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Psychology & Psychiatry
Mice's sex-based social preferences shift under stress: Dopamine circuits play crucial role
Researchers from Xi'an Jiaotong University and collaborating institutions in China have identified sexually dimorphic dopamine (DA) circuits in the brain that influence sociosexual preferences in mice. They found innate preferences ...
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Neuroscience
Epilepsy associated with poor brain health
Epilepsy is associated with poor brain health, with a consistent deleterious effect seen on cognitive and motor function and mental health, according to a study published online Dec. 31 in the Journal of Translational Medicine.
Jan 11, 2025
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Neuroplasticity linked to PTSD resilience in Paris terror attack
Normandie University researchers have identified critical links between the brain's inhibitory memory control mechanisms and resilience to post-traumatic stress disorder (PTSD). They examined how the hippocampus and prefrontal ...
Single-neuron mechanism may bridge gap between working memory and long-term memory
The human working memory (WM) is the cognitive system responsible for the temporary storage and processing of information vital to task completion. In contrast, human long-term memory (LTM) is the system that holds information ...
High levels of disordered eating among young people linked to brain differences
More than half of 23-year-olds in a European study show restrictive, emotional or uncontrolled eating behaviors, according to new research led by the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College ...
Jan 10, 2025
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New study suggests hearing loss may be early indicator of Parkinson's
There may be a link between hearing impairment and an increased risk of developing Parkinson's according to research led by Lancaster University.
Jan 10, 2025
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Aphasia patients' grammatical tense troubles linked to language-specific encoding and retrieval
An international team of researchers, including scientists from the HSE Centre for Language and Brain, has identified the causes of impairments in expressing grammatical tense in people with aphasia. They discovered that ...
Jan 10, 2025
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Study suggests prenatal exposure to glucocorticoids may increase risk for some mental disorders in offspring
Prenatal exposure to glucocorticoids is associated with some mental disorders in offspring, such as mood, anxiety, and stress-related disorders, according to a study published online Jan. 3 in JAMA Network Open.
Jan 10, 2025
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Epilepsy in children linked to lower quality of life and caregiver strain
Disability is a significant risk factor for lower quality of life (QOL) and increased caregiver burden among children with epilepsy and their caregivers, according to a study published in the February issue of Epilepsy & ...
Jan 10, 2025
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Men more than three times as likely to die from a brain injury, study shows
A new analysis of U.S. mortality data reveals the disproportionate impact of traumatic brain injuries (TBI) on older adults, males and certain racial and ethnic groups.
Jan 10, 2025
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The basis of voluntary movements: Monkey study challenges classical views on how brain controls natural actions
A study published in Science reveals new mechanisms through which the brain controls natural actions. The results challenge some of the classical views about how the motor system works and open up possible new applications ...
Jan 9, 2025
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Mapping cells that tune in to sound: Researchers identify major neurons involved in hearing process
When we hear sounds, specialized cells in the cochlear nucleus are the first to process that information, enabling our brains to understand speech, enjoy music and recognize various noises. For decades, this area has been ...
Jan 9, 2025
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High-fat diet during adolescence increases impulsive behaviors in adult rodents
For adults, a diet high in saturated fats and added sugar has been linked to impulsivity and poor self-control. But what role, if any, does diet play in adolescent psychological development?
Jan 9, 2025
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Jointly active when it matters: Nerve cells in the eye work together to recognize contrast and movements
The processing of optical information in the retina of the eye, where the light-sensitive photoreceptors and the first nerve cells are located, is one of the most energy-intensive processes in the organism, especially in ...
Jan 9, 2025
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For women with multiple sclerosis, mobility takes step backward at menopause
A new study by UC San Francisco has found that menopause revs up the progression of multiple sclerosis (MS).
Jan 9, 2025
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Common sleep aid may disrupt system that clears brain waste linked to Alzheimer's
Getting a good night's sleep is a critical part of our daily biological cycle and is associated with improved brain function, a stronger immune system, and a healthier heart. Conversely, sleep disorders like insomnia and ...
Jan 8, 2025
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Words activate hidden brain processes shaping emotions, decisions and behavior
In an unprecedented new study, researchers have shown neurotransmitters in the human brain are released during the processing of the emotional content of language, providing new insights into how people interpret the significance ...
Jan 8, 2025
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Study links gene-regulating brain circuit formation to autism and seizures
The gene neuropilin2 encodes a receptor involved in cell-cell interactions in the brain and plays a key role in regulating the development of neural circuits. Neuropilin2 controls migration of inhibitory neurons as well as ...
Jan 8, 2025
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The genes that grow a healthy brain can also fuel adult glioblastoma
UCSF scientists have discovered a stem cell in the young brain that's capable of forming the cells found in tumors. The breakthrough could explain how adult brain cells take advantage of developmental processes to instigate ...
Jan 8, 2025
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High-frequency electrical stimulation blocks spasticity to help paraplegics walk again
Electrical stimulation of the spinal cord is a promising strategy for reestablishing walking after spinal cord injury, recent studies show. But for patients suffering from muscle spasms, the stimulation protocols have a limited ...
Jan 8, 2025
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Childhood maltreatment may alter sperm, affecting future generations' brain development
Childhood stress can impact the epigenetic profile of sperm. These results may also have practical implications for future generations through epigenetic inheritance, as many of the observed epigenetic associations are related ...
Jan 8, 2025
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Discovery of molecular mechanisms offers new targets for Huntington's treatment
A University of California, Irvine-led research team has discovered intricate molecular mechanisms driving the RNA processing defects that lead to Huntington's disease and link HD with other neurodegenerative disorders such ...
Jan 8, 2025
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Study advances possible blood test for early-stage Alzheimer's disease, explains why women may be at higher risk
Declining blood levels of two molecules that occur naturally in the body track closely with worsening Alzheimer's disease, particularly in women. Levels were found to drop gradually, from women with no signs of memory, disorientation, ...
Jan 8, 2025
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Novel brain mechanism links neurotransmitters to circadian gene expression
A collaborative effort between Mount Sinai and Memorial Sloan Kettering Cancer Center has shed valuable light on how monoamine neurotransmitters such as serotonin, dopamine, and now histamine help regulate brain physiology ...
Jan 8, 2025
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How specific brain regions drive chemotherapy-induced pain response
Chronic physical pain can be debilitating, but feelings of stress, fear, and hunger can sometimes suppress painful sensations. Diverse neurons across different brain regions play a role in carefully orchestrating the pain ...
Jan 8, 2025
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