Sleep
What is the hormone produced by the pineal gland within the endocrine system, that initiates and helps regulate our biological rhythms (such as sleep)?
True or False: Alcohol in any amount is a depressant.
True
What is the height of a light wave called?
Amplitude: brightness/dullness in color
What is the process called when sensory stimulus energy converts to neural impulses?
Transduction
What is the failure to notice something, that is completely visible, because of a lack of attention?
Inattentional Blindness
Which stage of sleep reduces each cycle as a person continues to sleep?
NREM-3
What are the four main types/categories of psychoactive substances/drugs?
Stimulants, Depressants, Hallucinogens, Opioids
Which theory suggests we can perceive the pitch of a sound due to the location of the hair cells in the cochlea that vibrate the most?
Place Theory
The outside of the ear that we can all see, that directs sound vibrations into the ear canal, is called what?
When watching a 3D movie, what binocular cue is being manipulated to give the illusion of depth?
Retinal Disparity
Name the sleep disorder when a person has a 'sleep attack' and falls asleep suddenly at inappropriate times.
Narcolepsy
a Stimulant
Cognitive Function Theory (Cognitive and Brain-Function Hypothesis)
What is the absolute minimum sensation needed to detect a stimulus 50% of the time?
the absolute threshold
What is the type of sensation processing involves past experiences, knowledge and thoughts influencing our perception?
Top-Down Processing
Which stage of sleep shows 'sleep spindles' in the brain activity, and is associated with memory consolidation?
NREM-2
What type of psychoactive drug can alter sensations and cause someone to perceive vivid colors and shapes in the absence of stimuli?
a Hallucinogen
What theory suggests color perception is coded in pairs of red-green, blue-yellow and white-black cones within the retina?
the Opponent-Process Theory
What is it called when you can no longer notice a sensation due to your neurons no longer communicating it to you?
Sensory Adaptation
Pain is perceived when which sensory skin receptor is activated?
Nociceptors
the Pons
What type of psychoactive drug is often prescribed for pain management and has a high risk for dependence and abuse?
Opioids
Which theory suggest dreams help people prepare for danger or anxiety-inducing situations/events?
Threat-simulation Theory
What part of the eye adjusts to focus the image on the retina?
the Lens
What is it called when concurrent stimulation from more than one sense influences the perception of events and objects?
Multimodal Perception