What condition signifies that a dog is only responsive to strong stimuli?

Stupor is a condition indicating that the dog can only respond to strong or painful stimuli. In this state, the animal is typically unresponsive to normal environmental interactions and may only react when sufficiently provoked, such as through a painful stimulus.

This physiological state occurs when there is a significant level of central nervous system dysfunction. It is an important clinical indicator of neurological impairment and requires prompt evaluation to determine the underlying cause.

In contrast, other terms such as "BAR" (Bright, Alert, and Responsive) describe a healthy state where the dog is fully engaged and responsive to its environment. "QAR" (Quiet, Alert, but Responsive) indicates a dog that is less active but still responsive to common stimuli, typically signifying a slightly less optimal state than "BAR." "Coma" reflects a deeper level of unresponsiveness than stupor, where the dog does not respond even to strong stimuli, highlighting a more severe neurological condition. Thus, recognizing stupor as the state of responsiveness limited to strong stimuli is critical for understanding canine health assessments.