
• Negative relationship between I.Q. and probability of displaying SIB.
Kahng et al. (2002)
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Secondary Diagnoses
•Visual impairments (14%)
•Autism (10%)
•Hearing impairments (6%)
Kahng et al. (2002)
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Topographies of Self-injury
• Head hitting
• Hair pulling
• Biting self
• Eye poking
• Hand mouthing
• Pinching self
• Body hitting
• Kicking Self (e.g., knee to head)
• Pica
• Rumination
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Potential Detrimental Consequences of SIB
• Interferes with learning (i.e., reduced rate of learning)
• Increases monetary cost of serving a person in his or her lifetime.
• Frequently results in placement in more restrictive settings
• Often result in referral to specialist (for example, a BCBA-D or licensed psychologist with specific training in self-injurious behavior)
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Causes/Theories of SIBWhy Do Individuals with Autism
Engage in SIB?
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Biological Setting Events
• Pain due to:
• Otitis Media
• Headaches
• Gastroesophageal Reflux Disease or other GI problems
• Menstrual Pain
• Sleep Deprivation
• Mood
• Allergies (skin scratching)
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Environmental Setting Events
•Noise
•Crowded situations
•Certain people or activities
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Medical Causes
Some individuals with ASD are hypothesized to engage in SIB as a way to relieve pain. By stimulating pain in a controlled way (through engaging in SIB), a person may seeks to mask another pain, such as an ear infection toothache, headache, or constipation.
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Genetic Predisposition
�Research studies have shown that some individuals’ genes may make them more likely to engage in SIB. Genetic syndromes include:•Lesch-Nyhan•Prader-Willi•Smith-Magenis•Fragile X•de Lange
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Operant Causes
�Social Positive Reinforcement�Social Negative Reinforcement �Non-social Reinforcement
Let’s look at each of these in some detail
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Social Positive Reinforcement (positive reinforcement)
• Person with Autism engage in SIB in order to get attention from other people or access to a high preference item or activity
• Attention may be from parent, teacher, peer, or only during specific situations (for example, two people talk to each other but not to the person)
• To get a specific preferred item (for example, cookies, stuff animal, video game such as Mario Cart)
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Example of Positive Reinforcement
John often hits himself in the head with his hand. Each time he hits himself he is reprimanded by his mother. John’s frequency of SIB increases over time.
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Social Negative Reinforcement (negative reinforcement)
•SIB allows a person to escape from an activity (for example, math, brushing your teeth)
•SIB allows a person to avoid a situation that they find aversive
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Example of Negative Reinforcement
When asked to complete activities of daily living, such a brushing her teeth, Susan often bites herself on the hand. Susan’s teachers typically stop prompting her to complete the task. Susan’s frequency of biting her hand increases over time.
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Automatic Reinforcement
• SIB is maintained by non-social factors
• SIB is not mediated by the actions of other people
• SIB should be as likelihood to occur when an individual is alone as in the presence of other people
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Example of Automatic Reinforcement
John is alone in the front room of his group home. John is seated in a chair and occasionally hits himself in the head.
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Arousal Theory
Individuals may engage in SIB to increase their arousal level or to counteract feeling over aroused. SIBs may be an attempt to release tension or relieve anxiety
Note: Arousal theory has been very difficult to demonstrate
convincingly and current level of supporting evidence is not great.
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Functional Communication and SIB
• Many individuals with ASD have some form of communication difficulty. SIB is seen most frequently in individuals with ASD who lack functional communication skills to express their wants and needs. The inability to communicate one’s wants and needs sets the occasion for SIB.
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Discussion of the Assessment of SIB
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How Often is SIB Socially Maintained versus Automatically Maintained?
•About 60% of SIB is socially maintained
•Approximately about 40% of SIB is non-socially maintained
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Why do we want to collect data?
•To be sure that the behavior in question is really a problem
•To be sure that the change in behavior really happened
•To make sure that all team members agree on the desired behavior change
•To serve as a source for functional assessment
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Functional (Behavioral) Assessment
• IDEA 1997 mandated that a functional
behavioral assessment is part of any written
behavior plan
• Overarching goal of functional assessment is
to determine why the behavior occurs
• Takes into account medical, genetic, and
biological factors as well as environment
• Today’s best practices in assessment and
intervention of problem behavior includes an
FBA
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Why should we care about the function of a problem behavior?
•When you know “WHY” a person is displaying SIB, you can better help a person decrease the behavior
•We usually try and find out why a person engages in SIB before we develop an intervention
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Three Types of Functional Assessments
• Questionnaires:
• Questions About Behavior Function (QABF)
• Motivational Assessment Scale (MAS)
• FAST (Functional Analysis Screening Tool)
• Direct observation:
• ABC Analysis
• Scatter Plot
• Experimental or Functional Analysis
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Questionnaires (MAS; QABF, FAST)
Advantages: Easy to use and do not require much formal training
Disadvantages: Often do not provide a clear answer. Might result in the development of a treatment that is less likely to be effective
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Type of Questions Contained on Indirect Measures
• Engages in behavior to get attention (QABF)
• Engages in behavior when peer has something that he/she wants (QABF)
• Does the behavior seem to indicate to you that he/she is not feeling well? (QABF)
• Does the behavior seem to occur in response to your talking to other persons in the room? (MAS)
• Does the behavior occur whenever you stop attending to the person (MAS)
• Does the behavior occur when you take away a favorite toy, food, or activity (MAS)
MAS=6 point scale QABF=5 point scale
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Direct ObservationDirect observation in daily environment
–Focuses on observable antecedents and consequences of behavior; can also get information about time of day, duration, and frequency of problem behavior
–Can be done by outside observers for a specific interval of time
–Data can also be collected by parents, teachers, or staff throughout the day
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Conducting a Functional Analysis
Done when still don’t know the function to the
problem behavior
Involves directly manipulating the antecedents and
consequences for behavior
Sometimes called an Experimental analysis or an
Analog Functional Analysis
Needs to be done by someone with experience in
doing them (a BCBA or Behavior analyst)
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Typical Functional Analysis Conditions
•Negative Reinforcement (Demands)
•Positive Reinforcement (Tangible items or Social Attention)
•Automatic Reinforcement (Alone or Ignore)
•Control or Toy Play
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SIB
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Functional Analysis
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Interventions for SIBBased on Behavioral Function
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Developing a Hypothesis
Once a functional assessment has been conducted, a hypothesis
is developed regarding the function or purpose the behavior
serves
Use this hypothesis to develop an intervention
Can intervene at many levels:
–Modify the setting event/establishing operation
–Modify the antecedent
–Change or add reinforcement to affect the consequence of
behavior
–Provide the same of similar source of sensory (automatic)
reinforcement
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Antecedent-based Interventions
Antecedent Environmental Manipulation-Altering aspects of an individual’s surrounding that may serve as a discriminative stimulus (cue or signal for SIB) for SIB, that will in turn may modify the SIB in some way.
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Interventions – AntecedentsModify antecedents for behavior by removing or modifying the things that “set off” behavior
–Eliminate specific tasks
–Go from easy to difficult tasks
–Embed tasks
–Change the prompts (the way you provide directives or instructions)
–Change the way that materials are presented
–Break down activity into discrete steps and (using task analysis)
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Reinforcement-Based Interventions
• Contingent Reinforcement
• Non-contingent reinforcement
• Differential reinforcement
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Differential Reinforcement Procedures
• DRO-a reinforcement procedure in which an individual or group receives a reinforce for completely refraining from a specific behavior for a specified period of time regardless of other behaviors demonstrated
• DRA-Reinforcing a more appropriate from of a behavior than the one the that the person is currently engaged in (functional communication training, engagement in a specific activity)
• DRL-delivering reinforcement when h the number of responses in a specified period of time is less than or equal to a prescribed limit. This maintains a behavior at a predetermined rate, lower than at its baseline or naturally occurring frequency
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Functional Communication Training
Teaching a verbal or non-verbal communication skill to gain access to desired items/activities or to avoid non-preferred activities in a pro-social manner, so that it replaces SIB that had been used for the same purpose
Only applied to socially-maintained challenging behavior
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SIB
FCT
FCT+Extinction FCT+Extinction
BaselineFR 1
BaselineFR 1
FCT+Extinction
Therapistgeneralization
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Extinction (Planned Ignoring)
• Withholding the reinforcer that is maintaining SIB(e.g., attention from other people)
• May not be treatment of choice with severe SIB
• Very difficult to implement consistently across all people and settings
• Possibility of extinction burst
• Always a good idea to minimize attention for behavior you do not want
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Extinction
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Punishment-based Interventions
A consequence that decreases the probability of the subsequent occurrence of the behavior it follows (Arzin & Holz, 1966)
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Contingent Aversive Stimuli That Have Been Used to Treat Self-Injury
•Facial or Visual Screen
•30-second Basket-hold
•Response Cost
•Overcorrection
•Time-out
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Time-out
Time-out is the withdrawal of the opportunity to earn positive reinforcement or the loss of access to positive reinforcers for a specified period of time contingent on the occurrence of a targeted behavior
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Response Cost
A punishment-based procedure in which the lost of a specific amount of reinforcement occurs, contingent on the display of a targeted behavior (Cooper, Heron, and Heward, 1987)
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Unexpected Side effects of Punishment
• Avoidance of problem situations and problem people
• Does not teach replacement behavior
• Is a poor model for the individual
• Shouldn’t be a first choice for intervention and only done combined with reinforcement procedure
• Self-restraint – treatment can be difficult
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Interventions for Automatically Maintained Challenging Behaviors
Why do interventions for socially maintained challenging behavior look very different than interventions for automatically maintained challenging behavior?
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McCord, B. E., Grosser, J. W., Iwata, B. A., & Powers, L. A. (2005)
Response Blocking
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Favell, McGimsey, & Schell, 1982
Environmental Enrichment/Non-Contingent Reinforcement/Competing items
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Hagopian et al. 2011
Differential Reinforcement
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Medication-Based Treatment
• Some Data that support the use of medications for SIB, particularly SIB maintained by biological or internal variables (i.e., automatic reinforcement). For example, Risperdal, Abilify.
• People generally follow least-restrictive alternative model
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Thanks for Attending!!Questions, Discussion, and
Problem SolvingContact information:
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