Sensation & Perception
Transduction
The theory that there are 3 types of cones in the retina that observe color as combinations of red, blue, and green.
Trichromatic theory
This principle says that a neuron cannot "half fire" or fire at different strengths.
All or None
Why are eyewitness accounts not always reliable?
Misinformation effect. Our memories are imperfect
Mark is so focused while practicing a really hard piece of music that he doesn't notice his friend come in and sit next to him. Mark's failure to recognize his friend is an example of ______
Inattentional Blindness
You think your phone is ringing so you pick it up only to realize there was no call. Signal detection theory would call this a ______
False Alarm
Which two Gestalt principles does this image represent?
Proximity (closeness) and Similarity (color of shapes)
An agonist drug does what to the amount of a neurotransmitter?
Increases
The process of going from sensory to short term memory is _______. The process for moving from short term to long term memory is ________.
Encoding/Attention & Consolidation/Reconsolidation
While studying one day, you realize that when you hold your pencil closer to your face your eyes turn closer towards the middle of your head. This is an example of _____
Convergence (a binocular cue)
A friend asks you to turn up the music, you increase the volume until they notice it gets louder. What is this an example of?
Difference thresholdJust noticeable difference
Sam walks into a bright room, and his eyes have to adjust to let less light in. What part of the eye is responsible for this action?
Iris
After depolarizing, a neuron's charge is repolarized. However the neuron briefly overcorrects in this process, making it so the neuron can't fire again. What is this process called?
Hyperpolarization (or refractory period)
Amanda is telling her grandkids about how she went to the wrong class on her first day of college. This is an example of an _________ memory. (be specific)
Explicit Episodic
What is the capacity of the short term/working memory?
7 +/- 2 items
What is the distinction between an absolute and a difference threshold?
Absolute - Minimum intensity needed to be detected 50% of the time (detect stimulus or don't)
Difference - Minimum intensity the stimulus changes that can be detected (always detecting stimulus, level changes)
Angelina is walking away from her friends. To keep them in focus, her eye has to accommodate for the change. Which part of the eye is responsible for this and what does it do in this situation?
Lens flattens out as she gets further away
Ellie is in a soccer game when she rolls her ankle. It hurts at first, but the pain is subdued after some time due to which neurotransmitter?
Endorphins
The part of the brain responsible for forming new declarative/explicit memories is the _______, and the part responsible for nondeclarative/implicit memories is the _______.
Hippocampus & Cerebellum
Theo is looking at statue that is 20 feet away. Which type of cue is he using to determine its distance, and why not the other?
Monocular. Binocular cues aren't effective after 13 feet.
Greg is waiting for the bus when a bad smelling garbage truck pulls up next to him. It smells awful at first, but quickly becomes less noticeable until the truck finally pulls away. This is an example of ______
Sensory adaptation
Alex is a quarterback for his high school football team. While in a game, he can tell who is on his team based on the color of their jersey. Which part(s) of the eye responsible for seeing color?
Cones
A lack of dopamine is associated with ______ disease, while having too much is associated with ______.
Parkinson's & Schizophrenia
What type of amnesia did patient H.M. have, and what was its effect?
Anterograde Amnesia. Can't make new memories.
The three types of cones in trichromatic color theory (short, medium, and long wavelength) respond to which respective colors?
Short - Blue/Violet
Medium - Yellow/Green
Long - Reds