Related Experiment Video
Updated: Aug 10, 2026

12:43
A Protocol for Comprehensive Assessment of Bulbar Dysfunction in Amyotrophic Lateral Sclerosis (ALS)
Published on: February 21, 2011
Speech and memory assessment in psychomotor epileptics
Summary
Temporal lobe epilepsy surgery can impact memory. Left or dominant temporal lobectomies caused greater memory deficits than right or non-dominant side surgeries, affecting both recent and long-term recall.
Area of Science:
- Neuroscience
- Epilepsy Surgery
- Cognitive Function
Background:
- Temporal lobe epilepsy is a common neurological disorder.
- Surgical intervention, such as temporal lobectomy, is a treatment option for refractory seizures.
- Understanding the cognitive sequelae of epilepsy surgery is crucial for patient management.
Purpose of the Study:
- To assess the impact of temporal lobectomy on speech and memory abilities.
- To compare cognitive outcomes between left/dominant and right/non-dominant temporal lobectomies.
- To evaluate memory deficits in patients undergoing epilepsy surgery.
Main Methods:
- Speech and memory abilities were assessed in 36 patients (30 post-lobectomy, 6 electrode implantation only).
- The Boston Diagnostic Aphasia Examination was used for speech assessments.
- Memory was evaluated using tests of recent verbal memory and long-term memory.
Main Results:
- No significant differences in speech abilities were found between groups.
- Patients with left or dominant temporal lobectomies exhibited greater memory deficits.
- Memory deficits were observed in both recent verbal and long-term memory assessments.
Conclusions:
- Temporal lobectomy for epilepsy can lead to memory impairment.
- The side of the temporal lobectomy influences the severity of memory deficits.
- Left or dominant-sided resections appear to pose a higher risk for memory dysfunction.

