I have a little brother, he is 7 years old. At school he has problems with learning, especially with reading, doesn't keep attention to the task, has difficulties in communicating with peers; he also is silent. And also misunderstanding of other people's instructions and just freezing. He quickly forgets the material he has covered, there is no cognitive activity, lack of skills in the thought process.

He underwent an MRI and EEG examination: MRI data for organic brain damage and the presence of focal lesions were not identified. EEG data are the same, there are no deviations from the norm. There are indirect signs of intracranial hypertension.

Is it intellectual disability or not?