The Temporal Lobe is an important part of the brain that contains some structures acting variety of functions, such as auditory processing, language comprehension, memory, smell, and the emotions. about calcified granuloma it means small nodular brain parenchymal lesion for long time to contain calcification, it occurs due to many chronic or old causes like congenital infections, difficult birth with decreased blood supply to the brain during labor, trauma, stroke, inflammations or warm infestations, anyway it is usually asymptomatic , but in some cases it cause headache and less evident epilepsy or neurological symptoms if it affect any of the fore-mentioned neurological centers, so you must consult your neurologist to assess your son neurological state and if there is any neurological deficit.