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Brain Dev. 2018 Jan;40(1):2-15. doi: 10.1016/j.braindev.2017.07.010. Epub 2017 Aug 10.

A survey on stimuli for visual cortical function assessment in infants.

Author information

1
Faculty of Electrical Engineering, K.N. Toosi University of Technology, Tehran, Iran; Inserm UMR 1105, Faculté de Médecine, Université de Picardie Jules Verne, Amiens, France. Electronic address: f.daneshvarfard@ee.kntu.ac.ir.
2
Faculty of Computer Engineering, K.N. Toosi University of Technology, Tehran, Iran. Electronic address: n.maarefi@email.kntu.ac.ir.
3
Faculty of Electrical Engineering, K.N. Toosi University of Technology, Tehran, Iran; Inserm UMR 1105, Faculté de Médecine, Université de Picardie Jules Verne, Amiens, France. Electronic address: hamid.abrishami@u-picardie.fr.
4
Inserm UMR 1105, Faculté de Médecine, Université de Picardie Jules Verne, Amiens, France; Inserm UMR 1105, Centre Hospitalier Universitaire d'Amiens, Amiens, France. Electronic address: fabrice.wallois@u-picardie.fr.

Abstract

Visual processing, as a significant and complex functionality of the human brain, changes during the life span with the most developmental changes in the infancy. Different types of visual stimuli are needed for evaluating different functionalities of the infants' visual system. Selecting appropriate visual stimuli is an important issue in evaluating visual cortical functions in infants. Properties of stimulation influence responses of visual system and must be adjusted according to the age and specific function which is going to be investigated. In this review, the most commonly used stimuli to elicit visual evoked potentials (VEPs) are evaluated and characteristics of VEPs extracted by these stimulations are studied. Furthermore, various studies investigating different functionalities such as selectivity for orientation and directional motion are presented. Valuable results regarding emerging and maturation times of different functions and normative data for clinical diagnosis are provided by these studies.

KEYWORDS:

Infants; Visual evoked potentials; Visual functionality; Visual stimuli

PMID:
28803681
DOI:
10.1016/j.braindev.2017.07.010
[Indexed for MEDLINE]

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