Describe how humans sense the environment? Explain the process of transduction. 2. What are absolute thresholds? Using Signal Detection Theory, explain why our sensitivity to sensations varies over the day. 3. Explain how light wavelengths are transformed in vision and the perception of colour 4. Explain the difference between the sensation of pain and the perception of pain.   Task B1: Tutorial or online activity with specific questions to be answered List and explain the six Gestalt laws- for each law, provide a pictorial (real life) example of each (can include advertising symbols and neon lights etc).