Epilepsy: Definition, Types, Triggers, Therapy

Brief overview Symptoms: Epileptic seizures of varying severity from mere “mental absence” (absence) to convulsions and subsequent twitching with unconsciousness (“grand mal”); localized (focal) seizures also possible Treatment: Usually with medication (antiepileptic drugs); if these do not have sufficient effect, surgery or electrical stimulation of the nervous system (such as vagus nerve stimulation), if necessary. … Epilepsy: Definition, Types, Triggers, Therapy

Seizure: Symptoms, Causes

Brief overview Description: Involuntary event with convulsive or jerking movements, possibly with loss of consciousness. Causes: Usually epilepsy, sometimes with a specific trigger (such as increased intracranial pressure, hypoglycemia, encephalitis), but usually without; more rarely non-epileptic seizures such as febrile convulsions in children or seizures as a result of a stroke. Treatment: First aid measures … Seizure: Symptoms, Causes

Single Photon Emission Computed Tomography: Treatment, Effects & Risks

Single-photon emission computed tomography (SPECT) is part of the examination spectrum of nuclear medicine. Its purpose is to assess metabolism and thus function in various organ systems. This is made possible by means of a radiopharmaceutical administered to the patient, the distribution of which in the body is made visible in the form of cross-sectional … Single Photon Emission Computed Tomography: Treatment, Effects & Risks

Microcephaly: Causes, Symptoms & Treatment

Microcephaly is one of the rarer malformations in humans. It is either genetic or acquired and is primarily manifested by a skull circumference that is too small. Children born with microcephaly often also have a smaller brain and show other physical and mental developmental abnormalities. However, there are also cases of microcephaly in which young … Microcephaly: Causes, Symptoms & Treatment

Messenger Substances: Structure, Function & Diseases

Messenger substances are signaling substances that serve to transmit signals and information between organisms or between the cells of an organism. In this process, the signaling substances fulfill different functions. Disruptions in signaling within an organism can lead to significant health problems. What are second messengers? Messenger substances represent differently structured chemical substances that transmit … Messenger Substances: Structure, Function & Diseases

Lateralization of the Brain: Function, Tasks, Role & Diseases

Brain lateralization refers to the structural and functional differences between the hemispheres of the cerebrum. Functional differences crystallize a left-hemispheric dominance in language processes. In childhood brain lesions, the hemispheres compensate for the damage entirely. What is brain lateralization? Brain lateralization refers to the structural and functional differences between the hemispheres of the cerebrum. The … Lateralization of the Brain: Function, Tasks, Role & Diseases