People differ significantly in their memory performance. Researchers at the University of Basel have now discovered that certain brain signals are related to these differences.
Sep 25, 2023
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Researchers at the University of Michigan have developed a model for studying one type of familial epilepsy, opening the door to understanding—and eventually targeting—the mechanisms that lead to the disorder and its ...
Sep 25, 2023
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After a traumatic experience, most people recover without incident, but some people—between 2% and 10%—develop posttraumatic stress disorder (PTSD), a mental health condition that can cause debilitating symptoms of anxiety ...
Sep 21, 2023
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It can be challenging to create a treatment plan for depression. This is especially true for patients who aren't responding to conventional treatments and are undergoing experimental therapies such as deep brain stimulation. ...
Sep 21, 2023
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New research from the University of Missouri School of Medicine suggests there may be another way to treat cigarette cravings. Researchers found that theta-burst transcranial magnetic stimulation (TBS)—strong, rapidly fluctuating ...
Sep 20, 2023
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Spring has sprung and many people are welcoming longer days and more time outdoors. But for almost 1 in 5 Australians, spring also brings the misery of watery, itchy red eyes, a runny, congested nose, and sneezing.
Sep 20, 2023
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A team of leading clinicians, engineers, and neuroscientists has made a groundbreaking discovery in the field of treatment-resistant depression. By analyzing the brain activity of patients undergoing deep brain stimulation ...
Sep 20, 2023
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Patients living with fibromyalgia (FM)—a disease that predominantly affects women and is characterized by chronic pain, fatigue and brain fog—often find limited treatment options and a scarcity of explanations for their ...
Sep 20, 2023
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Different people can have varying perceptions of the same scents and odors, for instance perceiving the same perfume as "fruity" or "musky." Studies have suggested that the ways in which the same odors are mapped in the brain ...
Researchers from the University of Tsukuba found that the frequency of a brainwave phenomenon called phase resetting reflects daily changes in depressed mood. This finding renders possible the estimation of the degree of ...
Sep 15, 2023
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Electroencephalography (EEG) is the recording of electrical activity along the scalp produced by the firing of neurons within the brain. In clinical contexts, EEG refers to the recording of the brain's spontaneous electrical activity over a short period of time, usually 20–40 minutes, as recorded from multiple electrodes placed on the scalp. In neurology, the main diagnostic application of EEG is in the case of epilepsy, as epileptic activity can create clear abnormalities on a standard EEG study. A secondary clinical use of EEG is in the diagnosis of coma and encephalopathies. EEG used to be a first-line method for the diagnosis of tumors, stroke and other focal brain disorders, but this use has decreased with the advent of anatomical imaging techniques such as MRI and CT.
Derivatives of the EEG technique include evoked potentials (EP), which involves averaging the EEG activity time-locked to the presentation of a stimulus of some sort (visual, somatosensory, or auditory). Event-related potentials refer to averaged EEG responses that are time-locked to more complex processing of stimuli; this technique is used in cognitive science, cognitive psychology, and psychophysiological research.
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