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Related Concept Videos

Postsynaptic Potential (PSP)01:32

Postsynaptic Potential (PSP)

Postsynaptic potential (PSP) refers to a change in the electrical potential of a neuron when neurotransmitters released by presynaptic neurons bind to postsynaptic receptors. This potential can either be excitatory, leading to depolarization and ultimately action potential generation, or inhibitory, leading to hyperpolarization and suppression of the postsynaptic neuron.
There are two types of receptors: ionotropic and metabotropic.
The ionotropic receptor is the membrane protein that has an...
Action Potential: Phases of Stimulation01:28

Action Potential: Phases of Stimulation

The action potential is a complex electrical event that occurs in excitable cells, such as neurons and muscle cells. It consists of several distinct phases, each with specific characteristics.
Resting Phase:
In this phase, the cell's membrane is at its resting potential, typically around -70 millivolts (mV) for neurons. Inside the cell, there is a higher concentration of potassium ions (K+) and a lower concentration of sodium ions (Na+). Voltage-gated sodium channels are closed, and...
Action Potential01:14

Action Potential

Neurons communicate by firing action potentials—the electrochemical signal that is propagated along the axon. The signal results in the release of neurotransmitters at axon terminals, thereby transmitting information to the nervous system. An action potential is a specific "all-or-none" change in membrane potential that results in a rapid spike in voltage.
Membrane potential in neurons
Neurons typically have a resting membrane potential of about -70 millivolts (mV). When they receive...

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Related Experiment Video

Updated: Jun 5, 2026

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners
09:52

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

Published on: May 31, 2018

Event-related potential: An overview.

Shravani Sur1, V K Sinha

  • 1Department of Psychiatry, RINPAS, Ranchi, India.

Industrial Psychiatry Journal
|January 15, 2011
PubMed
Summary
This summary is machine-generated.

Electroencephalography (EEG) and event-related potentials (ERPs) reveal brain activity linked to neurotransmission and cognitive processes. This overview examines ERP waveforms and their findings in psychiatric conditions.

Keywords:
Event-related potentialNeurotransmissionPsychiatric disorders

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Last Updated: Jun 5, 2026

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09:52

How to Find Effects of Stimulus Processing on Event Related Brain Potentials of Close Others when Hyperscanning Partners

Published on: May 31, 2018

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Published on: April 16, 2010

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Area of Science:

  • Neuroscience
  • Psychiatry

Background:

  • Electroencephalography (EEG) measures brain electrical activity.
  • Event-related potentials (ERPs) are time-locked EEG responses to stimuli.
  • ERPs offer insights into neural processing in psychiatric disorders.

Purpose of the Study:

  • To provide an overview of ERP waveforms.
  • To summarize major ERP findings in psychiatric conditions.

Main Methods:

  • Review of existing literature on ERPs.
  • Analysis of ERP waveform characteristics.
  • Correlation of ERP findings with psychiatric diagnoses.

Main Results:

  • Detailed description of various ERP components.
  • Summary of altered ERP patterns in conditions like schizophrenia, depression, and anxiety.
  • Highlighting ERPs' potential as biomarkers.

Conclusions:

  • ERPs are valuable tools for understanding neurobiological dysregulation in psychiatric disorders.
  • Specific ERP alterations are associated with distinct psychiatric conditions.
  • Further research can refine ERPs for diagnostic and therapeutic applications.