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Echophenomenon (also known as echo phenomenon; from Ancient Greek ἠχώ (ēkhṓ) "echo, reflected sound") is "automatic imitative actions without explicit awareness" [1] or pathological repetitions of external stimuli or activities, actions, sounds, or phrases, indicative of an underlying disorder.
Echopraxia is a typical symptom of Tourette syndrome but causes are not well elucidated. [1]Frontal lobe animation. One theoretical cause subject to ongoing debate surrounds the role of the mirror neuron system (MNS), a group of neurons in the inferior frontal gyrus (F5 region) of the brain that may influence imitative behaviors, [1] but no widely accepted neural or computational models have ...
Echolalia and echopraxia are distinguishing tics of Tourette syndrome (TS); [1] the echolalic repetitions of individuals with TS are mainly echoes from within their own "tic repertoire". [1] Evidence points to a healthy mirror neuron system (MNS), but "inadequate imitation-control mechanism, which make them vulnerable to interferences".
An echo chamber is "an environment where a person only encounters information or opinions that reflect and reinforce their own." [1]In news media and social media, an echo chamber is an environment or ecosystem in which participants encounter beliefs that amplify or reinforce their preexisting beliefs by communication and repetition inside a closed system and insulated from rebuttal.
The proposed EChO instrument on SPICA (SPEChO) is a spectrometer covering light wavelengths from 5 to 20 micrometres, and will observe exoplanet atmospheres utilizing transit spectroscopy. [ 6 ] [ 7 ] As long with a potential to recover the original scientific goals from EChO, SPEChO will enable SPICA to conduct specialized exoplanetary science ...
The echo effect has TikTokers in its grip as it sparks numerous whimsical trends. The effect has inspired the "core memory" and "how a memory sounds" trends so far. The feature can make the audio ...
A close-up view of the center of the NGC 6505 galaxy showcases the bright Einstein ring surrounding it. - ESA/Euclid/Euclid Consortium/NASA, image processing by J.-C. Cuillandre, G. Anselmi, T. Li
The spin-echo effect was discovered by Erwin Hahn when he applied two successive 90° pulses separated by short time period, but detected a signal, the echo, when no pulse was applied. This phenomenon of spin echo was explained by Erwin Hahn in his 1950 paper, [ 5 ] and further developed by Carr and Purcell who pointed out the advantages of ...