415 posts · 642,615 views
This is the personal blog of a Dutch psychiatrist working in a University hospital. His specialty in psychiatry is the treatment of depression. This explains his interest in electroconvulsive therapy and the development of new forms of neurostimulation for the treatment of depression. He is also involved in medical education. He does research in the treatment and neuroscience of depression. He mostly writes about these topics on this blog for fun and to keep up with recent developments. Besides writing about his work he also writes about other subjects that (neuro)stimulates him such as chocolate, computer gaming, gadgets, and Internet. The postings are based on what I want to write about and what I feel will be interesting to read.
Dr Shock MD PhD
415 posts
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- October 20, 2009
- 03:06 AM
- 1,687 views
New Kind of Brain Stimulation for Treatment Resistant Depression
by Dr Shock in Dr Shock MD PhD
In a recent online publication about another form of brain stimulation in treatment resistant depression showed promising results. The electrodes are placed on the brain instead of in the brain as with Deep Brain Stimulation (DBS):
A new neurosurgical procedure may prove helpful for patients with treatment-resistant depression. Bilateral epidural prefrontal cortical stimulation (EpCS) was found [...]
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Nahas, Z., Anderson, B., Borckardt, J., Arana, A., George, M., Reeves, S., & Takacs, I. (2009) Bilateral Epidural Prefrontal Cortical Stimulation for Treatment-Resistant Depression. Biological Psychiatry. DOI: 10.1016/j.biopsych.2009.08.021
- October 15, 2009
- 04:35 AM
- 2,272 views
Why Blog? 2
by Dr Shock in Dr Shock MD PhD
Surveys indicate
a growth of nearly 9 million Americans creating blogs between 2004 and 2005, a shift from 1.1 million to 10 million bloggers.
In 2006, 39% of all U.S. Internet users were accessing blogs.
More than 70% of blogs were classified as personal journals, recording the individuals’ daily life events, thoughts, and feelings.
Bloggers present accurate portrayals [...]
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Fullwood, C., Sheehan, N., & Nicholls, W. (2009) Blog Function Revisited: A Content Analysis of MySpace Blogs. CyberPsychology , 2147483647. DOI: 10.1089/cpb.2009.0138
- October 13, 2009
- 02:51 AM
- 2,418 views
Why Women Drop Maths
by Dr Shock in Dr Shock MD PhD
Not only in the medical academic workforce are women underrepresented this also counts for science in general.
Women earned 31.3% of chemistry PhD degrees between 1993 and 2003 but in 2002 were hired for only 21.5% of assistant professorships. Similar disparities exist for new faculty appointments in physics, engineering, and mathematics.
As far as mathematics are concerned [...]
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Burkley, M., Parker, J., Paul Stermer, S., & Burkley, E. (2009) Trait beliefs that make women vulnerable to math disengagement. Personality and Individual Differences. DOI: 10.1016/j.paid.2009.09.002
Ceci, S., Williams, W., & Barnett, S. (2009) Women's underrepresentation in science: Sociocultural and biological considerations. Psychological Bulletin, 135(2), 218-261. DOI: 10.1037/a0014412
- October 12, 2009
- 01:55 AM
- 1,567 views
When to check your e-mail?
by Dr Shock in Dr Shock MD PhD
E-mail is an inexpensive, efficient and fast way of communication. It can enhance communication between departments and communication across continents. Nevertheless a lot of posts and especially blogs write about email overload: Lifehacker.com, Email Overloaded, Harvard Business School.
They advice you to check your email at certain time points in the day, usually twice a day [...]
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Jackson, T. (2003) Reducing the effect of email interruptions on employees. International Journal of Information Management, 23(1), 55-65. DOI: 10.1016/S0268-4012(02)00068-3
Mano, R., & Mesch, G. (2009) E-mail characteristics, work performance and distress. Computers in Human Behavior. DOI: 10.1016/j.chb.2009.08.005
Baker, J., & Phillips, J. (2007) E-mail, Decisional Styles, and Rest Breaks. CyberPsychology , 10(5), 705-708. DOI: 10.1089/cpb.2007.9966
- October 8, 2009
- 02:47 AM
- 2,418 views
E-Mail A Blessing Or A Burden?
by Dr Shock in Dr Shock MD PhD
From recent research based on secondary analysis of data obtained from telephone interviews from a sample of 1003 email users the answer is not conclusive.
e-mail supports work performance, but at the same time contributes to negative effects that in the long run may affect motivation and satisfaction
In this research in which they also looked at [...]
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Mano, R., & Mesch, G. (2009) E-mail characteristics, work performance and distress. Computers in Human Behavior. DOI: 10.1016/j.chb.2009.08.005
- October 6, 2009
- 02:41 AM
- 1,072 views
Why Blog?
by Dr Shock in Dr Shock MD PhD
Why blog?
Certainly a small part of the fun is hoping for admiration and affirmation. I check my blog stats and google analytics regularly and a peak in readers certainly is another boost for writing more posts. Eventually you get to “know” your colleague bloggers, and human contact grows. The most important reason for me to [...]
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Yu, T., Lu, L., & Liu, T. (2009) Exploring factors that influence knowledge sharing behavior via weblogs. Computers in Human Behavior. DOI: 10.1016/j.chb.2009.08.002
- October 1, 2009
- 02:11 AM
- 1,122 views
It’s Not The Video Game It’s The Player That’s The Problem
by Dr Shock in Dr Shock MD PhD
Those video game players with more autonomy, competence and relatedness, thus who feel free to be themselves, and usually feel capable and have closeness and intimacy with others, often play video games because they like to. Those low on these traits often become obsessive game players, they have to play a video game. Moreover the [...]
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Przybylski, A., Weinstein, N., Ryan, R., & Rigby, C. (2009) Having to versus Wanting to Play: Background and Consequences of Harmonious versus Obsessive Engagement in Video Games. CyberPsychology , 2147483647. DOI: 10.1089/cpb.2009.0083
- September 29, 2009
- 02:35 AM
- 1,670 views
Brain Training for Elderly Better On Paper or Computer?
by Dr Shock in Dr Shock MD PhD
As always the answer to this question is not simple. From recent research it’s concluded that brain training games on paper are more effective and efficient than on computer consoles (Nintendo DS, in this research). Meaning that the task completion time was shorter on paper and the error rate was lower on paper.
However the [...]
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Nacke, L., Nacke, A., & Lindley, C. (2009) Brain Training for Silver Gamers: Effects of Age and Game Form on Effectiveness, Efficiency, Self-Assessment, and Gameplay Experience. CyberPsychology , 2147483647. DOI: 10.1089/cpb.2009.0013
- September 28, 2009
- 02:20 AM
- 1,211 views
SMS as Appointment Reminder Effectively Reduces Nonattendance
by Dr Shock in Dr Shock MD PhD
From recent research it’s concluded that sending an automated short message service (SMS) message 24 hours before the appointment to patient’s cell phones reduces nonattendance rates.
Another effective strategy to reduce nonattendance rates next to phone calls or letters as appointment reminders. But these require more time and money compared to automatic sent SMS messages. [...]
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da Costa, T., Salomão, P., Martha, A., Pisa, I., & Sigulem, D. (2009) The impact of short message service text messages sent as appointment reminders to patients’ cell phones at outpatient clinics in São Paulo, Brazil. International Journal of Medical Informatics. DOI: 10.1016/j.ijmedinf.2009.09.001
- September 24, 2009
- 02:05 AM
- 1,866 views
Unprofessional Online Content By Medical Students
by Dr Shock in Dr Shock MD PhD
60% of Medical Schools in the US participated in an anonymous electronic survey to assess online posting of unprofessional content by medical students.
Of these schools 60% (47/78) reported incidents of students posting unprofessional online content.
Sexual-Relational Content. Provocative photographs of students, requesting inappropriate friendships with patients on Facebook
Negative comments on specific medical schools using profanity or [...]
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Chretien, K., Greysen, S., Chretien, J., & Kind, T. (2009) Online Posting of Unprofessional Content by Medical Students. JAMA: The Journal of the American Medical Association, 302(12), 1309-1315. DOI: 10.1001/jama.2009.1387
- September 23, 2009
- 02:44 AM
- 2,127 views
Prevention of Winter Depression
by Dr Shock in Dr Shock MD PhD
Seasonal Affective Disorder (SAD) or Winter Depression can be succesfully treated with bright light therapy. Across studies, 53% of cases of SAD remit with bright light therapy. This involves sitting in front of full-spectrum lights that mimic sunlight on a regular basis — typically for about 30 minutes to 60 minutes each morning. Sometimes one [...]
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Rohan, K., Roecklein, K., Lacy, T., & Vacek, P. (2009) Winter Depression Recurrence One Year After Cognitive-Behavioral Therapy, Light Therapy, or Combination Treatment. Behavior Therapy, 40(3), 225-238. DOI: 10.1016/j.beth.2008.06.004
- September 21, 2009
- 02:41 AM
- 2,243 views
Is 360-degree feedback for doctors usefull or not?
by Dr Shock in Dr Shock MD PhD
During residency new doctors are faced with several assessments. The 360-degree feedback is just one of them.
It involves the evaluation of performance on various tasks by, firstly, peers with knowledge of a similar scope of practice, secondly, co-workers from allied health professions and, thirdly, patients. Or: ‘letting future behaviour be guided by a systematic [...]
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Overeem, K., Wollersheim, H., Driessen, E., Lombarts, K., van de Ven, G., Grol, R., & Arah, O. (2009) Doctors’ perceptions of why 360-degree feedback does (not) work: a qualitative study. Medical Education, 43(9), 874-882. DOI: 10.1111/j.1365-2923.2009.03439.x
- September 17, 2009
- 02:24 AM
- 1,698 views
Entrepreneur Feeling Good? Make Plans For The Future
by Dr Shock in Dr Shock MD PhD
An entrepreneur is someone is a person who has possession of an enterprise, or venture, and assumes significant accountability for the inherent risks and the outcome. It is an ambitious leader who combines land, labor, and capital to often create and market new goods or services. An entrepreneur is also someone who wants to be [...]
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Foo, M., Uy, M., & Baron, R. (2009) How do feelings influence effort? An empirical study of entrepreneurs’ affect and venture effort. Journal of Applied Psychology, 94(4), 1086-1094. DOI: 10.1037/a0015599
- September 15, 2009
- 02:01 AM
- 1,484 views
Chocolate Saves Your Teeth
by Dr Shock in Dr Shock MD PhD
Really, the polyphenolen in cocoa inhibit the growth of bacteria responsible for the creation of plaques. Polyphenolen from cocao significantly reduce biofilm formation and acid production by these bacteria. The acid production from sucrose was significantly inhibited resulting in a reduction of localized demineralization. . Be aware that chocolate not only contains cacao but also [...]... Read more »
Ferrazzano, G., Amato, I., Ingenito, A., De Natale, A., & Pollio, A. (2009) Anti-cariogenic effects of polyphenols from plant stimulant beverages (cocoa, coffee, tea). Fitoterapia, 80(5), 255-262. DOI: 10.1016/j.fitote.2009.04.006
- September 8, 2009
- 02:31 AM
- 1,250 views
Empathy during Medical Education
by Dr Shock in Dr Shock MD PhD
There is a significant decline in empathy occurs during the third year of medical school. This decline occurs during a time when the curriculum is shifting toward patient-care activities.
There is a significant decline in empathy during third year of medical school, regardless of gender or specialty interest.
Every year women scored significantly higher than men.This seems [...]... Read more »
Hojat, M., Vergare, M., Maxwell, K., Brainard, G., Herrine, S., Isenberg, G., Veloski, J., & Gonnella, J. (2009) The Devil is in the Third Year: A Longitudinal Study of Erosion of Empathy in Medical School. Academic Medicine, 84(9), 1182-1191. DOI: 10.1097/ACM.0b013e3181b17e55
Spiro, H. (2009) Commentary: The Practice of Empathy. Academic Medicine, 84(9), 1177-1179. DOI: 10.1097/ACM.0b013e3181b18934
Crandall, S., & Marion, G. (2009) Commentary: Identifying Attitudes Towards Empathy: An Essential Feature of Professionalism. Academic Medicine, 84(9), 1174-1176. DOI: 10.1097/ACM.0b013e3181b17b11
- September 7, 2009
- 02:59 AM
- 1,384 views
Did Salvador Dali suffer from Mental Illness?
by Dr Shock in Dr Shock MD PhD
Based on two psychiatric assessment procedures, a computer program investigating the presence of a psychotic disorder and a personality questionnaire, Salvador Dali was found to have a personality disorder for DSM Cluster A and B. He was also found to meet the diagnostic criteria for psychotic illnesses.
You can’t diagnose psychiatric illness without doing a face [...]... Read more »
Murphy, C. (2009) The link between artistic creativity and psychopathology: Salvador Dalí. Personality and Individual Differences, 46(8), 765-774. DOI: 10.1016/j.paid.2009.01.020
- September 4, 2009
- 03:09 AM
- 2,006 views
Chocolate lowers cardiac mortality after first acute myocardial infarction
by Dr Shock in Dr Shock MD PhD
Chocolate consumption was associated with lower cardiac mortality in a dose dependent manner in patients free of diabetes surviving their first Acute Myocardial Infarction. In contrast, intake of other sweets was not associated with cardiac or total mortality.
Now be aware that Dr Shock is extremely biased when it comes to chocolate but this conclusion is [...]... Read more »
Janszky, I., Mukamal, K., Ljung, R., Ahnve, S., Ahlbom, A., & Hallqvist, J. (2009) Chocolate consumption and mortality following a first acute myocardial infarction: the Stockholm Heart Epidemiology Program. Journal of Internal Medicine, 266(3), 248-257. DOI: 10.1111/j.1365-2796.2009.02088.x
- August 27, 2009
- 03:14 AM
- 1,655 views
Diagnosing Depression in Primary Care Good Or Bad?
by Dr Shock in Dr Shock MD PhD
“In general, a motivated GP in an urban setting (where the rate of depression is 20%) would correctly diagnose ten out of 20 cases, missing ten true positives. The GP would correctly reassure 65 out of 80 non-depressed individuals, falsely diagnosing 15 people as depressed”?
Now is this a bad thing? I don’t think so.
The [...]... Read more »
Tyrer, P. (2009) Are general practitioners really unable to diagnose depression?. The Lancet. DOI: 10.1016/S0140-6736(09)61156-9
Mitchell, A., Vaze, A., & Rao, S. (2009) Clinical diagnosis of depression in primary care: a meta-analysis. The Lancet. DOI: 10.1016/S0140-6736(09)60879-5
- August 20, 2009
- 02:51 AM
- 1,299 views
Computer Use by Doctors
by Dr Shock in Dr Shock MD PhD
Now which device would you use where, for what and when. A tablet PC in the ward, a tablet PC, a computer on wheels (COW) or an ergonomic computer on wheels (COW)?
The doctors made the following choices:
On ward rounds, the majority of tasks (57.3%) were completed using a generic COW, while 35.9% were completed [...]... Read more »
Andersen P, Lindgaard AM, Prgomet M, Creswick N, & Westbrook JI. (2009) Mobile and fixed computer use by doctors and nurses on hospital wards: multi-method study on the relationships between clinician role, clinical task, and device choice. Journal of medical Internet research, 11(3). PMID: 19674959
- August 14, 2009
- 02:45 AM
- 2,284 views
Chocolate Consumption Increased in Parkinson’s Disease
by Dr Shock in Dr Shock MD PhD
Chocolate is not an antidepressant. Interaction between chocolate and neurotransmitter systems in the brain, such as serotonin, that contribute to appetite, reward and mood regulation were studied but no antidepressant mechanism of chocolate was found.
Most possible psychoactive substances in chocolate are metabolized in the blood by an enzyme (monoamineoxydase A), these substances are unable to [...]... Read more »
Wolz, M., Kaminsky, A., Löhle, M., Koch, R., Storch, A., & Reichmann, H. (2009) Chocolate consumption is increased in Parkinson’s disease. Journal of Neurology, 256(3), 488-492. DOI: 10.1007/s00415-009-0118-9
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