A prolonged series of generalized convulsions without any period of consciousness between them is referred to as:

A prolonged series of generalized convulsions without any period of consciousness between them is referred to as status epilepticus. This medical emergency is characterized by continuous seizures or recurrent seizures without regaining consciousness in between. It typically lasts longer than five minutes and can pose serious risks to brain health and overall well-being due to the prolonged seizure activity.

In status epilepticus, the brain is in a state of persistent seizure activity, which can lead to neuronal injury and potentially result in permanent damage if not promptly treated. The immediate medical response often involves the administration of anticonvulsant medications to break the seizure cycle.

In contrast, other conditions listed—such as pseudobulbar palsy, complex partial seizures, and Todd's paralysis—do not specifically involve the continuous nature of generalized convulsions with unbroken periods of consciousness. Pseudobulbar palsy affects the control of facial and throat muscles but is unrelated to seizure activity. Complex partial seizures involve a loss of consciousness but may not have the textbook definition of being generalized or prolonged. Todd's paralysis is a temporary weakness following a seizure, typically lasting minutes to hours, indicating a postictal state rather than ongoing seizure activity.