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What is EP

Chapter 11
Examining Biological Foundations of Human Behavior
An evoked potential (EP)or evoked response is an electrical potential recorded from the nervous system after the presentation of a stimulus. Neuroelectrical responses to sensory stimuli can be readily and non-invasively recorded using this averaging technique first employed by Dawson (1947) . To generate EP record, the EEG may be used to measure brain activity following a sensory stimulus.
Published in Chapter:
Functional Human Brain Mapping
Shahzadi Malhotra (Chacha Nehru Hospital, India) and Gaurav Rajender (SMS Medical College and Hospital, India)
Copyright: © 2020 |Pages: 15
DOI: 10.4018/978-1-7998-2860-0.ch011
Abstract
Neuroimaging plays a crucial role in psychiatry and mental health as it can potentially be used to identify causal factors, biomarkers of a disorder, prognosis or treatment, elucidate biological pathways along with informing and monitoring newer therapies. Early and prophylactic interventions present an emerging future direction in clinical psychiatry, and neuroimaging has the potential to help in identification of individuals at risk and monitor the effects of intervention. In the chapter an attempt is made to elaborate the concept of brain mapping, and differences between structural and functional brain imaging are discussed. The chapter focusses on advent of neuroimaging in psychiatry along with discussing the major functional neuroimaging techniques.
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