Chronic smokers have altered emotional reactions when exposed to negative and positive images associated with tobacco. They are more aroused by positive images and affected by aversive non-smoking related images than by images of specific negative consequences.
Researchers at the University of Montreal have identified potential markers for dementia in Parkinson's disease patients with mild cognitive impairments. These markers include thinning in certain cortical areas and subcortical atrophy in grey matter, which may serve as a warning sign for developing dementia.
In the Central African Republic, stock-outs of antiretroviral drugs have led to mistrust among patients and reduced treatment adherence. The country's HIV-infected population of over 220,000 faces significant challenges in accessing life-saving medication.
A team of researchers at the University of Montreal has discovered a promising new approach to treating leukemia by targeting the Brg1 gene. The study found that removing or inhibiting this gene can permanently shut down cancerous cell growth and division.
A University of Montreal study analyzed 10,000 dream narratives to compare nightmares and bad dreams, finding that nightmares have greater emotional impact than bad dreams and often feature themes such as fear, sadness, guilt, or disgust. The researchers also found that women's nightmares more frequently involve interpersonal conflicts.
A new study published in Psychological Medicine found that toddlers' physical aggression is strongly associated with genetic factors, accounting for most of the stability and change. The study used a twin cohort design to investigate the role of genetics and environment in early childhood aggression, finding support for the genetic mat...
Researchers found that adding dance exercises to a physiotherapy program improved urine leakage, increased participation rates, and provided more functional pelvic floor muscle exercises. The study opens the door to a randomized clinical trial for treating urinary incontinence with virtual reality and dance.
Researchers have developed a DNA clamp that can detect genetic mutations in cancer with greater efficiency than current methods, paving the way for rapid screening and new nanotechnology tools. The technology uses triple helices to improve specificity and has potential applications in diagnostic tests and DNA-based nanostructures.
A study analyzing 5.4 million peer-reviewed articles found that women are significantly under-represented in authorship and citations, with men dominating fields like engineering and computer science. Regional and disciplinary differences were also observed, highlighting the need to address gender disparities in science research.
Researchers from UdeM and the Institut universitaire en sante mentale de Montreal propose optimizing antipsychotic treatment for schizophrenia patients by personalizing medication dosage and absorption, which can lead to improved efficacy.
A recent study analyzed 1.4 million peer-reviewed articles on Twitter and found that high tweet counts do not necessarily correlate with high citation rates. Many articles from prestigious journals like PNAS and Science received significant mentions, but quality control is lacking in social networks.
A new method to detect and identify molecules has been discovered by Richard Martel's team, enabling the use of optical scanners to pinpoint particles. The technique uses nanoprobes composed of dye molecules aligned inside carbon nanotubes, which amplify Raman signals up to a million times stronger than other molecules.
New research suggests that 55% of bilateral adrenal Cushing's syndrome patients have genetic mutations predisposing to adrenal tumors. Genetic screening may help identify affected family members, potentially preventing disease progression and eliminating current treatment practices.
A recent study published in Clinical Infectious Diseases suggests that even those with low viral loads are at risk of treatment failure. Patients with persistent viral loads between 50-999 copies/mL have a significantly higher risk of virologic failure, which can lead to disease progression.
A study by University of Montreal researcher Maryse Bouchard found a significant association between PCB levels and cognitive abilities among individuals aged 70-84 years. Higher exposure to PCBs in older age groups led to greater diminution in cognition, particularly in women.
A study by University of Montreal researchers found that asparagine, an amino acid in food, is crucial for normal brain development. The lack of this nutrient affects the proliferation and survival of cells during brain development.
Researchers found that in regions with limited economic opportunities, stepparents were more likely to neglect their stepchildren, while in areas with greater resources, they treated all children equally. The 'Cinderella effect' is not inevitable, and parental care depends on factors beyond biological relationships.
Researchers developed a tailored pre-transplant therapy approach that significantly improves survival rates for children with Chronic Granulomatous Disease, a rare immune deficiency. The treatment results in a 93% survival rate with minimal adverse reactions, offering new hope for patients.
Research at the University of Montreal found that even 20 minutes of moderate exercise three times a week during pregnancy enhances brain activity in newborns. The study suggests that this early stimulation can lead to improved cognitive and motor development in children.
SPIRou, a near-infrared spectropolarimeter and high-precision velocimeter, will detect habitable Earth twins orbiting nearby red dwarf stars and study the formation of Sun-like stars and their planets. The instrument's advanced technology will reveal the existence of liquid water on planetary surfaces.
Researchers at the University of Montreal discovered that even completely blind people can detect light through a novel photoreceptor in the retina, allowing their brains to 'see' and respond to environmental changes. This study found that light enhances brain activity during cognitive tasks, improving alertness and mood.
Research by Guy Beauchamp reveals semipalmated sandpipers feed differently depending on group position, with peripheral birds acting as sentinels. The study sheds light on the mechanisms behind group living and its benefits for survival.
Researchers have discovered an unprecedented change in the French-Canadian genomic signature over 400 years, with rare mutations accumulating at an alarming rate. This finding has significant implications for understanding population-specific diseases and conservation genetics.
Researchers at the University of Montreal have discovered a new role for non-coding RNA molecule TERRA in maintaining telomere length and protecting against cancer. By tracking telomerase molecules with TERRA, scientists found that this 'dark matter' plays a crucial role in regulating telomerase activity.
A 2-year study found that two 90-minute group therapy sessions significantly reduced anxiety, depression, and behavior problems in British youth. The interventions targeted specific risk factors for mental health issues and were delivered by trained educational professionals.
Researchers found significant cortical thinning and subcortical atrophy in Parkinson's patients with mild cognitive impairment, indicating faster neurodegeneration. This pattern may serve as a predictor of dementia in PD patients in the future.
A recent review suggests that training the less proficient language before or after aphasia onset results in bigger transfer effects on the untreated language. Semantic therapy approaches, such as stimulating word meanings, also facilitate transfer of therapy effects from one language to another.
Studies published in PLOS ONE reveal epigenetic changes in boys with chronic aggressive behavior, related to the prenatal environment and self-control genes. The research suggests that these changes may be reversed through preventive intervention from an early age.
Researchers discovered that mothers show increased activation in the dopaminergic system of the caudate nucleus when exposed to newborn odors, a key finding suggesting biological underpinnings for maternal functions. The study's results imply a neural response linked to maternal status.
Scientists discover Nu-complexes, a new type of brain activity detected in human and cat comas beyond the flat EEG line. This finding opens up avenues for understanding learning and memory processes during coma and may lead to more effective treatments.
Researchers at the University of Montreal identified three risk factors associated with young adult smoking onset: impulsivity, poor school performance, and higher alcohol consumption. This study suggests that targeted prevention campaigns for young adults aged 18-24 could help prevent smoking initiation.
Researchers at the University of Montreal found that cannabis use during adolescence is associated with increased risk of addiction and mental health problems. The study suggests that specific genetic and behavioral factors influence an individual's likelihood of developing a dependence on cannabis.
A study from the Université de Montréal found that the program improves parenting style and boosts children's psychological adjustment, leading to higher well-being levels. The three key dimensions of optimal parenting—structure, warmth, and autonomy support—showed significant increases.
A two-year prevention programme for disruptive kindergarten children may help reduce substance use in adolescence. The study found that levels of drug and alcohol use across adolescence were lower in those who received the intervention.
Research found that every extra hour of TV beyond recommendations decreases vocabulary and math skills, classroom engagement, victimization by classmates, and physical prowess at kindergarten. Existing viewing recommendations from the American Academy of Pediatrics are not sufficient to prevent these negative effects.
Researchers have discovered a protein, Neu1, that regulates insulin signaling in body cells, potentially helping to prevent type 2 diabetes. The study's findings, published in the journal Diabetes, suggest that restoring Neu1 levels and function could improve insulin absorption, reducing the need for insulin therapy.
Researchers at the University of Montreal found that a liver protein plays a crucial role in pregnancy and the human menstrual cycle. The study, published in Nature Medicine, showed that mice genetically engineered to lack the protein had defective placentas and failed pregnancies.
Children exposed to maternal depression are nearly twice as likely to develop emotional problems and separation anxiety symptoms. However, regular group-based child care attendance is linked to a more positive outcome for these children, including reduced chances of developing emotional problems.
Researchers have identified the TTC7A gene as the cause of multiple intestinal atresia (MIA), a rare and life-threatening condition. The discovery will enable the development of prenatal diagnostic tests for pregnant women and screening tests for carriers, offering new hope for affected families.
Researchers at the University of Montreal have discovered how rapamycin prevents cells from dividing, potentially slowing cancer progression and other diseases of abnormal growth. The study reveals that TOR sends a signal to shut down B cyclin production through an intermediary protein.
Children exposed to secondhand smoke in early childhood are more likely to grow up physically aggressive and antisocial. The study, controlled for factors like parental antisocial behavior, found a statistical correlation between secondhand smoke exposure and deviant behavior.
Researchers developed a microchip to study the mechanical challenges faced by pollen tubes as they navigate through female flower tissues. The study found that when the grip around the tube was too tight, it triggered the release of sperm cells, which is essential for fertilization and seed set.
A study by University of Montreal researchers found a negative correlation between household income and glycated hemoglobin levels in children with type 1 diabetes. The difference in glycated hemoglobin levels corresponds to a doubling of the risk of eye damage, highlighting the need for greater support for low-income families
University of Montreal researchers found that metformin reduces the production of inflammatory cytokines, which can lead to pathological inflammation and cancer growth. The study suggests that metformin may slow down the aging process by preventing this chronic inflammation.
Research by Antonio Zadra dispels myths about sleepwalking, revealing that sleepwalkers can recall their actions and that a genetic factor plays a significant role in the disorder. The study also found that sleepwalking is not just a problem of transitioning between deep sleep and wakefulness.
Researchers from the University of Montreal studied how hypergravity and microgravity affect plant reproduction, brain diseases, and cancer. They found that changes in gravity impact cellular traffic flow and construction of the cellular envelope, leading to compromised cell functioning and potential implications for human health.
A new species of acorn worm, Spartobranchus tenuis, has been discovered in Canada's Burgess Shale fossil beds, providing a crucial missing link in understanding hemichordate evolution. The discovery pushes the fossil record back 200 million years to the Cambrian period, shedding light on biodiversity during this time.
Scientists at the University of Montreal's IRIC have identified a key mechanism that enables cancer cells to coordinate their movement, allowing them to disseminate efficiently in the body. By understanding this mechanism, researchers hope to develop molecular targets to disrupt collective cell migration and fight metastasis formation.
A new educational tool has demonstrated significant reduction in stress hormones and depressive symptoms among adolescents transitioning to high school. The DeStress for Success Program showed improved mental health outcomes, especially among students with initial high anger levels.
A new anti-inflammatory drug, inclacumab, has shown promising results in reducing heart muscle damage during angioplasty. The study involved 530 patients with myocardial infarction and found that a single dose of the drug reduced troponin I levels by 24%, offering great promise for its potential use in treating heart attack patients.