![]() Since attention disorders can result from different brain system damages and initiate at different stages of development, there will be a variety of attention deficit patterns. ![]() In animal and human pathological studies, it has been concluded that the posterior parietal lobe region, the external posterior thalamus, prefrontal cortex and the upper colliculus play a key role in attention control moreover, the anterior cingulate is especially active in selective attention, and the right hemisphere, particularly the pre-frontal cortex, is associated with the ability of sustained attention ( 3). Furthermore, in the attention system, there are separate and specific regions and networks that work separately from each other ( 2). Without attention, perception would be impaired, and the surrounding world will be meaningless and confusing ( 1).Īccording to Posner’s structural equation model, there are exclusive systems in the brain for attention, which can be separated from other cognitive and perception systems. BackgroundĪttention deficiency can affect all cognitive functions. Reliability Validity Test of Everyday Attention for Children 1. Furthermore, attention needs to be assessed by special tools and the results revealed that TEA-Ch is designed to achieve this goal. According to the results, the test is valid and reliable and can be used for normal Iranian children. ![]()
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