Psych exam 4 launchpad

In terms of our sensory experience of light, wavelength is to _____ as wave intensity is to _____.

Hue, brightness

The ability to hear the tick of a watch at 20 feet is an example of a(n):

Absolute threshold

process by which the lens changes shape in order to focus images on the retina.

Accommodation

The _____ is the point at which the optic nerve leaves the eye.

Blind spot

After adjusting your eyes to a very dark room, your absolute threshold for light is likely to _____.

Decrease

Derald has significant trouble with seeing fine details after recent damage to his _____.

Fovea

_____ is a hunger-arousing hormone secreted by an empty stomach.

Ghrelin

Two dimmer lights are being turned on, but one isn't as strong as the other, so it stops getting brighter at a certain point. The point at which you can tell that one light is brighter than the other would be described as the _____.

Just noticeable difference

According to Freud's psychoanalytic theory, the unconscious wishes, thoughts, and urges that are concealed in the content of a dream are known as its _____ content.

Latent

Visual signals that pass from the retina take which of the following paths?

Optic nerve, optic chiasm, thalamus, visual cortex

The rods and cones in the eye are often referred to as _____ because of their responsiveness to light.

Photo receptors

Which is the correct path that leads to the optic nerve?

Photo receptors, bipolar cells, ganglion cell

Humans perceive the longest visible wavelengths as the color _____ and the shortest visible waves as _____.

Red; purple

After Jackson has been in the hot tub for a few minutes, he no longer notices how hot the water is. This is because of:

Sensory adaptation

The local fire department sounds the 12 o'clock whistle. The process by which your ears convert the sound waves from the siren into neural impulses is an example of _____.

Transduction

The cluster of neurons in the brain's hypothalamus governing the timing of circadian rhythms is/are called the _____.

Suprachiasmatic nucleus

According to the information presented in the text, which of the following statements is TRUE?

There are over 100 bodily processes that systematically vary over the course of each day.

The ability to see fine details is called:

Visual acuity

Where are feature detectors located?

Visual cortex

The distance from one wave peak to another is known as _____, which varies depending on the electromagnetic energy.

Wavelength

Psychologists have identified a number of characteristics of attention, including:

attention is selective

The release of growth hormones is synchronized to occur only when a person is asleep. This is an example of:

circadian rhythm

The body naturally tends to follow a cycle of sleeping and waking that corresponds to a _____ of a 24-hour cycle

circadium rhythm

The principle of sensation can BEST be characterized as:

how our sensory receptors respond to stimulation and transmit that information in usable form to the brain.

When attending an extremely loud concert, your absolute threshold for sound is likely to:

increase

The hormone manufactured by the pineal gland that is responsible for producing sleepiness is called:

melatonin

After sitting in a quiet library studying for an hour, you are able to hear someone hiccup slightly from all the way across the room. Your more sensitive hearing would MOST likely have resulted from:

sensory adaptation

The "bottom line" about subliminal stimuli according to the Science versus Pseudoscience box, titled "Subliminal Perception" in your textbook, is that:

subliminal stimuli can briefly influence attitudes, thoughts, preferences, and emotions.

A researcher subliminally presents a visual image to study participants, which increases the likelihood that they will later recognize the same briefly presented image. This best illustrates:

that information can be processed outside of conscious awareness.

Sensory adaptation can be defined as:

the decline in sensitivity to constant stimulus.

Kittens, monkeys, and humans who experience sensory deprivation early in life end up with permanent damage to their visual functioning. This finding suggests that:

there IS a critical period for normal sensory and perceptual development.