Articles tagged with Aphasia
A University of Houston study challenges traditional views on dyslexia, suggesting it stems from an overall brain network vulnerability. The research identified two developmental origins: one related to brain architecture and another to synaptic signaling, which may be uniquely human.
Combining neck surgery with intensive speech therapy has been shown to improve communication skills and quality of life in patients with chronic post-stroke aphasia. The study found significant improvements in language function and reduced symptoms of depression, with no severe adverse events reported.
Researchers discovered similarities between AI and human brains with aphasia, offering new insights into diagnosis and improving AI's fluency. The study suggests that understanding internal patterns in AI models may lead to smarter and more trustworthy AI.
Researchers at the University of Arizona have developed a new treatment approach for primary progressive aphasia (PPA) that combines traditional speech therapy with noninvasive brain stimulation. The technique, called transcranial direct current stimulation, was found to be more effective in managing PPA compared to speech therapy alone.
Researchers at the University of Calgary investigate the effectiveness of transcranial magnetic stimulation combined with intensive speech therapy for treating poststroke aphasia. The study found significant improvements in speech, confidence, and mood among participants, offering new hope for those affected by stroke.
Researchers from Syracuse University found potential benefits of transcranial direct current stimulation (tDCS) on attention and fatigue in post-stroke patients, but results were mixed. Participants who received real tDCS showed decreased fatigue, while actual treatment did not improve attention tests.
Researchers identified specific non-frontal brain areas involved in speech intent, which can be used to distinguish between language production and perception. This study is a crucial step towards developing a brain-computer interface to treat patients with Broca's aphasia.
Researchers found a high agreement between EEG and fMRI in identifying brain regions activated during language tasks. EEG-guided tDCS improved picture-naming speed in participants, suggesting its potential for innovative therapies.
A new AI-based tool can translate a person's thoughts into continuous text without requiring language comprehension, and it can be trained in under an hour. The system was developed by adapting a previous brain decoder to a new person using short, silent videos.
The project's recordings help improve voice recognition tools by providing diverse speech patterns to train artificial intelligence models. Microsoft has seen significant improvements in recognizing non-standard English speech, with accuracy gains ranging from 18% to 60%, depending on the speaker's disability.
Scientists discovered that aphasia patients struggle with both forming concept of time and selecting correct verb tense. The severity of these issues varied depending on the language and individual, with some facing challenges primarily during encoding or retrieval.
A new study from Georgetown University Medical Center and MedStar Health researchers found that cognitive difficulties, lack of social participation, and self-perceived poor recovery are key drivers of depression after a stroke. Contrary to previous studies, physical disability was not a significant predictor of depression in this study.
Research collaborations between academics, clinicians, and individuals with aphasia aim to bridge the digital divide and develop accessible technology. The special issue showcases innovative approaches to aphasia research, assessment, intervention, and participation.
The LUNA intervention, a multi-level language treatment, was found to improve narrative abilities and language functioning in individuals with chronic aphasia. The study, published in PLoS One, suggests that discourse-focused therapies can make a real difference in the lives of people with aphasia.
Researchers at the University of Helsinki found that singing repairs the structural language network of the brain after a cerebrovascular accident. Singing also improved tract connectivity and increased grey matter volume in language regions, leading to improved speech production in patients with aphasia.
Dr. Olga Boukrina's research aims to test a novel hybrid approach combining aerobic exercise and targeted reading treatment for post-stroke aphasia, targeting 70 stroke survivors. The study seeks to enhance brain blood flow and rehabilitate damaged brain networks supporting reading.
A new study has identified the likely origin of tone deafness in the brain, finding that strokes causing amusia affect the right hemisphere and a specific region called the superior temporal gyrus. This discovery highlights the differences between processing music and language in the brain, with implications for diagnosis and treatment.
A new study published in eClinicalMedicine found that the iTalkBetter app significantly improved patients' ability to talk after six weeks of use. The app provided digital speech therapy for over 200 commonly used words, with a 13% increase in naming items and improvements in spontaneous speech.
People with aphasia struggle to come up with words when prompted by images and words carrying negative emotional meaning. Researchers found that neutral prompts yield the best results, with negative emotional context disrupting word retrieval. The study has implications for clinical assessments and therapy.
A new paper reveals that media coverage of Bruce Willis' condition was inaccurate, with journalists misrepresenting the relationship between aphasia and frontotemporal degeneration. The disease was often described as if it were a separate disorder from aphasia, when in fact aphasia is a symptom of frontotemporal degeneration.
A new study from UTHealth Houston has found that the posterior temporal cortex and inferior frontal cortex are crucial for semantic integration during reading. This discovery may help illuminate the inner dynamics of aphasia, a disorder affecting language expression and comprehension.
A recent study at the University of Helsinki found that speech production and singing are supported by the same neural network in the brain, challenging previous notions about their separate functions. The left hemisphere plays a crucial role in both abilities, particularly in terms of singing.
A recent study at the University of Helsinki found that singing-based group rehabilitation can increase communication and speech production in stroke survivors, while also reducing social isolation. The study's results suggest that this type of rehabilitation could be a valuable addition to existing aphasia treatment protocols.
A new Baycrest study found that using adaptive language-learning software is extremely beneficial in helping stroke survivors regain their language skills. The researchers used an online program to practice identifying images, and participants showed significant improvement after just two weeks.
Olga Boukrina's five-year grant funds research on neurobehavioral reading intervention with potential to promote post-stroke plasticity. The study aims to develop an fMRI neurofeedback-based approach to improve reading recovery in stroke survivors.
A new study found that people with severe speaking difficulties pay more attention to hand gestures when their verbal communication is impeded. This highlights the importance of incorporating gestures into therapy for individuals with aphasia.
A new study of patients with Primary Progressive Aphasia (PPA) shows that those who struggle with complex words compensate by using simpler ones. Healthy volunteers also exhibit a similar balance between word complexity and syntactic structure, suggesting a fundamental property of language production.
A study of 118 PPA autopsies found five diseases causing language impairments, each impacting a distinct part of the language network. The findings can inform targeted interventions and treatment approaches for patients with PPA.
A new study from the University of Eastern Finland found that frontotemporal dementia patients with extrapyramidal symptoms have significant brainstem atrophy and reduced metabolism, facilitating differential diagnostics for FTD. This can help distinguish between FTD and other diseases causing extrapyramidal symptoms.
Post-surgery patients exhibit moderate speech disorders affecting all language processing aspects, whereas post-stroke patients display specific phonological deficits. Understanding these differences is crucial for developing targeted therapies.
A research team at UNIGE and HUG has identified signals produced by the brain when people speak to themselves, offering a breakthrough in treating speech disorders. The study found that low frequencies and coupling between certain frequencies contain essential information for decoding imagined speech.
Researchers at HSE University have created a new, standardized test battery to diagnose language disorders in people with brain damage. The test, the first of its kind in Russia, has been validated through large-scale data collection and uses modern neurolinguistic models.
Researchers at Boston University developed a new method to predict language recovery in Hispanic patients using computer models of the brain. The breakthrough could be a game changer for speech therapy and stroke survivors impacted by aphasia.
A study published in Neurology found that individuals with primary progressive aphasia, often associated with Alzheimer's disease, may not develop memory problems. Instead, their language skills decline significantly over time.
A recent study found that individualized brain stimulation therapy improves language performance in stroke survivors with aphasia, targeting abnormal activity outside the damaged tissue. The therapy also shows promise for individuals with dementia, highlighting a personalized approach to treating this debilitating disorder.
A new ECU study found that early intervention and less-intensive therapy can lead to better communication outcomes. The researchers suggest tailoring the difficulty level of aphasia therapy to individual tolerance and spacing sessions to enhance learning consolidation.
Researchers at HSE University found that people with aphasia respond more accurately and quickly when retrieving single verbs with complex argument structures, rather than relying on simpler verbs. This challenges the traditional view that linguistic complexity correlates with cognitive difficulty, suggesting that certain types of verb...
Researchers from the Medical University of South Carolina found that the left lateral temporal cortex needs to be intact for a stroke survivor to successfully follow along with another speaker. The study suggests that speech entrainment therapy may improve the ability of patients with post-stroke aphasia to speak fluently and with less...
Researchers investigated factive and counterfactive constructions in aphasia, finding that individuals with aphasia performed similarly well on factive interpretation tests but struggled with counterfactive ones. The study highlights the relationship between language, cognition, and propositional thought in aphasia.
Dr. Boukrina is investigating the role of reading deficits in aphasia rehabilitation, developing benchmarks for identifying high-risk patients and exploring effective treatment options. Her research aims to improve cognition, mobility, and long-term outcomes for individuals with neurological disabilities caused by stroke.
Researchers at USC and MUSC found that transcranial direct current stimulation (tDCS) significantly improved naming exercises in stroke patients with long-term aphasia. The study shows tDCS coupled with speech therapy is a promising new treatment for these patients.
Dr. Olga Boukrina's research aims to identify high-risk patients with brain damage and type of reading difficulties after stroke, enabling early intervention. Her goal is to develop criteria for effective interventions to help stroke survivors regain their reading ability.
Researchers found that individuals with agrammatic aphasia omit grammatical pronouns due to cognitive resource limitations. The study suggests a new usage-based theory of grammar, prioritizing lexical elements over grammatical ones.
Researchers developed a novel method to identify neural structures associated with impaired auditory word comprehension after stroke. The study mapped white matter connections beyond the damaged area, revealing crucial networks involved in speech comprehension and proposing targeted therapy approaches.
Researchers used modularity metric to analyze brain connectivity in 90 stroke patients, finding that highly fragmented left hemisphere communities were associated with more severe aphasia. The study provides new insights into the underlying mechanisms of language recovery after stroke.
A recent Penn State study suggests that aphasia may be a broader cognitive disorder affecting not just language, but also hearing, vision, motor processing, attention, and executive functions. The findings imply that treating aphasia requires a more holistic approach, considering these interconnected brain networks.
Researchers from HSE Neurolinguistics Laboratory presented their work expanding Alexander Luria's neuroanatomical model of semantic aphasia by adding white matter tracts to it, which connect various regions of the cortex.
A new telemedicine program offers specialized speech therapy for people with dementia-related language problems, significantly improving their ability to recall words they had lost. The Communication Bridge program uses a secure video-chat platform and home assignments like virtual flashcards to support language memory.
Researchers investigated the effectiveness of neurorehabilitation treatments for individuals with brain injury or stroke, highlighting adaptable, measurable, and evidence-based therapies. Studies found that holistic neuropsychological rehabilitation can reduce reported symptoms and carer strain.
Researchers mapped brain connections after stroke to predict language deficits, finding damage beyond cortical tissue is crucial for language impairment. The study suggests connections in the parietal region play a key role in language function, with preservation of these connections linked to better recovery chances.
Researchers found that patients with aphasia who performed better on speech-fluency tests had higher structural integrity in right hemisphere regions. These areas were found to contribute to speech-fluency, suggesting the right side of the brain reorganizes itself for recovery.
Research found that damage to brain connections can impact aphasia severity, with some patients having more severe symptoms despite similar stroke volumes. Investigators used MRI imaging to map neural connections and identified patterns associated with language difficulties.
Researchers from Johns Hopkins University School of Medicine presented new insights on the use of big data to discover personalized therapies for treating human illness. They also discussed the link between hearing loss and cognitive decline, as well as a new technique to predict outcomes in patients with neurodegenerative disorders.
Researchers found that writing and speaking are supported by different parts of the brain, revealing a high-level distinction between word construction. This understanding could help educators teach children to read and write more effectively and improve therapies for those suffering from aphasia.
Researchers created a detailed brain map of language impairments in aphasia following stroke, identifying four dimensions or factors: semantic recognition, speech recognition, speech production, and semantic errors. The study found that specific brain areas, such as the left Sylvian fissure and white matter bottleneck, are associated w...
An interdisciplinary team of University of Arizona researchers is studying language abilities in patients recovering from a stroke. They will use combined language assessments with comprehensive brain imaging techniques to understand the neural processes underlying successful recovery.
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.
Researchers developed a non-invasive brain stimulation technique using transcranial magnetic stimulation to improve language function in stroke patients with chronic aphasia. The technique demonstrated long-term improvement in language production, enabling continued development of language capacity months after treatment.
A new study suggests that non-invasive brain stimulation can significantly improve aphasia recovery in stroke survivors. The treatment was found to be most effective when administered early after the stroke, typically within five weeks, and showed a threefold improvement over sham stimulation in patients with anomia.
Researchers found that a compensatory reorganization of language function to right hemispheric brain regions impeded post-stroke aphasia recovery in adults. In contrast, children who experience left-hemispheric injury or stroke may benefit from such a shift.