Practice Location

5050 NE HOYT ST
PORTLAND, OR 97213-2983

Phone: (503) 232-7000

What does MARK SELIGMAN research?

Dr. Seligman's research primarily examines how to provide better healthcare for nonbinary and genderqueer youth. He highlights their unique experiences and the gaps in care they face when seeking hormone therapy and other gender-affirming treatments. Additionally, he explores the intersection of psychological science and medical practice, particularly in how physicians can change their behaviors to improve patient care following educational programs. His work often focuses on chronic diseases and innovative treatment strategies that cater to underserved patient groups, including those with HIV and cancer.

Key findings

  • In his recent study on nonbinary youth, Dr. Seligman found that 66% requested hormone therapy at their latest visit, up from 48% at their first visit, illustrating a growing demand for gender-affirming treatments.
  • In a controlled trial on medical practice changes, 91% of doctors who made immediate commitments after workshops reported changing their practices, compared to only 32% who committed a week later.
  • For HIV vaccine design, researchers demonstrated new components could capture 62% and 82% of the genetic variations of key proteins, suggesting better protection across strains.
  • Among esophageal cancer patients treated with a specialized chemoradiotherapy, 61.1% showed some level of response, with a 30% overall survival rate at three years.
  • In a study on substance-dependent patients, video techniques helped 62% of participants maintain engagement in a six-month treatment program.

Frequently asked questions

Does Dr. Seligman study the treatment of nonbinary youth?
Yes, Dr. Seligman researches the healthcare needs and treatment gaps for nonbinary and genderqueer youth.
What are the implications of Dr. Seligman's work for HIV patients?
His research on HIV vaccine design aims to improve vaccine efficacy against various strains of the virus, offering hope for better prevention.
How does Dr. Seligman's research impact cancer treatment?
His studies on chemoradiotherapy and innovative vaccines explore new treatment options for patients with esophageal and breast cancers.
Are there findings from Dr. Seligman that help families of children with disabilities?
Yes, his studies on sibling adaptation highlight the emotional needs of brothers and sisters of children with chronic illnesses, guiding support for families.
What advancements in AI does Dr. Seligman explore?
He investigates how AI, like chatbots, can be trained to understand and respond to emotional cues, improving user interactions.

Publications in plain English

Risk and prosocial behavioural cues elicit human-like response patterns from AI chatbots.

2024

Scientific reports

Zhao Y, Huang Z, Seligman M, Peng K

Plain English
This study examined how AI chatbots, specifically different versions of ChatGPT, react to emotional cues like happiness or sadness when making choices about risk and generosity. The researchers found that the latest version, ChatGPT-4, showed clearer differences in its responses compared to the earlier version, ChatGPT-3.5, when influenced by emotional prompts. This is important because it shows that as AI technology advances, it can be guided to respond more thoughtfully in situations that require emotional understanding. Who this helps: This benefits developers of AI technology and businesses using chatbots for customer interactions.

PubMed

Pediatric Gender Diversity Beyond the Binary: An Exploration of Gender-Affirming Care for Nonbinary and Genderqueer Youth Seen Over Time at a Single Institution Gender Center.

2024

Transgender health

Mellin CS, Braun M, Walch A, Cohen JR, Kaufman M +4 more

Plain English
This study looked at how nonbinary and genderqueer youth seek gender-affirming care over time at a gender center in California. Researchers reviewed the medical records of 116 young patients from 2009 to 2020 and found that these individuals identified with 48 unique genders. Interest in treatment increased; for example, 66% wanted hormone therapy at their latest visit, up from 48% at their first visit. However, many who wanted treatment did not receive it, indicating that personalized and accessible care is crucial. Who this helps: This research benefits nonbinary and genderqueer youth by highlighting their unique needs and care gaps.

PubMed

Memories of Jack.

2023

Journal of behavior therapy and experimental psychiatry

Seligman M

PubMed

The Hoffman report, the Central Intelligence Agency, and the defense of the nation: A personal view.

2018

Health psychology open

Seligman M

Plain English
In 2002, a researcher was approached by the CIA to discuss how the concept of learned helplessness might help American captives deal with torture. Later, two individuals used this concept to create a controversial interrogation program, although the researcher had no involvement in that program and was upset that useful research had been misused in such a way. This situation highlights the potential misapplication of psychological research and the importance of protecting research integrity in national defense. Who this helps: This helps psychologists and researchers who work in defense and rehabilitation.

PubMed

The impact on medical practice of commitments to change following CME lectures: a randomized controlled trial.

2011

Medical teacher

Domino FJ, Chopra S, Seligman M, Sullivan K, Quirk ME

Plain English
This study looked at how making commitments to change after medical lectures affects how doctors actually change their practices. The researchers found that 91% of doctors who made commitments within a day of the lecture reported changes in their practices, compared to only 32% who made commitments a week later, showing that timing matters. These findings are important because they suggest that encouraging doctors to commit to specific changes immediately after training can lead to meaningful improvements in patient care. Who this helps: This helps doctors improve their medical practices and ultimately benefits their patients.

PubMed

The gputools package enables GPU computing in R.

2010

Bioinformatics (Oxford, England)

Buckner J, Wilson J, Seligman M, Athey B, Watson S +1 more

Plain English
This study focused on improving data analysis in the R programming language by using graphics processing units (GPUs), which are cheaper and faster than traditional computing methods. The researchers created a tool called the gputools package that allows R users to run complex analyses, particularly for gene expression data, much quicker. This is significant because it helps researchers save time and resources while working with large datasets. Who this helps: This benefits researchers and scientists who analyze genetic data.

PubMed

Coping with viral diversity in HIV vaccine design.

2007

PLoS computational biology

Nickle DC, Rolland M, Jensen MA, Pond SL, Deng W +4 more

Plain English
This study looked at how to create a more effective HIV vaccine by tackling the virus's ability to change and adapt. Researchers developed new vaccine components that could represent a large portion of the different variations of the virus—catching 62% of the changes in one key protein and 82% in another. This is important because it could lead to a vaccine that offers better protection against many strains of HIV, including those that might be resistant to current treatments. Who this helps: This benefits patients at risk for HIV and healthcare providers working on prevention and treatment.

PubMed

Selective dose escalation of chemoradiotherapy for esophageal cancer: role of treatment intensification.

2004

Seminars in oncology

Seung SK, Smith JW, Molendyk J, Bader SB, Phillips M +7 more

Plain English
This study looked at how a specific combination of chemotherapy and radiation therapy could improve outcomes for patients with localized esophageal cancer. Out of 18 patients treated, 61.1% showed some level of response to the treatment, and overall survival rates were 30% at three years, with some patients surviving longer based on their weight loss before treatment. This is important because it offers a potential treatment option for esophageal cancer patients who may not respond well to standard therapies. Who this helps: This helps patients with localized esophageal cancer and their doctors in choosing treatment plans.

PubMed

Vaccination of women with metastatic breast cancer, using a costimulatory gene (CD80)-modified, HLA-A2-matched, allogeneic, breast cancer cell line: clinical and immunological results.

2003

Human gene therapy

Dols A, Smith JW, Meijer SL, Fox BA, Hu HM +9 more

Plain English
This study looked at a new vaccine made from genetically modified breast cancer cells, given to 30 women with advanced breast cancer. The results showed that while the vaccine was safe and some patients had their disease stabilize, no significant shrinkage of the tumors was noted; specifically, only four patients had longer-lasting disease stabilization, and immune responses were seen in a few cases. This research is important because it explores a new way to activate the immune system against cancer, even if the overall success in reducing tumors was limited. Who this helps: This helps patients with advanced breast cancer seeking new treatment options.

PubMed

[Deficiency of the CD3-TCR signal pathway in three patients with idiopathic CD4+ lymphocytopenia].

1999

Journal de la Societe de biologie

Hubert P, Bergeron F, Grenot P, Seligman M, Krivitzky A +2 more

Plain English
This study looked at three patients with a rare immune disorder called idiopathic CD4+ lymphocytopenia (ICL), where they had a low number of a type of immune cell called CD4+ T cells, leading to frequent infections. The researchers found that all three patients had trouble with their immune cells responding to signals that usually trigger their activation, showing significant reductions in their immune responses. Specifically, two patients showed problems with early steps in the signaling pathway that helps T cells activate, indicating that their immune issues were linked to these underlying biochemical defects. Who this helps: This research helps patients with ICL by identifying potential causes of their immune problems.

PubMed

Sequential parenteral and oral ciprofloxacin regimen versus parenteral therapy for bacteremia: a pharmacoeconomic analysis.

1996

The Annals of pharmacotherapy

Amodio-Groton M, Madu A, Madu CN, Briceland LL, Seligman M +2 more

Plain English
This study looked at two ways to treat patients with a type of serious blood infection called gram-negative bacteremia. One group received an initial IV antibiotic treatment followed by oral ciprofloxacin, while another group continued with IV treatment only. The first method led to shorter hospital stays (about 9.8 days versus 15.7 days) and reduced treatment costs by up to $78,000, while being just as effective and safe as the second method. Who this helps: This benefits patients with gram-negative bacteremia and healthcare providers looking for cost-effective treatment options.

PubMed

Video techniques with chemically-dependent patients.

1996

Substance use & misuse

Seligman M, Foote J, Magura S, Handelsman L, Rosenblum A +2 more

Plain English
This study looked at how using videotaping can help patients addicted to substances, particularly those being treated with methadone for cocaine use. The researchers found that using videos in therapy sessions helped 62% of these patients stick with a tough six-month treatment program, making them feel more engaged and improving their self-esteem. This matters because it shows a new way to connect with and support patients who often struggle to participate in traditional therapies. Who this helps: This helps patients with substance dependence and their doctors.

PubMed

An enhanced positive reinforcement model for the severely impaired cocaine abuser.

1994

Journal of substance abuse treatment

Foote J, Seligman M, Magura S, Handelsman L, Rosenblum A +3 more

Plain English
This study examined a new treatment method for people in urban areas who struggle with severe cocaine addiction while receiving methadone. The researchers found that 63% of participants completed a 6-month program that relied on positive reinforcement, leading to reduced cocaine use and improved drug injection behavior. This matters because it shows a tailored approach can effectively engage and retain hard-to-reach patients in treatment. Who this helps: This helps patients with severe cocaine addictions and their healthcare providers.

PubMed

A comparison of stress and coping by fathers of adolescents with mental retardation and fathers of adolescents without mental retardation.

1991

Research in developmental disabilities

Houser R, Seligman M

Plain English
This study looked at the stress levels and coping methods of fathers who have teenagers with intellectual disabilities compared to fathers who have typical teenagers. The research included 40 fathers of adolescents with intellectual disabilities and 31 fathers of those without, revealing that fathers in the first group generally experienced higher stress levels. Understanding these differences is important because it can guide support for fathers who are facing additional challenges. Who this helps: This helps fathers of adolescents with intellectual disabilities and those who support them.

PubMed

Cross-resistance of an amsacrine-resistant human leukemia line to topoisomerase II reactive DNA intercalating agents. Evidence for two topoisomerase II directed drug actions.

1991

Biochemistry

Zwelling LA, Mayes J, Hinds M, Chan D, Altschuler E +5 more

Plain English
This study looked at a type of human leukemia cell that is resistant to a drug called amsacrine and found that this resistance also applies to other similar drugs. The resistant cells were 50-100 times harder to kill than the original drug-sensitive cells when exposed to amsacrine and showed similar resistance to other drugs like mitoxantrone and amonafide, while being more vulnerable to a different type of drug called etoposide. Understanding these resistance patterns is important because it helps doctors know which medications might not work for certain leukemia patients, allowing them to choose more effective treatments. Who this helps: This helps patients with leukemia who may not respond to standard treatments.

PubMed

Comment: nimodipine in treatment of subarachnoid hemorrhage.

1989

DICP : the annals of pharmacotherapy

Seligman M

PubMed

Adaptation of children to a chronically ill or mentally handicapped sibling.

1987

CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne

Seligman M

Plain English
This study looked at how having a sick or mentally challenged sibling affects their brothers and sisters. It found that many siblings feel a range of negative emotions like anger, guilt, and shame, and these feelings can lead to serious emotional struggles. It's important for doctors to recognize these issues and help both the siblings and the family by providing information and support. Who this helps: This helps siblings of chronically ill or mentally handicapped children and their families.

PubMed

Ranitidine in cimetidine-resistant ulcers.

1983

Drug intelligence & clinical pharmacy

Seligman M, Schneiweiss F

PubMed

Interactions of immunoglobulins with liposomes: an ESR and diffusion study demonstrating protection by hydrocortisone.

1978

Biochemical and biophysical research communications

Schieren H, Weissmann G, Seligman M, Coleman P

PubMed

The theory of helplessness. Comment on Rippere's review.

1977

Behaviour research and therapy

Seligman M

PubMed

Chemotherapy of metastatic gastrointestinal neoplasms with 5-fluorouracil and streptozotocin.

1977

Cancer treatment reports

Seligman M, Bukowski RM, Groppe CW, Weick JK, Hewlett JS +1 more

PubMed

Role of ecdysone, pupariation factors, and cyclic AMP in formation and tanning of the puparium of the fleshfly Sarcophaga bullata.

1977

Proceedings of the National Academy of Sciences of the United States of America

Seligman M, Blechl A, Blechl J, Herman P, Fraenkel G

Plain English
Researchers studied how certain factors and hormones affect the tanning process of the puparium (a protective casing) in the fleshfly, Sarcophaga bullata. They found that two important factors, ARF and PTF, are missing when tanning is accelerated, and that tanning can be blocked by specific inhibitors that affect protein-making processes. This understanding helps clarify the role of these factors in tanning, which is essential for the development of the larvae into adult flies. Who this helps: This research benefits scientists studying insect development and anyone interested in pest control strategies.

PubMed

Mineralization of elastin extracted from human aortic tissues.

1975

Calcified tissue research

Seligman M, Eilberg RF, Fishman L

Plain English
This study looked at elastin, a protein found in blood vessel tissues, taken from people's aortas (the main artery) aged 18 to 67. Researchers found that older aortas showed a faster process of mineralization of elastin, with samples from people over 40 mineralizing much quicker—indicating that age affects how elastin behaves in our bodies. Understanding these changes is important because they may impact how blood vessels function and could inform treatments for age-related vascular diseases. Who this helps: This helps doctors and researchers understanding cardiovascular health in older patients.

PubMed

The leaderless group phenomenon: a historical perspective.

1975

International journal of group psychotherapy

Seligman M, Desmond R

PubMed

The use of the Morris splint in mandibular fractures.

1973

Transactions of the International Conference on Oral Surgery

Seligman M

PubMed

Correction of dento-alveolar deformity by anterior alveolar osteotomy. A case report.

1973

Bulletin / Monmouth-Ocean County Dental Society

Gold R, Sager E, Seligman M

PubMed

[A new erythroenzymopathy: congenital non-spherocytic hemolytic anemia and hereditary erythrocytic adenylate kinase deficiency].

1971

La Presse medicale

Boivin P, Galand C, Hakim J, Simony D, Seligman M

PubMed

Heavy-light chain disulphide bridge common to A1 and a genetic variant of A2 immunoglobulins.

1971

Nature: New biology

Mihaescon E, Seligman M, Frangione B

PubMed

[Congenital deficiency erythrocyte adenylate-kinase].

1970

La Presse medicale

Boivin P, Galand C, Hakim J, Simony D, Seligman M

PubMed

Bursicon mediation of tyrosine hydroxylation during tanning of the adult cuticle of the fly, Sarcophaga bullata.

1969

Journal of insect physiology

Seligman M, Friedman S, Fraenkel G

PubMed

Hormonal control of turnover of tyrosine and tyrosine phosphate during tanning of the adult cuticle in the fly, Sarcophaga bullata.

1969

Journal of insect physiology

Seligman M, Friedman S, Fraenkel G

PubMed

[Hereditary chronic reticulosis in hepatosplenoadenomegalic form].

1968

Pediatrie

Polonovski C, Seligman M, Zittoun R, Navarro J, Saada R

PubMed

Properties of bursicon: an insect protein hormone that controls cuticular tanning.

1966

Science (New York, N.Y.)

Fraenkel G, Hsiao C, Seligman M

Plain English
This study focused on a protein hormone called bursicon found in insects, especially in flies and roaches. Researchers discovered that bursicon has a molecular weight of about 40,000 and behaves differently in various parts of the insect's body, indicating its role in processes like cuticle tanning. Understanding how bursicon works is important because it could lead to better pest control methods. Who this helps: This helps pest control professionals and researchers studying insect biology.

PubMed

Osteoma of the external auditory canal; case report.

1956

The Laryngoscope

SELIGMAN E, SELIGMAN M

PubMed

Frequent Co-Authors

G Fraenkel John W Smith J Foote S Magura L Handelsman A Rosenblum M Lovejoy B Stimmel P Boivin C Galand

Physician data sourced from the NPPES NPI Registry . Publication data from PubMed . Plain-English summaries generated by AI. Not medical advice.