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Evoked potential

Index Evoked potential

An evoked potential or evoked response is an electrical potential recorded from the nervous system of a human or other animal following presentation of a stimulus, as distinct from spontaneous potentials as detected by electroencephalography (EEG), electromyography (EMG), or other electrophysiologic recording method. [1]

92 relations: Amplitude, Anesthetic, Animal, Auditory cortex, Auditory system, Average, Bereitschaftspotential, Brainstem, Brainstem auditory evoked potential, C1 and P1 (neuroscience), Calcarine sulcus, Cathode ray tube, Central hypoventilation syndrome, Central nervous system, Cerebral cortex, Cochlear nerve, Cochlear nucleus, Cognitive neuroscience, Contingent negative variation, Difference due to memory, Early left anterior negativity, Electric potential, Electricity, Electrocardiography, Electrodiagnostic medicine, Electroencephalography, Electromyography, Electrophysiology, Electroretinography, Error-related negativity, Event-related potential, Evoked field, Evoked potential, External occipital protuberance, Group A nerve fiber, Group C nerve fiber, Halogenation, Human, Inferior colliculus, International Society for Clinical Electrophysiology of Vision, Intraoperative neurophysiological monitoring, Late positive component, Lateral lemniscus, Lateralized readiness potential, Liquid-crystal display, Medial geniculate nucleus, Median nerve, Medical diagnosis, Mirror neuron, Mismatch negativity, ..., Monitoring (medicine), Multifocal technique, N100, N170, N200 (neuroscience), N2pc, N400 (neuroscience), Nerve conduction study, Nervous system, Neural oscillation, Nitrous oxide, Noise, Oddball paradigm, P200, P300 (neuroscience), P3a, P3b, P600 (neuroscience), Peripheral nervous system, Peripheral neuropathy, Premovement neuronal activity, Primary somatosensory cortex, Roll-off, Scalp, Sense, Signal-to-noise ratio, Slow vertex response, Somatosensory evoked potential, Somatosensory system, Spinal cord, Spinothalamic tract, Steady state visually evoked potential, Stimulus (physiology), Superior olivary complex, Surgery, Thalamus, Tibial nerve, Transcranial magnetic stimulation, Ulnar nerve, Visual N1, Visual system, Volt. Expand index (42 more) »

Amplitude

The amplitude of a periodic variable is a measure of its change over a single period (such as time or spatial period).

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Anesthetic

An anesthetic (or anaesthetic) is a drug to prevent pain during surgery, completely blocking any feeling as opposed to an analgesic.

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Animal

Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.

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Auditory cortex

The primary auditory cortex is the part of the temporal lobe that processes auditory information in humans and other vertebrates.

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Auditory system

The auditory system is the sensory system for the sense of hearing.

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Average

In colloquial language, an average is a middle or typical number of a list of numbers.

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Bereitschaftspotential

In neurology, the Bereitschaftspotential or BP (from German, "readiness potential"), also called the pre-motor potential or readiness potential (RP), is a measure of activity in the motor cortex and supplementary motor area of the brain leading up to voluntary muscle movement.

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Brainstem

The brainstem (or brain stem) is the posterior part of the brain, adjoining and structurally continuous with the spinal cord.

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Brainstem auditory evoked potential

In human neuroanatomy, brainstem auditory evoked potentials (BAEPs), also called brainstem auditory evoked responses (BAERs), are very small auditory evoked potentials in response to an auditory stimulus, which are recorded by electrodes placed on the scalp.

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C1 and P1 (neuroscience)

The C1 and P1 (also called the P100) are two human scalp-recorded event-related brain potential (event-related potential (ERP)) components, collected by means of a technique called electroencephalography (EEG).

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Calcarine sulcus

The calcarine sulcus (or calcarine fissure) is an anatomical landmark located at the caudal end of the medial surface of the brain. Its name comes from the Latin "calcar" meaning "spur". It is a complete sulcus.

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Cathode ray tube

The cathode ray tube (CRT) is a vacuum tube that contains one or more electron guns and a phosphorescent screen, and is used to display images.

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Central hypoventilation syndrome

Central hypoventilation syndrome (CHS) is a respiratory disorder that results in respiratory arrest during sleep.

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Central nervous system

The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.

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Cerebral cortex

The cerebral cortex is the largest region of the cerebrum in the mammalian brain and plays a key role in memory, attention, perception, cognition, awareness, thought, language, and consciousness.

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Cochlear nerve

The cochlear nerve (also auditory or acoustic neuron) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes, the other part being the vestibular nerve.

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Cochlear nucleus

The cochlear nuclear (CN) complex comprises two cranial nerve nuclei in the human brainstem, the ventral cochlear nucleus (VCN) and the dorsal cochlear nucleus (DCN).

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Cognitive neuroscience

The term cognitive neuroscience was coined by George Armitage Miller and Michael Gazzaniga in year 1976.

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Contingent negative variation

The contingent negative variation (CNV) was one of the first event-related potential (ERP) components to be described.

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Difference due to memory

Difference due to memory (Dm) indexes differences in neural activity during the study phase of an experiment for items that subsequently are remembered compared to items that are later forgotten.

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Early left anterior negativity

The early left anterior negativity (commonly referred to as ELAN) is an event-related potential in electroencephalography (EEG), or component of brain activity that occurs in response to a certain kind of stimulus.

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Electric potential

An electric potential (also called the electric field potential, potential drop or the electrostatic potential) is the amount of work needed to move a unit positive charge from a reference point to a specific point inside the field without producing any acceleration.

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Electricity

Electricity is the set of physical phenomena associated with the presence and motion of electric charge.

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Electrocardiography

Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.

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Electrodiagnostic medicine

Electrodiagnosis (EDX) is a method of medical diagnosis that obtains information about diseases by passively recording the electrical activity of body parts (that is, their natural electrophysiology) or by measuring their response to external electrical stimuli (evoked potentials).

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Electroencephalography

Electroencephalography (EEG) is an electrophysiological monitoring method to record electrical activity of the brain.

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Electromyography

Electromyography (EMG) is an electrodiagnostic medicine technique for evaluating and recording the electrical activity produced by skeletal muscles.

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Electrophysiology

Electrophysiology (from Greek ἥλεκτρον, ēlektron, "amber"; φύσις, physis, "nature, origin"; and -λογία, -logia) is the study of the electrical properties of biological cells and tissues.

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Electroretinography

Electroretinography measures the electrical responses of various cell types in the retina, including the photoreceptors (rods and cones), inner retinal cells (bipolar and amacrine cells), and the ganglion cells.

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Error-related negativity

Error-related negativity (ERN), sometimes referred to as the Ne, is a component of an event-related potential (ERP).

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Event-related potential

An event-related potential (ERP) is the measured brain response that is the direct result of a specific sensory, cognitive, or motor event.

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Evoked field

Evoked fields are part of the magnetoencephalogram.

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Evoked potential

An evoked potential or evoked response is an electrical potential recorded from the nervous system of a human or other animal following presentation of a stimulus, as distinct from spontaneous potentials as detected by electroencephalography (EEG), electromyography (EMG), or other electrophysiologic recording method.

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External occipital protuberance

Near the middle of the squamous part of occipital bone is the external occipital protuberance, the highest point of which is referred to as the inion.

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Group A nerve fiber

Group A nerve fibers are one of the three classes of nerve fiber as generally classified by Erlanger and Gasser.

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Group C nerve fiber

Group C nerve fibers are one of three classes of nerve fiber in the central nervous system and peripheral nervous system.

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Halogenation

Halogenation is a chemical reaction that involves the addition of one or more halogens to a compound or material.

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Human

Humans (taxonomically Homo sapiens) are the only extant members of the subtribe Hominina.

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Inferior colliculus

The inferior colliculus (IC) (Latin for lower hill) is the principal midbrain nucleus of the auditory pathway and receives input from several peripheral brainstem nuclei in the auditory pathway, as well as inputs from the auditory cortex.

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International Society for Clinical Electrophysiology of Vision

The International Society for Clinical Electrophysiology of Vision (ISCEV) is an association that promotes research and applications of electrophysiological methods (e.g. electroretinogram, electrooculogram, and visual evoked potentials) in clinical diagnosis of ophthalmological diseases.

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Intraoperative neurophysiological monitoring

Intraoperative neurophysiological monitoring (IONM) or intraoperative neuromonitoring is the use of electrophysiological methods such as electroencephalography (EEG), electromyography (EMG), and evoked potentials to monitor the functional integrity of certain neural structures (e.g., nerves, spinal cord and parts of the brain) during surgery.

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Late positive component

The late positive component or late positive complex (LPC) is a positive-going event-related brain potential (ERP) component that has been important in studies of explicit recognition memory.

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Lateral lemniscus

The lateral lemniscus is a tract of axons in the brainstem that carries information about sound from the cochlear nucleus to various brainstem nuclei and ultimately the contralateral inferior colliculus of the midbrain.

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Lateralized readiness potential

In neuroscience, the lateralized readiness potential (LRP) is an event-related brain potential, or increase in electrical activity at the surface of the brain, that is thought to reflect the preparation of motor activity on a certain side of the body; in other words, it is a spike in the electrical activity of the brain that happens when a person gets ready to move one arm, leg, or foot.

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Liquid-crystal display

A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals.

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Medial geniculate nucleus

The medial geniculate nucleus (MGN) or medial geniculate body (MGB) is part of the auditory thalamus and represents the thalamic relay between the inferior colliculus (IC) and the auditory cortex (AC).

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Median nerve

The median nerve is a nerve in humans and other animals in the upper limb.

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Medical diagnosis

Medical diagnosis (abbreviated Dx or DS) is the process of determining which disease or condition explains a person's symptoms and signs.

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Mirror neuron

A mirror neuron is a neuron that fires both when an animal acts and when the animal observes the same action performed by another.

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Mismatch negativity

The mismatch negativity (MMN) or mismatch field (MMF) is a component of the event-related potential (ERP) to an odd stimulus in a sequence of stimuli.

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Monitoring (medicine)

In medicine, monitoring is the observation of a disease, condition or one or several medical parameters over time.

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Multifocal technique

Multifocal techniques are used in electroretinogram and visual evoked potential recordings to separate the responses originating from the stimulation of different locations in the visual field (and thus different retinal locations).

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N100

In neuroscience, the N100 or N1 is a large, negative-going evoked potential measured by electroencephalography (its equivalent in magnetoencephalography is the M100); it peaks in adults between 80 and 120 milliseconds after the onset of a stimulus, and distributed mostly over the fronto-central region of the scalp.

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N170

The N170 is a component of the event-related potential (ERP) that reflects the neural processing of faces.

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N200 (neuroscience)

The N200, or N2, is an event-related potential (ERP) component.

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N2pc

N2pc refers to an ERP component linked to selective attention.

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N400 (neuroscience)

The N400 is a component of time-locked EEG signals known as event-related potentials (ERP).

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Nerve conduction study

A nerve conduction study (NCS) is a medical diagnostic test commonly used to evaluate the function, especially the ability of electrical conduction, of the motor and sensory nerves of the human body.

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Nervous system

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.

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Neural oscillation

Neural oscillations, or brainwaves, are rhythmic or repetitive patterns of neural activity in the central nervous system.

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Nitrous oxide

Nitrous oxide, commonly known as laughing gas or nitrous, is a chemical compound, an oxide of nitrogen with the formula.

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Noise

Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing.

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Oddball paradigm

The oddball paradigm is an experimental design used within psychology research.

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P200

In neuroscience, the visual P200 or P2 is a waveform component or feature of the event-related potential (ERP) measured at the human scalp.

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P300 (neuroscience)

The P300 (P3) wave is an event related potential (ERP) component elicited in the process of decision making.

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P3a

The P3a, or novelty P3, is a component of time-locked (EEG) signals known as event-related potentials (ERP).

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P3b

The P3b is a subcomponent of the P300, an event-related potential (ERP) component that can be observed in human scalp recordings of brain electrical activity.

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P600 (neuroscience)

The P600 is an event-related potential (ERP), or peak in electrical brain activity measured by electroencephalography (EEG).

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Peripheral nervous system

The peripheral nervous system (PNS) is one of the two components of the nervous system, the other part is the central nervous system (CNS).

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Peripheral neuropathy

Peripheral neuropathy (PN) is damage to or disease affecting nerves, which may impair sensation, movement, gland or organ function, or other aspects of health, depending on the type of nerve affected.

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Premovement neuronal activity

Premovement neuronal activity in neurophysiological literature refers to neuronal modulations that alter the rate at which neurons fire before a subject produces movement.

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Primary somatosensory cortex

The primary somatosensory cortex is located in the postcentral gyrus, and is part of the somatosensory system.

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Roll-off

Roll-off is the steepness of a transmission function with frequency, particularly in electrical network analysis, and most especially in connection with filter circuits in the transition between a passband and a stopband.

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Scalp

The scalp is the anatomical area bordered by the face at the front, and by the neck at the sides and back.

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Sense

A sense is a physiological capacity of organisms that provides data for perception.

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Signal-to-noise ratio

Signal-to-noise ratio (abbreviated SNR or S/N) is a measure used in science and engineering that compares the level of a desired signal to the level of background noise.

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Slow vertex response

A slow vertex response (SVR) is associated with electrophysiological recordings of the auditory system, specifically Auditory evoked potentials (AEPs).

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Somatosensory evoked potential

Somatosensory evoked potential (SEP or SSEP) is the electrical activity of the brain that results from the stimulation of touch.

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Somatosensory system

The somatosensory system is a part of the sensory nervous system.

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Spinal cord

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.

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Spinothalamic tract

The spinothalamic tract (also known as anterolateral system or the ventrolateral system) is a sensory pathway from the skin to the thalamus.

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Steady state visually evoked potential

In neurology and neuroscience research, steady state visually evoked potentials (SSVEP) are signals that are natural responses to visual stimulation at specific frequencies.

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Stimulus (physiology)

In physiology, a stimulus (plural stimuli) is a detectable change in the internal or external environment.

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Superior olivary complex

The superior olivary complex (or SOC or superior olive) is a collection of brainstem nuclei that functions in multiple aspects of hearing and is an important component of the ascending and descending auditory pathways of the auditory system.

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Surgery

Surgery (from the χειρουργική cheirourgikē (composed of χείρ, "hand", and ἔργον, "work"), via chirurgiae, meaning "hand work") is a medical specialty that uses operative manual and instrumental techniques on a patient to investigate or treat a pathological condition such as a disease or injury, to help improve bodily function or appearance or to repair unwanted ruptured areas.

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Thalamus

The thalamus (from Greek θάλαμος, "chamber") is the large mass of gray matter in the dorsal part of the diencephalon of the brain with several functions such as relaying of sensory signals, including motor signals, to the cerebral cortex, and the regulation of consciousness, sleep, and alertness.

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Tibial nerve

The tibial nerve is a branch of the sciatic nerve.

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Transcranial magnetic stimulation

Transcranial magnetic stimulation (TMS) is a method in which a changing magnetic field is used to cause electric current to flow in a small region of the brain via electromagnetic induction.

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Ulnar nerve

In human anatomy, the ulnar nerve is a nerve that runs near the ulna bone.

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Visual N1

The visual N1 is a visual evoked potential, a type of event-related electrical potential (ERP), that is produced in the brain and recorded on the scalp.

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Visual system

The visual system is the part of the central nervous system which gives organisms the ability to process visual detail, as well as enabling the formation of several non-image photo response functions.

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Volt

The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.

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References

[1] https://en.wikipedia.org/wiki/Evoked_potential

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