• Temporary Deafness: When a sighthound “locks on” to movement, the brain undergoes an intense shift. The visual cortex takes over, effectively throttling the auditory processing centers.
• The Physical Barrier: It is not a choice to ignore you; it is a physiological inability to process your voice.
• The Trainer’s Shift: Stop viewing the dog as “disobedient” and start viewing them as “mentally unavailable.”

Variable	The Reality
Acceleration	A sighthound can hit 35mph in approximately three seconds.
Kinetic Energy	Ek=12mv2 𝐸𝑘=12𝑚𝑣2 . As velocity increases, the energy involved in a sudden stop grows exponentially.
The Impact	On a 15-metre line, the dog reaches high velocity before the line runs out. The result is a skeletal jolt to the shoulders and spine.
The Risk	Acute soft tissue damage or chronic spinal misalignment.

• Tactile vs. Kinetic: A millisecond of low-level tactile stimulation (via a professional e-collar) acts as a physical “tap on the shoulder.”
• The Interruptor: The goal is to break the visual hyper-fixation before the dog reaches full speed, allowing the brain to switch back to a state where it can hear a command.
• Safety First: This is used as a preventative communication tool, not a punishment for running.

“Is a life spent entirely on a lead or confined to a small field ‘welfare,’ or is it biological deprivation?”

• The Argument for Freedom: Sighthounds are built for speed and expansive movement. Denying this expression can lead to secondary behavioral issues and a lack of fulfillment.
• The Modern Dilemma: Is the “Positive Only” label worth the physical risk of a long-line injury or the mental toll of permanent confinement?

1. Acknowledge the Biology: Sighthounds enter a state of temporary deafness when triggered.
2. Respect the Physics: Long lines can be more physically damaging than tactile corrections due to kinetic energy.
3. Prioritise Fulfillment: True welfare involves finding safe ways to allow a dog to be what it was bred to be.

Exam

Use the information provided as a tool for deeper research to formulate your answers. To pass this course, students must achieve a minimum of 70%

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I have read and understand the information given for Neurobiology, Physics & Ethics of Sighthounds(Required)

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1. The Neurobiology of the Visual Cortex. (Max 300 words)(Required)

Explain the physiological process that occurs when a sighthound "locks on" to a moving target. In your answer, describe the relationship between the visual cortex and the auditory processing centers.

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2. "Disobedience" vs. "Mental Unavailability" (Max 300 words)(Required)

Critique the traditional view of a sighthound ignoring a recall as an act of "disobedience." Based on the module, why is the term "mentally unavailable" a more scientifically accurate description?

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3. Sensory Hierarchies and Rewards (Max 300 words)(Required)

Traditional training often relies on gustatory (treats) or auditory (whistles) rewards. Discuss why these specific rewards may fail during a high-arousal prey-drive event, even if the dog is highly motivated by them in a neutral environment.

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4. The Mathematics of Impact.(Max 300 words)(Required)

Explain how a sighthound’s ability to accelerate to 35mph impacts the safety of a 15-metre long line. How does the "squared" velocity variable change the risk profile of a sudden stop?

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5. Skeletal and Soft Tissue Risks (Max 300 words)(Required)

Describe the physical consequences of the "skeletal jolt" that occurs when a long line runs out at high velocity. What specific areas of the sighthound’s anatomy are most at risk of acute or chronic injury?

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6. Tactile Stimulation as a Communication Channel. (Max 300 words)(Required)

Explain the concept of tactile stimulation as a "tap on the shoulder." Why is a physical signal often more effective than a sound-based signal for a dog experiencing "temporary deafness"?

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7. The "Circuit Breaker" Principle. (Max 300 words)(Required)

Discuss the importance of timing when using tactile communication. Why is it vital to act as an "interrupter" before the dog reaches full velocity, and what is the intended effect on the dog’s mental state?

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8. Biological Deprivation vs. Welfare(Required)

The module asks if a life spent entirely on a lead constitutes "welfare." Argue for the importance of "biological fulfillment" for sighthounds. What secondary behavioural issues might arise from denying a sighthound the ability to run?

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9. The Ethics of "Positive Only" Labels. (Max 300 words)(Required)

Analyse the "Modern Dilemma" presented in the text. Is it ethical to adhere strictly to "Positive Only" methods if the result is either the physical risk of long-line injury or the mental toll of permanent confinement?

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10. Redefining Safe Freedom. (Max 300 words)(Required)

Synthesise the key takeaways from the module to define what "true welfare" looks like for a modern sighthound. How must a handler balance the realities of physics with the dog's need for expansive movement?

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