3.01 The Senses

In the context of sensory analysis, what is the opposite of bottom-up processing?

• Absolute threshold

• Top-down processing

• Difference threshold

• Sensation

What is the term for the minimal change in stimulation that can be detected 50% of the time?

• Absolute threshold

• Difference threshold

• Sensory adaptation

• Perception

Weber's Law states that the intensity of the jnd depends upon how large the stimulus is. True or False?

• True

• False

The process of taking in raw sensory stimulus is known as ____.

• Top-down processing

• Bottom-up processing

• Perception

• Absolute threshold

What is the process called when a child sees an object for the first time and tries to make sense of it?

• Perception

• Sensation

• Bottom-up processing

• Top-down processing

Perception is completely subjective and based on individual experience. True or False?

• True

• False

Which of the following influences the brightness of light?

• Wavelength

• Frequency

• Intensity

• Amplitude

Which type of electromagnetic wave has a shorter wavelength than visible light?

• Infra-red

• Ultra-violet

• Microwave

• Radio waves

Fill in the blank: The ______ is the light-sensitive surface at the back of the eye.

• A) Iris

• B) Lens

• C) Retina

• D) Pupil

Where are most cones clustered in the eye?

• Optic nerve

• Fovea

• Cornea

• Lens