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RIT 0514-445
Final Exam
59
Psychology
Undergraduate 3
11/11/2011

Additional Psychology Flashcards

 


 

Cards

Term
Somatosensation
Definition
A collective term for sensory signals from the body.
Term
Tactile sensatation
Definition
Sensations caused by mechanical displacements of the skin.
Term
Thermal Sensation
Definition
Perception of temperature changes.
Term
Kinethesis
Definition
Perception of position and movement of limbs, muscles, tendons, and joints.
Term
Proprioception
Definition
Perception mediated by kinesthetic and vestibular receptors. Position of body relative to other things.
Term
Purpose of touch
Definition
- Warning system for potential internal damage or dangerous external stimuli.
- Thermally safe environment
- Nonverbal communication
- Manipulate objects that cannot be seen or heard.
Term
Touch Receptor Characteristics
Definition
- In epidermis and dermis
- Type of stimulation
- Size of receptive field
- Rate of adaptation
Term
SA I Mechanoreceptor
Definition
- Merkel Neurite Complex
- Steady downward pressure
- Fine spatial details
- Pattern perception
- Good for reading braille
- Good for slotting a screw
- Low vibrations
Term
SA II Mechanoreceptor
Definition
- Ruffini Ending
- Sustained downward pressure
- Lateral skin stretch
- Finger position and grasp
- Good for grasping a tea cup
Term
FA I Mechanoreceptor
Definition
- Meissner Corpuscle
- Best for low frequencies
- Sense temporal changes in skin
- Sense if an object is heavy
Term
FA II Mechanoreceptor
Definition
- Pacinian Corpuscle
- High frequency vibrations
- Sensing when an object makes skin contact
- Sensing when you're holding an object
Term
Two-point Touch Threshold
Definition
The minimum distance at which two stimuli are just perceptible as separate.
Term
Tactile Spatial Acuity
Definition
- Minimum separation at which two stimuli are just perceptible as separate.
- Vision > Touch > Hearing
Term
Tactile Temporal Acuity
Definition
- Whether two tactile pulses appear to be either simultaneous or successive in time.
- Hearing > Touch > Vision
Term
Somatotopic
Definition
Adjacent areas of skin connected to adjacent areas in brain.
Term
Neuroplasticity
Definition
- Cortical remapping
- The ability of the brain to change as a result of one's experience. Refers to the brain as "plastic"
Term
Haptic Perception
Definition
Knowledge of the world that is derived from sensory receptors in the skin, muscles, etc involving active exploration.
Term
Exploratory Procedure
Definition
Stereotyped hand movement pattern used to contact objects in order to perceive their properties.
Term
Lateral Motion Exploration
Definition
Side to side hand movement. Texture.
Term
Pressure
Definition
Hardness. Press down.
Term
Static Contact
Definition
Sense temperature.
Term
Unsupported Holding
Definition
Senses weight.
Term
Enclosure Exploration
Definition
Senses global shape, volume.
Term
Contour Following Exploration
Definition
Senses global shape, exact shape.
Term
Oderants
Definition
- Stimuli for odors are chemical compounds
- Small
- Volatile
- Hydrophohic
Term
Humans vs. Dogs Olfaction
Definition
Humans: 20 mil OSN
Dogs: 220 mil OSN

Humans: 0.1% brain
Dogs: 5% brain
Term
Anosmia
Definition
Smell blindess.
Term
Detection Thresholds
Definition
- Length of ordorant: Longer = Better
- Gender: Lower for women
- Age: Younger = Better
Term
Discrimination
Definition
Discriminate thousands of odors
Term
Recognition
Definition
Remember whether or not we've smelled something before.
Term
Staircase Psychophysical Method
Definition
Concentration of ordorant increased/decreased.
Term
Triangle Test Psychophysical Method
Definition
3 ordors. 2 same, 1 different. Identify the different one.
Term
Tip of the nose phenomenon
Definition
Scent is familiar, but can't come up with the name for it.
Term
Olfactory Lateralization
Definition
- Ipsilateral connection between sensory receptors and brain.
- Left = More words
- Right = More pleasant
Term
Odor Hedonics
Definition
- Liking a smell
- Familiarity (linear)
- Intensity (non-linear)
Term
Innate Position
Definition
Born with predisposition to smells.
Term
Learned Position
Definition
Liking a smell is determined by experience.
Term
Learned Taste Aversion
Definition
Avoidance of a novel flavor after it has been paired with gastric illness.
Term
Herz Study
Definition
Odors do not elicit more accurate recollections than other modalities, though they are more emotional.
Term
Taste buds
Definition
Embedded in papillae.
Term
Taste pores
Definition
Opening in a taste bud through the mucosa.
Term
Taste Receptor Cell
Definition
Contained within a taste bud.
Term
Filiform Papillae
Definition
Anterior portion, no taste function.
Term
Fungiform Papillae
Definition
Anterior, visible. Like mushrooms.
Term
Foliate Papillae
Definition
Sides of tongue, look like folds.
Term
Circumvallata Papillae
Definition
Large circular structures. Make a 'V'.
Term
Salty
Definition
- Cation + Anion
- Used for nerve and muscle function
- Preservation not static
Term
Sour
Definition
Acidic
Term
Bitter
Definition
- Quinine
- Many bitter things are poisoness.
Term
Sweet
Definition
- Evoked by sugars
- Glucose
- Saccharin & cyclamate found by mistake.
Term
Specific Hungers Theory
Definition
- The idea that a deficiency of a given nutrient will produce a craving for it.
- Limited to sweet & salty.
Term
Supertaster
Definition
Individual who perceives the most intense taste sensations. Usually denser fungiform papillae.
Term
Cross-modal Perception
Definition
The ability to perceive an object across modalities.
Term
Cross-modal Transfer
Definition
Learn a discrimination problem in one modality and have it transfer to another.
Term
Cross-modal Matching
Definition
Present a sample in one modality, then remove it. Present it in another.
Term
Rat Cross-modal Transfer
Definition
Vision / Hearing
Term
Rabbit Cross-modal Transfer
Definition
- Rhythm (Vision / Hearing)
- Shocking / lights
Term
Bushbabies Cross-modal Transfer
Definition
- Rhythm (Vision / Hearing)
- Go / No Go
- Long time to learn reverse
Term
Chimp Cross-modal Matching
Definition
3D vision / touch
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