Exam 1: Foundations

Perception primarily differs from sensation in that only perception involves

Describe a neuroimaging study that could be used to investigate the presence of a brain area specialized for the processing of faces.(For this question,you need to think of the appropriate visual stimuli to present to participants. )

Positron emission tomography (PET)indirectly measures neural activity by measuring

The idea that perception depends on the combined activity of many specialized neurons,each of which responds to specific aspects of a stimulus defines the

According to the "law of specific nerve energies," the reason the brain interprets certain incom- ing signals as being visual information is that these signals

During the action potential,the membrane potential reaches a peak of

A person's knowledge,expectations,and goals are referred to as

Using examples from three different senses,describe three activities in which you need to detect small differences in the intensity of sensory stimuli.What role does your difference threshold play in each activity?

You and a friend jump into a pool,forgetting you are both still carrying your smart phones.Your smart phone now has no sound but has a picture.Your friend's identical phone has sound but no picture.Is this a single or double dissociation? Discuss whether this pattern implies the existence of sound and picture modules within the phones.

The wavelengths of the visible spectrum

An axon's membrane potential results from

The process of transduction occurs in

An example of a distal stimulus would be ,while an example of a proximal stimu- lus would be .

Our sense of the position of our limbs as well as our feeling of their movement is known as

In a signal detection experiment,the value of d` is a function of

In a single-cell recording,

Describe five distal stimuli and their associated proximal stimuli that you are experiencing in your present environment;no two stimuli should be from the same perceptual dimensions.For each of these distal stimuli,describe the top-down processes used in perceiving it.

According to signal detection theory,saying "yes" after a signal is presented is considered a

Most neural signals originating in the sensory organs pass through which subcortical structure?

Muller's states that "the kinds of perceptions we have depend on which neurons are activated,not on what's activating those neurons."