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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Treatment Effects Related to EEG-Biofeedback for Crack Cocaine Dependency: Changes in Personality and Attentional Variables

Burkett, Virginia Shannon 08 1900 (has links)
EEG biofeedback (neurotherapy) has been demonstrated as effective in the treatment of alcoholism, as evidenced by Peniston and Kulkosky's research efforts. These neurotherapy pioneers evaluated the efficacy of alpha-theta brain wave biofeedback as a treatment for chronic alcohol abuse, citing 80% abstinence rates as measured by improvements in psychopathology, serum beta endorphin levels, and long-term alcohol abstinence. Most research with alpha-theta EEG biofeedback has addressed alcohol addiction. Cocaine is now considered to be the most common drug problem of patients entering treatment for drug abuse. To date, only one controlled study has been published that researched alpha-theta neurofeedback in the treatment of "crack" cocaine addiction. The present study was an extension of a 4-year EEG-biofeedback treatment outcome project underway at a faith-based homeless mission in Houston, Texas, with male "crack" cocaine addicts. Changes in personality, attention, and impulsivity were measured following 30 sessions of a non-individualized EEG -biofeedback protocol. Experimental subjects received a variant of the Peniston-Kulkosky alpha-theta protocol for 30 sessions while controls received all elements of the experimental protocol except the EEG biofeedback. Assessment measures included the MMPI-2 and the IVA. Although experimental subjects showed greater mean improvement on most MMPI basic scales and all IVA Attention related measures, results indicated no significant differences between control and experimental groups. The present study did not result in significant differences between control and experimental groups on attentional or personality variables in crack cocaine addicts. Implications and limitations of the study are discussed.
2

Treatment Outcomes Related to EEG-Biofeedback for Chemical Dependency: Changes in MMPI-2™ (University of Minnesota) Personality Measures and Long Term Abstinence Rates

Callaway, Tonya Gayle 05 1900 (has links)
Peniston and Kulkosky (1989, 1990) demonstrated the effectiveness of alpha-theta EEG-Biofeedback (EEG-BFB) in treating inpatient alcoholics noting significant improvements in depression, psychopathology, serum β-endorphin levels, and abstinence rates. The present study is an extension of a previously unpublished replication of the Peniston EEG-BFB protocol with 20 chemically dependent outpatients (Bodenhamer-Davis, Callaway, & DeBeus, 2002). Fifteen subjects were "high risk for re-arrest" probationers. Data for the EEG-BFB group was collected from archival records. Subjects completed an average of 39 sessions (SD = 6.096), with 33 of those being EEG-BFB. Pre/post-treatment MMPI-2s™ (University of Minnesota) were collected and follow-up (4-11 years) data obtained (abstinence rates, re-arrests in some cases). Treatment effects were evaluated by comparing assessment data (pre/post) and documenting abstinence rates. Post-treatment MMPI-2 results were within normal limits, with several scales significantly reduced from baseline suggesting less psychopathology. Results were then compared to 20 subjects receiving standard addiction treatment (OT-CD group), but not EEG-BFB. OT-CD subjects completed a 2-week inpatient program followed by 18 outpatient sessions. Pre/post assessment and follow-up data was collected on the OT-CD group. The OT-CD group's post-assessment results showed three elevations (MMPI-2 scales 4/6/8), suggestive of characteriological problems. Post-MMPI-2 results of the two groups were compared via ANCOVAs. Findings indicated no significant differences between groups on targeted scales; however, there was a trend for the EEG-BFB group to have lower scores. Follow-up data was obtained on 13 EEG-BFB subjects. Results indicated 92% (n = 12) were sober, with 8% (n = 1) claiming significantly reduced alcohol intake. Probationer re-arrest and revocation rates were collected on the subset of probationers (n = 14 out of 15). The majority of the probationers (79%, n = 11) had not been re-arrested nor had their probation been revoked. Short-term follow-up information (35-131 days post-assessment), available at the time of writing, for the OT-CD group (N = 13) showed 85% (n = 11) were sober, with 15% (n = 2) relapsed. Limitations and implications of the study are discussed.
3

An ecosystemic approach to addressing attentional difficulties and heightened motor activity

Van der Westhuizen, Beulah 31 March 2007 (has links)
The study proposes an ecosystemic approach as an intervention for attentional difficulties and heightened motor activity, traditionally known as AD/HD. A literature study of AD/HD is presented first as a psycho-educational frame of reference. The focus then shifts to the symtoms of AD/DH to move closer to the possible underlying causes of these symptoms. In doing so, the focus changes from AD/HD as a diagnosis to attentional difficulties and heightened motor activity as presenting symptoms. Attention and motor activity as constructs are investigated in terms of their neuro-anatomical, neuro-chemical and neuro-physiological aspects. Furthermore, neurodevelopment, physiological stress, neurodevelopmental delay, information processing systems, sensory-motor subsystems and integration as constructs are investigated to understand their role in attention and modulation of motor activity. The study of attention and motor activity and their associated neurological factors motivates an alternative, ecosystemic method of intervention. The proposed approach includes an investigation into internal and external biochemical ecosystems such as environmental pollutants, deficiencies of essential nutrients and genetic deficiencies of the immune system. Other aspects such as time, maturation and neurodevelopment are also considered as well as the gentle interplay between these aspects. The therapeutic intervention includes sound therapy, neurodevelopmental movement activities, EEG neurofeedback and nutrition. Experimental research with a sample population of 12 diagnosed grade 4 and 5 AD/HD learners over a 11 week period was conducted. Statistically significant improvements in aspects of attention were noted using 2 standardised instruments and verification through parent interviews in the first and second experimental groups. Statistically significant improvements were noted in aspects of motor activity (a decline in hyperactive behaviour) in the second experimental group with verification from teacher interviews. Additionally, children in the first experimental group improved significantly more than children in the control group with regards to mathematic skills. The second experimental group showed significant improvement with large effect sizes on reading, mathematic skills and spelling. In conclusion, the statistically significant results obtained with the proposed approach motivates implementation, with improvements in attention, motor activity control and academic performance as a prospect. / Psychology of Education / D. Ed.(Psychology of Education)
4

An ecosystemic approach to addressing attentional difficulties and heightened motor activity

Van der Westhuizen, Beulah 31 March 2007 (has links)
The study proposes an ecosystemic approach as an intervention for attentional difficulties and heightened motor activity, traditionally known as AD/HD. A literature study of AD/HD is presented first as a psycho-educational frame of reference. The focus then shifts to the symtoms of AD/DH to move closer to the possible underlying causes of these symptoms. In doing so, the focus changes from AD/HD as a diagnosis to attentional difficulties and heightened motor activity as presenting symptoms. Attention and motor activity as constructs are investigated in terms of their neuro-anatomical, neuro-chemical and neuro-physiological aspects. Furthermore, neurodevelopment, physiological stress, neurodevelopmental delay, information processing systems, sensory-motor subsystems and integration as constructs are investigated to understand their role in attention and modulation of motor activity. The study of attention and motor activity and their associated neurological factors motivates an alternative, ecosystemic method of intervention. The proposed approach includes an investigation into internal and external biochemical ecosystems such as environmental pollutants, deficiencies of essential nutrients and genetic deficiencies of the immune system. Other aspects such as time, maturation and neurodevelopment are also considered as well as the gentle interplay between these aspects. The therapeutic intervention includes sound therapy, neurodevelopmental movement activities, EEG neurofeedback and nutrition. Experimental research with a sample population of 12 diagnosed grade 4 and 5 AD/HD learners over a 11 week period was conducted. Statistically significant improvements in aspects of attention were noted using 2 standardised instruments and verification through parent interviews in the first and second experimental groups. Statistically significant improvements were noted in aspects of motor activity (a decline in hyperactive behaviour) in the second experimental group with verification from teacher interviews. Additionally, children in the first experimental group improved significantly more than children in the control group with regards to mathematic skills. The second experimental group showed significant improvement with large effect sizes on reading, mathematic skills and spelling. In conclusion, the statistically significant results obtained with the proposed approach motivates implementation, with improvements in attention, motor activity control and academic performance as a prospect. / Psychology of Education / D. Ed.(Psychology of Education)

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