Stroop effect: the brain’s response to stimuli


Self-regulation of behavior begins around the first year of a child’s life. We move on to the inhibitory capacity of the response to irrelevant stimuli to achieve a goal present in the brain. Any stimulus from the outside world determines two types of response. One is imposed on the individual almost automatically, the other is chosen with awareness towards the goal to be achieved. The essential thing is to learn to inhibit the dominant response so that the action is in line with the data contained in the mind . So not with natural inclinations.


The Stroop effect is one of the most used tests for the study of inhibitory control. It is aimed at verifying the ability to respond correctly in the event of stimulus interference. The test consists of showing words written in different colors . The color of the ink in which the word is written must be pronounced aloud. The important information is the color, while the meaning of the word is not. The Stroop effect is meant to create cognitive interference.

The mind, for example, tends to mechanically read the meaning of the word. This is why the study of selective attention is also needed . There are two types of mental operations: the non-conscious (automatic) ones are activated without consciousness, on the other the conscious (controlled) ones are activated with our awareness. With the test experiment it is therefore possible to test the ability of individuals to inhibit the interference between processes.

  • What is the Stroop effect and how the experiment works to understand how the brain responds to stimuli (


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