Here's a breakdown:
* Physical stimuli: These are things in the environment that we can sense, like light, sound, touch, taste, and smell.
* Neural signals: These are electrical and chemical signals that travel through our nervous system, carrying information about the stimuli.
How it works:
1. Sensory receptors: Specialized cells in our sense organs detect the physical stimuli.
2. Transduction: These receptors convert the stimuli into electrical signals.
3. Neural pathways: The signals then travel along specific neural pathways to the brain.
4. Interpretation: The brain processes these signals and interprets them as sensations, allowing us to perceive the world around us.
Examples:
* Sight: Light energy is converted into neural signals by photoreceptor cells in the retina.
* Hearing: Sound waves are converted into neural signals by hair cells in the inner ear.
* Touch: Pressure and temperature are converted into neural signals by mechanoreceptors and thermoreceptors in the skin.
Transduction is a crucial step in sensory perception, allowing us to make sense of the world through our senses.