👉 Stenobregma, also known as a brainstem hemispheric gap, is a structural abnormality in the human brain that occurs when the left and right cerebral hemispheres are separated by a gap or hole. This can result in a loss of information from the left hemisphere to the right hemisphere, which can affect speech production, motor coordination, and cognitive functions. The exact cause of stenobregma is not fully understood, but it has been linked to changes in brain structure