Ramachandran was able to show that patients with TLE showed enhanced emotional responses to the religious words, diminished responses to the sexually charged words, and normal responses to the neutral words. This study was presented as an abstract at a neuroscience conference and referenced in Ramachandrans book, Phantoms in the Brain, but it has never been published in the peer-reviewed scientific press.A study in 2015, reported that intrinsic religiosity and religiosity outside of organized religion were higher in patients with epilepsy than in controls. Lower education level, abnormal background EEG activity, and hippocampal sclerosis have been found to be contributing factors for religiosity in TLE.TLE has been suggested as a materialistic explanation for the revelatory experiences of prominent religious figures such as Abraham, Moses, Jesus, Mohammed, Saint Paul, Joan of Arc, Saint Teresa of Ávila, and Joseph Smith. These experiences are described (in possibly unreliable accounts) as complex interactions with their visions; but possibly (and dependent on the reliability of historical accounts, often made by acolytes) lack the stereotypy, amnestic periods, and automatisms or generalized motor events, which are characteristic of TLE. Psychiatric conditions with psychotic spectrum symptoms might be more plausible physical explanation of these experiences. It has been suggested that Pope Pius IXs doctrine of the immaculate conception was influenced by his forensically diagnosed partial epilepsy.In 2016, a case history found that a male temporal lobe epileptic patient experienced a vision of God following a temporal lobe seizure, while undergoing EEG monitoring.
Neuronal loss on the right is more prominent in non-verbal (visuospatial memory loss). Childhood onset
After childhood onset, one third will "grow out" of TLE, finding a lasting remission up to an average of 20 years. The finding of a lesion such as hippocampal sclerosis (a scar in the hippocampus), tumour, or dysplasia, on magnetic resonance imaging (MRI) predicts the intractability of seizures. Personality
The effect of temporal lobe epilepsy on personality is a historical observation dating to the 1800s. Personality and behavioural change in temporal lobe epilepsy is seen as a chronic condition when it persists for more than three months.Geschwind syndrome is a set of behavioural phenomena seen in some people with TLE. Documented by Norman Geschwind, signs include: hypergraphia (compulsion to write (or draw) excessively), hyperreligiosity (intense religious or philosophical experiences or interests), hyposexuality (reduced sexual interest or drive), circumstantiality (result of a non-linear thought pattern, talks at length about irrelevant and trivial details). The personality changes generally vary by hemisphere.The existence of a "temporal lobe epileptic personality" and of Geschwind syndrome have been disputed and research is inconclusive. Causes
The causes of TLE include mesial temporal sclerosis, traumatic brain injury, brain infections, such as encephalitis and meningitis, hypoxic brain injury, stroke, cerebral tumours, and genetic syndromes. Temporal lobe epilepsy is not the result of psychiatric illness or fragility of the personality. Febrile seizures
Although the theory is controversial, there is a link between febrile seizures (seizures coinciding with episodes of fever in young children) and subsequent temporal lobe epilepsy, at least epidemiologically.