Temporal Lobe Epilepsy

Temporal lobe epilepsy is a form of epilepsy that causes repeated seizures starting in one or both temporal lobes. The temporal lobes help process memory, emotions, sounds, language and awareness, so seizures in this area may cause unusual sensations, confusion, memory gaps or changes in behavior.

Temporal lobe seizures are a type of focal seizure, meaning they begin in one specific area of the brain. Some people remain aware during the seizure, while others have impaired awareness or progress to a larger seizure involving both sides of the brain.

Temporal lobe epilepsy is often described by where seizures begin:

• Mesial temporal lobe epilepsy: Seizures start in deeper structures of the temporal lobe, often near the hippocampus, which is important for memory.
• Lateral temporal lobe epilepsy: Seizures start in the outer portion of the temporal lobe and may affect hearing, language, awareness or visual processing.
• Drug-resistant temporal lobe epilepsy: Seizures continue despite appropriate anti-seizure medications and may require advanced testing, neurostimulation or surgery.

Temporal lobe epilepsy symptoms can vary from person to person. Some seizures begin with an aura, which is a warning sensation that is itself a seizure. Symptoms may include:

• Déjà vu, fear, anxiety or a sudden emotional shift
• A rising feeling in the stomach
• Unusual smells, tastes or sounds
• Staring, lip-smacking, swallowing or repetitive hand movements
• Confusion or trouble responding
• Memory gaps after the seizure
• Difficulty speaking or understanding language
• Sleepiness, headache or disorientation after the seizure

Some people may also have seizures that spread and become generalized, causing loss of consciousness, body stiffening or rhythmic jerking.

Temporal lobe epilepsy can develop when nerve cells in the temporal lobe send abnormal electrical signals. In some people, the cause is not clear. In others, it may be related to a prior brain injury, infection, tumor, stroke, abnormal brain development or scarring in the hippocampus.

Risk factors may include:

• A history of serious head injury
• Childhood seizures, especially prolonged febrile seizures
• Brain infection, such as meningitis or encephalitis
• Prior stroke
• Brain tumor or structural abnormality
• Family history of seizures or epilepsy

Temporal lobe epilepsy is diagnosed through a detailed medical history, seizure description, neurological exam and specialized testing. Your care team may ask about symptoms before, during and after seizures, including whether you experience auras, memory changes, confusion or repetitive movements.

Testing may include an electroencephalogram (EEG), which records brain activity and may show seizure patterns. Imaging such as MRI or CT may help identify scarring, tumors, bleeding or other structural causes. In some cases, longer monitoring, advanced imaging or neuropsychological testing may be used to locate where seizures begin and guide treatment planning.

Treatment for temporal lobe epilepsy usually begins with anti-seizure medication. Your neurologist will choose medication based on your seizure type, medical history, side effects, lifestyle and other health needs. Some people need medication adjustments over time to improve seizure control.

When seizures continue despite medication, additional options may be considered. These may include epilepsy surgery, laser ablation, responsive neurostimulation, vagus nerve stimulation or other advanced therapies. Baptist Health’s Epilepsy & Seizures team can help determine whether advanced evaluation is appropriate.

Uncontrolled temporal lobe epilepsy can affect safety, memory, mood, independence and daily activities. Seizures may increase the risk of falls, injuries, driving restrictions, sleep disruption and anxiety about when another seizure may occur.

Some people also experience memory or language changes, especially when seizures involve the dominant temporal lobe. Rarely, epilepsy can be associated with serious complications, including prolonged seizures or sudden unexpected death in epilepsy. Prompt diagnosis and consistent treatment can help reduce these risks.

Temporal lobe epilepsy cannot always be prevented, especially when the cause is genetic, developmental or unknown. However, you may be able to reduce seizure risk or improve seizure control by taking medication as prescribed, getting enough sleep, avoiding known seizure triggers and following your care plan.

Ways to support seizure control include:

• Take anti-seizure medicine exactly as directed
• Keep regular follow-up appointments
• Avoid sleep deprivation and excessive alcohol consumption
• Manage stress and illness when possible
• Use helmets, seat belts and safety precautions to reduce head injury risk
• Track seizures and possible triggers

If you have symptoms of temporal lobe epilepsy or a new seizure, schedule an evaluation with a neurologist. Seek emergency care for a seizure lasting more than five minutes, repeated seizures without recovery, trouble breathing, injury, pregnancy, diabetes or a first-time seizure.

To schedule a visit with a Baptist Health Brain & Spine Care provider, fill out an appointment request form or call 833-596-3876.