Chapter 3 Sensation & Perception Flashcards
(34 cards)
What is Sensation?
Process of detecting a physical stimulus
What is Perception?
Process of integrating, organizing, & interpreting sensation
Sensation uses what part of the nervous system?
Peripheral Nervous System
Perception uses what part of the nervous system?
Central Nervous System
What are sensory receptors?
Specialized cells unique to each sense organ
What does Transduction do?
The process of converting energy
What is the Absolute Threshold?
How much of a threshold in order to have a response
What is the Difference Threshold?
A noticeable difference
Weber’s Law states…
In order to detect a significant signal there needs to be a a change
What does the Pupil do?
lets in different amount of light
What does the Lens do?
Actively focuses or bends light as it enters the eye
What does Accommodation do?
changes shape to focus incoming light
Whats the difference between Constrict and Dilate?
Constrict makes the pupil small, Dilate makes the pupil big
What does the Optical Nerve do?
Responsible for sight
Rods are responsible for…
Shapes
Cones are responsible for…
Colors
Rods and Cones are what kind of cells?
Sensory Cells
Synesthesia
2 sense perceived at the same time
Hyper-connectivity
Too much stimulation
How do we interpret vision?
Through the Occipital Lobe
What are the 2 most common forms of color blindness?
Red & Green
Blue & Green
Is color blindness more common in men or women?
Men
What are the 6 Sound Waves?
- Loudness
- Amplitude
- Decibel
- Pitch
- Frequency
- Timbre
What are the 5 Pathways of Sound?
- Outer ear
- Eardrum
- Middle Ear
- Inner Ear
- Cochlea
