In the context of 'Learning Disabilities', when a learner exhibits severe inability to perform mathematical calculations, understand place value of numbers, and logically solve verbal mathematical problems, this specific learning disorder is known as which of the following and is associated with the functioning of which main brain region?

Understanding Learning Disabilities in Child Development

Learning disabilities are neurological conditions that affect the brain's ability to receive, process, store, and respond to information.

• Dyscalculia: A specific learning disability related to mathematics, making it difficult for children to understand numbers, mathematical symbols, and calculations.
• Neurobiological Basis: According to neuroscience, the parietal lobe, specifically the intraparietal sulcus, is the primary region responsible for numerical processing and spatial cognition.
• Functional Abnormality: Disruptions or functional abnormalities in this specific brain region lead to mathematical processing deficits known as dyscalculia.

Therefore, option B is the most accurate and scientifically correct answer.