Psychology & Psychiatry

Getting enough sleep may help brain store, recall memories

A review of more than 130 studies explains how sleep helps people learn new information and plays an important role in storing learned content for future use. The review is published in the January 2020 issue of Physiology.

Psychology & Psychiatry

Deepening our understanding of selfish behavior

Is a selfish person just processing the decisions that result in rewards to others differently? Perhaps, suggests a recent RIKEN study. A RIKEN team, led by Hiroyuki Nakahara of the Laboratory for Integrated Theoretical Neuroscience ...

Neuroscience

How junk food shapes the developing teenage brain

Obesity is increasing worldwide, especially among children and teenagers. More than 150 million children in the world are obese in 2019. These children have increased risk of heart disease, cancers and Type 2 diabetes.

Neuroscience

Veterans study suggest two sub-types of Gulf War illness

Brain imaging of veterans with Gulf War illness show varying abnormalities after moderate exercise that can be categorized into two distinct groups—an outcome that suggests a more complex illness that previously thought.

Attention deficit disorders

Artificial intelligence boosts MRI detection of ADHD

Deep learning, a type of artificial intelligence, can boost the power of MRI in predicting attention deficit hyperactivity disorder (ADHD), according to a study published in Radiology: Artificial Intelligence. Researchers ...

Neuroscience

Brain patterns can predict speech of words and syllables

Neurons in the brain's motor cortex previously thought of as active mainly during hand and arm movements also light up during speech in a way that is similar to patterns of brain activity linked to these movements, suggest ...

Neuroscience

Playing sports might sharpen your hearing

(HealthDay)—Playing sports may improve the brain's ability to process sounds, a finding that could lead to new therapies for people who struggle with hearing, researchers report.

Health

Play sports for a healthier brain

There have been many headlines in recent years about the potentially negative impacts contact sports can have on athletes' brains. But a new Northwestern University study shows that, in the absence of injury, athletes across ...

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Electroencephalography

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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