Post-traumatic Epilepsy
Post-traumatic Epilepsy - Related Videos
07:07
Inducing Post-Traumatic Epilepsy in a Mouse Model of Repetitive Diffuse Traumatic Brain Injury
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Cited by 17 •
2020
This systematic protocol describes a new animal model of post-traumatic epilepsy after repetitive mild traumatic brain injury. The first part details steps for traumatic brain injury induction using a modified weight drop model. The second part provides instructions on the surgical approach for single- and multi-channel electroencephalographic data acquisition systems.
01:27
Post-traumatic Stress Disorder
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2025
Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium. Symptoms and Behavioral Manifestations A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events, are a...
01:47
Technique to Induce Post-Traumatic Seizures in a Mouse Model via a Weight Drop Traumatic Injury
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2025
Source: Shandra, O. et al., Inducing Post-Traumatic Epilepsy in a Mouse Model of Repetitive Diffuse Traumatic Brain Injury. J. Vis. Exp.
08:42
A Reproducible Cartilage Impact Model to Generate Post-Traumatic Osteoarthritis in the Rabbit
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Cited by 2 •
2023
The open medial femoral condyle impact model in rabbits is reliable for studying post-traumatic osteoarthritis (PTOA) and novel therapeutic strategies to mitigate PTOA progression. This protocol generates an isolated cartilage defect of the posterior medial femoral condyle in rabbits using a carriage-based drop tower with an impactor head.
03:15
Deep Transcranial Magnetic Stimulation to Alleviate Symptoms of Post-Traumatic Stress Disorder
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2025
Source: Tendler, A., et al. How to Use the H1 Deep Transcranial Magnetic Stimulation Coil for Conditions Other than Depression. J. Vis. Exp. (2017)This video demonstrates the use of deep transcranial magnetic stimulation (dTMS) to alleviate symptoms of post-traumatic stress disorder, or PTSD. It begins by identifying reduced activity in the medial prefrontal cortex (mPFC) as a key factor contributing to the overactivation of the amygdala and heightened fear responses. By applying targeted...
FAQs
Neuronal loss removes elements of existing brain circuits, while gliosis and inflammation alter the tissue environment after injury. Together, these changes can promote remodeling of excitatory and inhibitory connections. The resulting network reorganization may increase the likelihood that surviving circuits become hyperexcitable, helping explain why seizure susceptibility can develop after the original traumatic event rather than immediately.
The latent period indicates that epileptogenesis can unfold gradually between the initial brain injury and the appearance of recurrent, unprovoked seizures. This interval allows researchers to examine progressive circuit changes instead of viewing epilepsy as an immediate consequence of trauma. It also creates an important window for investigating biomarkers and preventive treatments before established seizures emerge.
Circuit remodeling can shift the balance between excitatory and inhibitory neural activity, producing hyperexcitable networks. Those network changes may influence more than seizure occurrence because the same altered neural systems support learning, memory, anxiety, social interaction, and emotional regulation. Studying these behavioral domains helps connect cellular and circuit-level injury mechanisms with long-term functional outcomes.
Epileptogenesis refers to the progressive neural process through which injury-related changes create seizure-prone networks. Behavioral consequences are the observable changes that may accompany this process, including altered learning, memory, anxiety, social interaction, or emotional regulation. Separating these concepts helps researchers determine whether a behavioral change reflects network remodeling, recurrent seizures, or both.
Researchers combine clinical observations with experimental models to examine seizure development alongside behavioral change. This approach can relate the timing and occurrence of seizures to outcomes in learning, memory, anxiety, social interaction, and emotional regulation. Comparing observations across these settings supports analysis of how traumatic injury alters neural function and behavior over time.
Studies focus on learning and memory, anxiety, social interaction, and emotional regulation because these domains may change as injured neural circuits are remodeled. Examining several outcomes rather than seizure activity alone provides a broader picture of post-injury function. The pattern of behavioral changes can help clarify how altered networks affect cognition, emotion, and social behavior.
By tracking seizure development together with neural and behavioral changes, researchers can search for indicators associated with progression toward epilepsy. These biomarkers may help identify relevant stages of epileptogenesis and evaluate whether an intervention changes the injury-related process. The broader goal is to test preventive treatments and clarify which circuit changes are linked to later behavioral dysfunction.