Overview

electroencephalography

Return to overview »

You are looking at 1-20 of 36 entries

  • Type: Overview Page x
clear all

View:

anaesthesia and consciousness

anaesthesia and consciousness  

Everybody wants to have a hand in a great discovery. All I will do is to give you a hint or two as to names, or the name, to be ...
anaesthesia, awareness under

anaesthesia, awareness under  

Awareness under anaesthesia appears to be an uncommon event when measured conventionally, i.e. as recall by the patient of events that happened during surgery. Sebel et al. (2004) found an ...
attention

attention  

Sustained concentration on a specific stimulus, sensation, idea, thought, or activity, enabling one to use information-processing systems with limited capacity to handle vast amounts of information ...
brain

brain  

Reference type:
Overview Page
n. the enlarged and highly developed mass of nervous tissue that forms the upper end of the central nervous system (see illustration). The average adult human brain weighs about 1400 g (approximately ...
brain damage

brain damage  

Progress in intensive care efforts has increased the number of patients who survive severe acute brain damage. The most frequent causes of coma are traumatic or ischaemic brain damage. Although ...
contrastive analysis

contrastive analysis  

There are two ways to study conscious experiences scientifically: one way is to compare them to closely matched unconscious experiences, a method that has been called contrastive analysis (Baars ...
correlates of consciousness, computational

correlates of consciousness, computational  

The expression ‘computational correlate of consciousness’ was first used by Mathis and Mozer (1995), who, taking a computational approach to the problem of consciousness, asked ‘What conditions must ...
development and consciousness

development and consciousness  

There is widespread agreement that the contents of consciousness are continually in flux and likely to change in systematic ways over the course of human development. But questions about the ...
Edgar Douglas Adrian

Edgar Douglas Adrian  

1st Baron Adrian (1889–1977). Adrian was born in London and educated at Westminster School, where he became a King's Scholar at the end of his first term. Like his mentor ...
electroencephalogram

electroencephalogram  

(EEG)A tracing or graph of the electrical activity of the brain. Electrodes taped to the scalp record electrical waves from different parts of the brain. The pattern of an EEG reflects an ...
encephalography

encephalography  

Reference type:
Overview Page
n. any of various techniques for recording the structure of the brain or the activity of the brain cells. Examples are electroencephalography and pneumoencephalography.
epilepsy

epilepsy  

Reference type:
Overview Page
A disorder of cerebral function accompanied by recurrent seizures and sometimes loss of consciousness. The severity varies (grand mal, Jacksonian epilepsy, MERRF syndrome, myoclonic epilepsy of ...
evoked potential

evoked potential  

A type of EEG response, either generated in the primary sensory areas of the brain, initiated by a sensory stimulus, and called a sensory or exogenous potential, or generated elsewhere in the brain, ...
extroversion

extroversion  

Reference type:
Overview Page
n.1. (extraversion) an enduring personality trait characterized by interest in the outside world rather than the self. People high in extroversion (extroverts), as measured by questionnaires and ...
functional brain imaging

functional brain imaging  

Functional brain imaging refers to a group of technologies developed in the last quarter of the 20th century that allow the non‐invasive measurement of human brain activity. These technologies have ...
gamma oscillations

gamma oscillations  

Neural signals in the gamma frequency range (≥30 Hz) have recently received considerable attention in neuroscience. Although the phenomenon of fast neuronal oscillations had been described already 50 ...
Hans Berger

Hans Berger  

(1873–1941) German psychiatristBerger was born in Neuses, Germany, and studied medicine at the University of Jena; having joined the university psychiatric clinic in 1897 as an assistant, he ...
hypnosis

hypnosis  

n. a sleeplike state, artificially induced in a person by a hypnotist, in which the mind is more than usually receptive to suggestion and memories of past events – apparently forgotten – may be ...
hypsarrhythmia

hypsarrhythmia  

Reference type:
Overview Page
n. a severe abnormality on an EEG (see electroencephalography) that demonstrates a chaotic pattern of brain activity. It is usually characteristic of infantile spasms.
information integration theory

information integration theory  

The integrated information theory of consciousness claims that consciousness is a function of the quantity of information generated by an integrated system (first problem), and that its quality is ...

View: