Which of the following is NOT a major type of seizure?

The correct answer identifies "partial tonic-clonic" as not being a major type of seizure. In the classification of seizures, they are broadly categorized into generalized seizures and focal (formerly known as partial) seizures.

Generalized tonic-clonic seizures involve the entire brain and are characterized by a combination of tonic (stiffening) and clonic (shaking) phases. Absence seizures primarily affect consciousness and are often brief episodes of staring. Myoclonic seizures involve sudden, brief muscle jerks.

The term "partial tonic-clonic" is a misnomer because seizures that start in one area of the brain and potentially can generalize are classified as focal seizures, which can become generalized. The correct term for the major types of seizures includes focal seizures and generalized seizures, but "partial tonic-clonic" is not recognized as a distinct category within the major seizure types. This distinction clarifies the classification and helps in understanding seizure presentations and management.