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The particular therapeutic techniques vary within the different approaches of CBT according to the particular kind of problem issues, but commonly may include keeping a diary of significant events and associated feelings, thoughts and behaviors; questioning and testing cognitions, assumptions, evaluations and beliefs that might be unhelpful and unrealistic; gradually facing activities which may have been avoided; and trying out new ways of behaving and reacting. Relaxation, [[mindfulness (psychology)|mindfulness]] and distraction techniques are also commonly included. Cognitive behavioral therapy is often also used in conjunction with [[mood stabilizer|mood stabilizing]] medications to treat conditions like [[bipolar disorder]]. Its application in treating [[schizophrenia]] along with medication and family therapy is recognized by the [[National Institute for Health and Clinical Excellence|NICE]] guidelines (see below) within the [[British NHS]].
The particular therapeutic techniques vary within the different approaches of CBT according to the particular kind of problem issues, but commonly may include keeping a diary of significant events and associated feelings, thoughts and behaviors; questioning and testing cognitions, assumptions, evaluations and beliefs that might be unhelpful and unrealistic; gradually facing activities which may have been avoided; and trying out new ways of behaving and reacting. Relaxation, [[mindfulness (psychology)|mindfulness]] and distraction techniques are also commonly included. Cognitive behavioral therapy is often also used in conjunction with [[mood stabilizer|mood stabilizing]] medications to treat conditions like [[bipolar disorder]]. Its application in treating [[schizophrenia]] along with medication and family therapy is recognized by the [[National Institute for Health and Clinical Excellence|NICE]] guidelines (see below) within the [[British NHS]].


Going through cognitive behavioral therapy generally is not an overnight process for clients. Even after clients have learned to recognize when and where their mental processes go awry, it can in some case take considerable time or effort to replace a dysfunctional cognitive-affective-behavioral process or habit with a more reasonable and adaptive one.
Going through cognitive behavioral therapy generally is not an overnight process for clients. Even after clients have learned to recognize when and where their mental processes go awry, it can in some cases take considerable time or effort to replace a dysfunctional cognitive-affective-behavioral process or habit with a more reasonable and adaptive one.


===Group therapy===
===Group therapy===

Revision as of 18:12, 8 June 2009

See also: Cognitive Therapy
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Cognitive behavioral therapy (or cognitive behavior therapy, CBT) is a psychotherapeutic approach that aims to influence dysfunctional emotions, behaviors and cognitions through a goal-oriented, systematic procedure. CBT can be seen as an umbrella term for a number of psychological techniques that share a theoretical basis in behavioristic learning theory and cognitive psychology.[1]

CBT treatments have received empirical support for efficacious treatment of a variety of clinical and non-clinical problems, including mood disorders, anxiety disorders, personality disorders, eating disorders, substance abuse disorders, and psychotic disorders.[2] It is often brief and time-limited. It is used in individual therapy as well as group settings, and the techniques are also commonly adapted for self-help applications. Some CBT therapies are more oriented towards predominantly cognitive interventions while some are more behaviorally oriented. In recent years cognitive behavioral approaches have become prevalent in correctional settings. These programs are designed to teach criminal offenders cognitive skills that will reduce criminal behaviors. It has become commonplace, if not pervasive, to find cognitive behavioral program strategies in use in prisons and jails in many countries. In cognitive oriented therapies, the objective is typically to identify and monitor thoughts, assumptions, beliefs and behaviors that are related and accompanied to debilitating negative emotions and to identify those which are dysfunctional, inaccurate, or simply unhelpful. This is done in an effort to replace or transcend them with more realistic and useful ones.

CBT was primarily developed through a merging of behavior therapy with cognitive therapy. While rooted in rather different theories, these two traditions found common ground in focusing on the "here and now" and symptom removal.[3] Many CBT treatment programs for specific disorders have been developed and evaluated for efficacy and effectiveness; the health-care trend of evidence-based treatment, where specific treatments for specific symptom-based diagnoses are recommended, has favored CBT over other approaches such as psychodynamic treatments.[4] In the United Kingdom, the National Institute for Health and Clinical Excellence recommends CBT as the treatment of choice for a number of mental health difficulties, including post-traumatic stress disorder, OCD, bulimia nervosa and clinical depression.

History

The roots of CBT can be traced to the development of behavior therapy in the early 20th century, the development of cognitive therapy in the 1960s, and the subsequent merging of the two. Behavior therapeutical approaches appeared as early as 1924,[3] with Mary Cover Jones' work on the unlearning of fears in children.[5] However, it was during the period 1950 to 1970 that the field really emerged, with researchers in the United States, the United Kingdom and South Africa who were inspired by the behaviorist learning theory of Ivan Pavlov, John B. Watson and Clark L. Hull.[3] In Britain, this work was mostly focused on the neurotic disorders through the work of Joseph Wolpe, who applied the findings of animal experiments to his method of systematic desensitization,[6] the precursor to today's fear reduction techniques.[3] British psychologist Hans Eysenck, inspired by the writings of Karl Popper, criticized psychoanalysis in arguing that "if you get rid of the symptoms, you get rid of the neurosis",[7] and presented behavior therapy as a constructive alternative.[3][8] In the United States, psychologists were applying the radical behaviorism of B. F. Skinner to clinical use. Much of this work was concentrated towards severe, chronic psychiatric disorders, such as psychotic behavior.[3][9] and autism[3][10]

File:Albert Ellis 2003 emocionalmente sentado.jpg
Albert Ellis (1913–2007) was a pioneer in the development of CBT.

Although the early behavioral approaches were successful in many of the neurotic disorders, it had little success in treating depression.[3] Behaviorism was also losing in popularity due to the so-called "cognitive revolution". The therapeutic approaches of Albert Ellis and Aaron T. Beck gained popularity among behavior therapists, despite the earlier behaviorist rejection of "mentalistic" concepts like thoughts and cognitions. Both these systems included behavioral elements and interventions and primarily concentrated on problems in the present. Albert Ellis' system, originated in the early 1950s, was first called rational therapy, and can arguably be called one of the first forms of cognitive behavioral therapy. It was partly founded as a reaction against popular psychotherapeutic theories at the time, mainly psychoanalysis.[11] Aaron T. Beck, inspired by Albert Ellis, developed cognitive therapy, in the 1960s.[12] Cognitive therapy rapidly became a favorite intervention to study in psychotherapy research in academic settings. In initial studies, it was often contrasted with behavioral treatments to see which was most effective. During the 1980s and 1990s, cognitive and behavioral techniques was merged into cognitive behavioral therapy. Pivotal in this merging was the successful developments of treatments of panic disorder by David M. Clark in the UK and David H. Barlow in the US.[3]

Concurrently with the contributions of Albert Ellis and Beck, starting in the late 1950s and continuing through the 1970s, Arnold A. Lazarus developed what was arguably the first form of broad-spectrum cognitive behavioral therapy..[13] He later broadened the focus of behavioral treatment to incorporate cognitive aspects.[14] When it became clear that optimizing therapy's effectiveness and effecting durable treatment outcomes often required transcending more narrowly focused cognitive and behavioral methods[clarification needed], Arnold Lazarus expanded the scope of CBT to include physical sensations (as distinct from emotional states), visual images (as distinct from language-based thinking), interpersonal relationships, and biological factors.

Samuel Yochelson and Stanton Samenow pioneered the idea that cognitive behavioral approaches can be used successfully with a criminal population. They are the authors of, Criminal Personality Vol.I. This book has an extensive amount of information regarding the dynamics of criminal thinking and application of cognitive behavioral approaches.

Approaches and systems

Further information: List of cognitive–behavioral therapies

CBT includes a variety of approaches and therapeutic systems; some of the most well known include cognitive therapy, rational emotive behavior therapy and multimodal therapy. Defining the scope of what constitutes a cognitive–behavioral therapy is a difficulty that has persisted throughout its development.[15]

The particular therapeutic techniques vary within the different approaches of CBT according to the particular kind of problem issues, but commonly may include keeping a diary of significant events and associated feelings, thoughts and behaviors; questioning and testing cognitions, assumptions, evaluations and beliefs that might be unhelpful and unrealistic; gradually facing activities which may have been avoided; and trying out new ways of behaving and reacting. Relaxation, mindfulness and distraction techniques are also commonly included. Cognitive behavioral therapy is often also used in conjunction with mood stabilizing medications to treat conditions like bipolar disorder. Its application in treating schizophrenia along with medication and family therapy is recognized by the NICE guidelines (see below) within the British NHS.

Going through cognitive behavioral therapy generally is not an overnight process for clients. Even after clients have learned to recognize when and where their mental processes go awry, it can in some cases take considerable time or effort to replace a dysfunctional cognitive-affective-behavioral process or habit with a more reasonable and adaptive one.

Group therapy

Cognitive behavioral group therapy is a group therapy approach, developed by Richard Heimberg for the treatment of social phobia.[16]

Computerized CBT

Main article: Computerised CBT

There are cognitive behavioral therapy sessions in which the user interacts with computer software (either on a PC, or sometimes via a voice-activated phone service), instead of face to face with a therapist. This can provide an option for patients, especially in light of the fact that there are not always therapists available, or the cost can be prohibitive. For people who are feeling depressed and withdrawn, the prospect of having to speak to someone about their innermost problems can be off-putting. In this respect, computerized CBT (especially if delivered online) can be a good option.

Randomized controlled trials have proven its effectiveness, and in February 2006 the UK's National Institute for Health and Clinical Excellence recommended that CCBT be made available for use within the NHS across England and Wales, for patients presenting with mild to moderate depression, rather than immediately opting for antidepressant medication.[17]

Specific applications

CBT is applied to many clinical and non-clinical conditions and has been successfully used as a treatment for many clinical disorders, personality conditions and behavioral problems.[2] Whilst CBT is highly effective for a number of disorders it is important to note that cognitive behavioural therapy is unlikely to be effective in patients with substance dependence and/or abuse problems as cognitive behavioral therapy itself cannot change drug or alcohol induced mental health symptoms.[18][19]

Anxiety disorders

A basic concept in CBT treatment of anxiety disorders is in vivo exposure—a gradual exposure to the actual, feared stimulus. This treatment is based on the theory that the fear response has been classically conditioned and that avoidance positively reinforces and maintains that fear. This "two-factor" model is often credited to O. Hobart Mowrer.[20] Through exposure to the stimulus, this conditioning can be unlearned; this is referred to as extinction and habituation. A specific phobia, such as fear of spiders, can often be treated with in vivo exposure and therapist modeling in one session.[21] Obsessive compulsive disorder is typically treated with exposure with response prevention.

Social phobia has often been treated with exposure coupled with cognitive restructuring, such as in Heimberg's group therapy protocol.[22] Evidence suggests that cognitive interventions improve the result of social phobia treatment.[23]

CBT has been shown to be effective in the treatment of generalized anxiety disorder, and possibly more effective than pharmacological treatments in the long term.[24] In fact, one study of patients undergoing benzodiazepine withdrawal who had a diagnosis of generalized anxiety disorder showed that those who received CBT had a very high success rate of discontinuing benzodiazepines compared to those who did not receive CBT. This success rate was maintained at 12 month follow up. Furthermore in patients who had discontinued benzodiazepines it was found that they no longer met the diagnosis of general anxiety disorder and that patients no longer meeting the diagnosis of general anxiety disorder was higher in the group who received CBT. Thus CBT can be an effective tool to add to a gradual benzodiazepine dosage reduction program leading to improved and sustained mental health benefits.[25]

Mood disorders

One etiological theory of depression is Aaron Beck's cognitive theory of depression. His theory states that depressed people think the way they do because their thinking is biased towards negative interpretations. According to this theory, depressed people acquire a negative schema of the world in childhood and adolescence as an effect of stressful life events. When the person with such schemata encounters a situation that in some way resembles the conditions in which the original schema was learned, the negative schemata of the person are activated.[26]

Beck also described a negative cognitive triad, made up of the negative schemata and cognitive biases of the person; Beck theorized that depressed individuals make negative evaluations of themselves, the world, and the future. Depressed people, according to this theory, have views such as "I never do a good job," and "things will never get better." A negative schema helps give rise to the cognitive bias, and the cognitive bias helps fuel the negative schema. This is the negative triad. Also, Beck proposed that depressed people often have the following cognitive biases: arbitrary inference, selective abstraction, over-generalization, magnification and minimization. These cognitive biases are quick to make negative, generalized, and personal inferences of the self, thus fueling the negative schema.[26]

For treatment of depression, a large-scale study in 2000[27] showed substantially higher results of response and remission (73% for combined therapy vs. 48% for either CBT or a particular discontinued antidepressant alone) when a form of cognitive behavior therapy and that particular discontinued anti-depressant drug were combined than when either modality was used alone.

For more general results confirming that CBT alone can provide lower but nonetheless valuable levels of relief from depression, and result in increased ability for the patient to remain in employment, see The Depression Report,[28] which states: 100 people attend up to sixteen weekly sessions one-on-one lasting one hour each, some will drop out but within four months 50 people will have lost their psychiatric symptoms over and above those who would have done so anyway. After recovery, people who suffered from anxiety are unlikely to relapse. . . . So how much depression can a course of CBT relieve, and how much more work will result? One course of CBT is likely to produce 12 extra months free of depression. This means nearly two months more of work.

The American Psychiatric Association Practice Guidelines (April 2000) indicated that among psychotherapeutic approaches, cognitive behavioral therapy and interpersonal psychotherapy had the best-documented efficacy for treatment of major depressive disorder.[29]

Insomnia

Cognitive behavioral therapy has been found to be effective in reducing benzodiazepine usage in the treatment of insomnia. A large-scale trial utilizing CBT for chronic users of sedative hypnotics including nitrazepam, temazepam and zopiclone found the addition of CBT to improve outcome and reduce drug consumption in the treatment of chronic insomnia. Persisting improvements in sleep quality, sleep latency, and increased total sleep, as well as improvements in sleep efficiency and significant improvements in vitality and physical and mental health at 3-, 6- and 12-month follow-ups were found in those receiving cognitive behavioral therapy with hypnotics compared with those patients receiving hypnotics alone. A marked reduction in total sedative hypnotic drug use was found in those receiving CBT, with 33% reporting no hypnotic drug use. Authors of the study suggested that CBT is potentially a flexible, practical, and cost-effective treatment for the treatment of insomnia and that CBT administered coincident to hypnotic treatment leads to a reduction of benzodiazepine drug intake in a significant number of patients.[30] Chronic use of hypnotic medications is not recommended due to their adverse effects on health and the risk of dependence. A gradual taper is usual clinical course in getting people off of benzodiazepines but even with gradual reduction a large proportion of people fail to stop taking benzodiazepines. The elderly are particularly sensitive to the adverse effects of hypnotic medications. A clinical trial in elderly people dependent on benzodiazepine hypnotics showed that the addition of CBT to a gradual benzodiazepine reduction program increased the success rate of discontinuing benzodiazepine hypnotic drugs from 38% to 77% and at 12 month follow-up from from 24% to 70%. The paper concluded that CBT is an effective tool for reducing hypnotic use in the elderly and reducing the adverse health effects that are associated with hypnotics such as drug dependence, cognitive impairments and increased road traffic accidents.[31]

A further study in older people with insomnia comparing the hypnotic drug zopiclone against CBT found that CBT actually improved EEG slow wave sleep as well as increased time spent asleep and found that the benefits were maintained at 6 month follow-up. Zopiclone however worsened sleep by suppressing slow wave sleep. A lack of slow wave sleep is linked to impaired functioning and sleepiness. Zopiclone reduced slow wave sleep and was similar to placebo in that it produced no lasting benefits after treatment had finished and at 6 month follow-up whilst CBT did have significant lasting benefits. The authors stated that CBT was superior to zopiclone both in the short term and in the long term.[32] A comparison of CBT and the hypnotic drug zolpidem (Ambien) found similar results with CBT showing superiority and sustained benefits after long term follow up. Interestingly the addition of CBT and zolpidem offered no benefit over CBT alone.[33]

CBT with children and adolescents

The use of CBT has been extended to children and adolescents with good results. It is often used to treat major depressive disorder, anxiety disorders, and symptoms related to trauma and posttraumatic stress disorder. Significant work has been done in this area by Mark Reinecke and his colleagues at Northwestern University in the Clinical Psychology program in Chicago. Paula Barrett and her colleagues have also validated CBT as effective in a group setting for the treatment of youth and child anxiety using the Friends Program she authored. This CBT program has been recognized as best practice for the treatment of anxiety in children by the World Health Organization. CBT has been used with children and adolescents to treat a variety of conditions with good success.[34][35] CBT is also used as a treatment modality for children who have experienced complex posttraumatic stress disorder and chronic maltreatment.[36]

Research

Cognitive behavioral therapy most closely allies with the scientist–practitioner model, in which clinical practice and research is informed by a scientific perspective, clear operationalization of the problem, an emphasis on measurement (and measurable changes in cognition and behavior) and measurable goal-attainment.

Criticism

CBT has recently come under fire from non-CBT therapists who claim that the data do not fully support the extent of attention and funding it receives nor its extension beyond psychotherapy into matters such as reducing unemployment, and that the limitations of the CBT model when used to blanket-address psychological suffering are unrecognised. Psychotherapist and professor at the University of Essex, Andrew Samuels, stated that this constitutes "a coup, a power play by a community that has suddenly found itself on the brink of corralling an enormous amount of money. Science isn't the appropriate perspective from which to look at emotional difficulties. Everyone has been seduced by CBT's apparent cheapness."[37] He considers CBT "a second-class therapy for citizens deemed to be second class."[38]

Research shows that CBT can bring fast improvement to patients, but the same research shows that not all patients improve, those who improve usually still exhibit symptoms, in the long run (2+ years after treatment) CBT effects erode, CBT is not more effective than other forms of psychotherapy.[39]

Leading psychotherapy experts that attended a major conference at the University of East Anglia (UEA) in July 2008, criticized the increased spending on CBT and the widespread belief that CBT is more effective than other forms of psychotherapy.[40] In this conference professors Mick Cooper and Robert Elliott (both at University of Strathclyde), William B Stiles (Miami University) and Art Bohart (Saybrook Graduate School) issued a joint statement, which briefly stated:

  • As more research focuses on CBT, more studies are published on CBT. This reinforces the logical error that CBT is superior and this has a direct negative effect on other forms of therapy, which are well documented but have smaller bodies of research.
  • People who get therapy improve substantially, regardless of the type of therapy they get. When therapies are compared to one another, they usually show to be equally effective.
  • Excessive spending on CBT and discouraging other forms of therapy, hurts the public.

At the same conference,[40] professors Robert Elliott and Beth Freire presented a meta-analysis of more than 80 studies where person-centered psychotherapy(PCTs) showed to be as effective as other forms of psychotherapy, including CBT.[41]

Further reading

  • Bush, J., Vermont Department of Corrections (2002). A Manual for the Delivery of Cognitive Self-Change, Vermont Department of Corrections,
  • Beck, A. (1993). Cognitive Therapy and the Emotional Disorders. NY: Penguin. ISBN 9780452009288
  • Burns, D., (1999). The Feeling Good Handbook. NY: Plume. ISBN 9780452281325
  • Bush, J., Vermont Department of Corrections (2002). A Manual for the Delivery of Cognitive Self-Change, Vermont Department of Corrections,
  • Willson, R., & Branch, R. (2006). Cognitive Behavioural Therapy for Dummies. For Dummies.
  • Dryden, W. (1994). 'Ten Steps to Positive Living'. Sheldon Press
  • Burns, D. (1999). Feeling Good: The New Mood Therapy (Revised Edition). Avon. ISBN 0-380-81033-6
  • Ellis, A. (2001). Overcoming Destructive Beliefs, Feelings, and Behaviors: New Directions for Rational Emotive Behavior Therapy. Prometheus Books. ISBN 978-1573928793
  • French, Abe.(2007). Thinking Matters Facilitator Manual.
  • Tanner, S., & Ball, J. (2001). Beating the Blues: A Self-help Approach to Overcoming Depression. ISBN 0-646-36622-X
  • McCullough, J.P. (2003). Treatment for Chronic Depression: Cognitive Behavioral Analysis System of Psychotherapy (CBASP). Guilford Press. ISBN 1-57230-965-2
  • Albano, M., & Kearney C. (2000). When children refuse school: a cognitive behavioral therapy approach: Therapist guide. Psychological Corporation.
  • Deblinger, E. & Heflin, A. (1996) . Treating sexually abused children and their non-offending parents: a cognitive behavioral approach. Thousand Oaks, CA: Sage Publication.
  • Leahy, R.L. and Holland, S.J. (2000). Treatment Plans and Interventions for Depression and Anxiety Disorders. New York: Guilford
  • Yochelson, S., & Samenow, S. (1976). The Criminal Personality: A profile for change. New York: Aronson.

References

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  2. ^ a b Cooper, Mick (2008). Essential Research Findings in Counselling and Psychotherapy: The Facts are Friendly. SAGE Publications. ISBN 9781847870421.
  3. ^ a b c d e f g h i Rachman, S (1997). "The evolution of cognitive behaviour therapy". In Clark, D, Fairburn, CG & Gelder, MG (ed.). Science and practice of cognitive behaviour therapy. Oxford: Oxford University Press. pp. 1–26. ISBN 0-19-262726-0.{{cite book}}: CS1 maint: multiple names: editors list (link)
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  18. ^ Martinsen EW, Olsen T, Tønset E, Nyland KE, Aarre TF (1998). "Cognitive-behavioral group therapy for panic disorder in the general clinical setting: a naturalistic study with 1-year follow-up". J Clin Psychiatry. 59 (8): 437–42, quiz 443. PMID 9721829. {{cite journal}}: |access-date= requires |url= (help); Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
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  20. ^ Mowrer, OH (1960). Learning theory and behavior. Wiley, New York.
  21. ^ Ost, L G (1989). "One-session treatment for specific phobias". Behaviour Research and Therapy. 27 (1): 1–7. doi:2914000. PMID 2914000. {{cite journal}}: |access-date= requires |url= (help); Check |doi= value (help)
  22. ^ Turk, CL; Heimberg, RG; Hope, DA (2001). "Social Anxiety Disorder". In Barlow, DH (ed.). Clinical Handbook of Psychological Disorders: A step by step manual, 3rd ed. The Guilford Press, New York. pp. 114–153.{{cite book}}: CS1 maint: multiple names: authors list (link)
  23. ^ Clark, David M (2006-06). "Cognitive therapy versus exposure and applied relaxation in social phobia: A randomized controlled trial". Journal of Consulting and Clinical Psychology. 74 (3): 568–578. doi:2006-08433-016. PMID 16822113. {{cite journal}}: |access-date= requires |url= (help); Check |doi= value (help); Check date values in: |date= (help); Unknown parameter |coauthors= ignored (|author= suggested) (help)
  24. ^ Gould, RA (1997). "Cognitive behavioral and pharmacological treatment of generalized anxiety disorder: A preliminary meta-analysis". Behavior Therapy. 28 (2): 285–305. doi:10.1016/S0005-7894(97)80048-2. Retrieved 2008-11-08. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  25. ^ Gosselin P, Ladouceur R, Morin CM, Dugas MJ, Baillargeon L (2006). "Benzodiazepine discontinuation among adults with GAD: A randomized trial of cognitive-behavioral therapy". J Consult Clin Psychol. 74 (5): 908–19. doi:10.1037/0022-006X.74.5.908. PMID 17032095. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  26. ^ a b Neale, John M.; Davison, Gerald C. (2001). Abnormal psychology (8th ed.). New York: John Wiley & Sons. p. 247. ISBN 0-471-31811-6.{{cite book}}: CS1 maint: multiple names: authors list (link)
  27. ^ Keller MB, McCullough JP, Klein DN; et al. (2000). "A comparison of nefazodone, the cognitive behavioral-analysis system of psychotherapy, and their combination for the treatment of chronic depression". New England Journal of Medicine. 342 (20): 1462–1470. doi:10.1056/NEJM200005183422001. PMID 10816183. {{cite journal}}: Explicit use of et al. in: |author= (help); Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  28. ^ "The Depression Report: A New Deal for Depression and Anxiety Disorders". The Centre for Economic Performance's Mental Health Policy Group. 2006-06-19. Retrieved 2006-06-25.
  29. ^ "Practice Guideline for the Treatment of Patients With Major Depressive Disorder, Second Edition". American Psychiatric Association. 2000. doi:10.1176/appi.books.9780890423363.48690. Retrieved 2008-12-01.
  30. ^ Morgan K (2004). "Psychological treatment for insomnia in the regulation of long-term hypnotic drug use" (PDF). Health Technol Assess. 8 (8). National Institute for Health Research: 1–68. PMID 14960254. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help); Unknown parameter |month= ignored (help)
  31. ^ Baillargeon L, Landreville P, Verreault R, Beauchemin JP, Grégoire JP, Morin CM (2003). "Discontinuation of benzodiazepines among older insomniac adults treated with cognitive-behavioural therapy combined with gradual tapering: a randomized trial". CMAJ. 169 (10): 1015–20. PMC 236226. PMID 14609970. {{cite journal}}: Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  32. ^ Sivertsen B, Omvik S, Pallesen S; et al. (2006). "Cognitive behavioral therapy vs zopiclone for treatment of chronic primary insomnia in older adults: a randomized controlled trial". JAMA. 295 (24): 2851–8. doi:10.1001/jama.295.24.2851. PMID 16804151. {{cite journal}}: Explicit use of et al. in: |author= (help); Unknown parameter |month= ignored (help)CS1 maint: multiple names: authors list (link)
  33. ^ KARL E. MILLER, M.D. (2005). "Cognitive Behavior Therapy vs. Pharmacotherapy for Insomnia". American Family Physician. {{cite journal}}: Unknown parameter |month= ignored (help)
  34. ^ Kendall, Philip C. (ed)., ed. (2005-12-05). Child and Adolescent Therapy: Cognitive-Behavioral Procedures (3rd ed.). Guilford Press. ISBN 1-59385-113-8.
  35. ^ Reinecke, Mark A.; Dattilio, Frank M.; Freeman, A. (eds)., ed. (2003-05-02). Cognitive Therapy with Children and Adolescents: A Casebook for Clinical Practice (2nd ed.). Guilford Press. ISBN 1-57230-853-2.{{cite book}}: CS1 maint: multiple names: editors list (link)
  36. ^ Briere, John; Scott, Catherine (eds)., ed. (2006). "Chapter 7, "Cognitive Interventions"". Principles of Trauma Therapy. Sage. pp. 109–119. ISBN 0-7619-2921-5.{{cite book}}: CS1 maint: multiple names: editors list (link)
  37. ^ Jeremy Laurance (2008-12-16). "The Big Question: Can Cognitive Behavioural Therapy help people with eating disorders?". The Independent. Retrieved 2009-01-13.
  38. ^ Andrew Samuels (2007-10-12). "Andrew Samuels letter to the Guardian". The Guardian. Retrieved 2009-02-03.
  39. ^ Cognitive Behavioral Therapy (CBT) Efficacy: Fact or Fiction? Retrieved on 2009-4-18
  40. ^ a b CBT superiority questioned at conference Retrieved on 2009-4-18
  41. ^ Robert Elliott & Beth Freire. Person-Centred Experiential Therapies Are Highly Effective: Summary of the 2008 Meta-analysis. Retrieved 2009-05-01.
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