Stimulus Type
3D Objects: An object with height, width, length, and mass specifically given to the subject to hold.
Abstract/Geometrical: Thought of apart from concrete realities, specific objects, or actual instances/a geometric pattern, design, etc.
Abstract Patterns: Complex, abstract, geometrical patterns.
Acupuncture: A stimulus in which specific body areas associated with peripheral nerves are pierced with fine needles to produce anesthesia, relieve pain, and promote therapy.
Air Puff: Administration of Air.
Animations: A dynamic visual medium produced from static drawings, models, or objects posed in a series of incremental movements that are then rapidly sequenced to give the illusion of lifelike motion.
Arrow: Anything resembling an arrow in form, function, or character.
Asian Characters: Logograms or logographs taken from an Asian language, such as Chinese, Japanese, or Korean.
Blurred disk: subjects are asked to relax and keep their eyes open while a luminous blurred disk is projected on a screen
Braille: Combinations of tangible dots or points used to represent letters or characters that are read by touch to represent a system of writing or printing, devised by L. Braille for use by the blind.
Cartoons: A sketch or drawing, usually humorous, as in a newspaper or periodical, symbolizing, satirizing, or caricaturing some action, subject, or person of popular interest.
Clicks: Repeated ticking sounds made by a mechanical or electrical instrument at given frequency (e.g., metronome clicks).
Cold: Feeling an uncomfortable lack of warmth; chilled.
Digits: Any of the Arabic figures of 1 through 9 and 0.
Dots: A minute or small spot on a surface; speck.
EMF: Electromagnetic Field - the coupled electric and magnetic fields that are generated by time-varying currents and accelerated charges.
Electricity: Electric charge/current
Faces: The front part of the human head, from the forehead to the chin.
Faces and Scenes: Human faces and neutral scenes.
False Font: Letter-like meaningless signs.
Film Clip: Audiovisual presentation of a motion-picture film.
Fixation Point: A point or crosshair on which to fixate attention.
Flashing Checkerboard: Contrast-reversed checkerboards that oscillate at a specified frequency; are generally black and white.
Food: Any nourishing substance that is eaten, drunk, or otherwise injested.
Fractals: A complex geometric pattern exhibiting self-similarity in that small details of its structure viewed at any scale repeat elements of the overall pattern.
Heartbeat: The number of heartbeats per minute.
Heat: A stimulus that creates the sensation of warmth or hotness.
Images: A physical likeness or representation of a person, animal, or thing, photographed, painted, sculptured, or otherwise made visible.
Infusion: A stimulus that introduces liquid solution (e.g., saline) into a vein.
Inhalation: To breathe in; draw in by breathing.
Instruction: Usually instructions. Orders or directions.
Interactive Computer Game: any of various games, recorded on cassette or disc for use in a home computer, that are played by manipulating a mouse, joystick, or the keys on the keyboard of a computer in response to the graphics on the screen
Interactive Computer Program: any of various games, recorded on cassette or disc for use in a home computer, that are played by manipulating a mouse, joystick, or the keys on the keyboard of a computer in response to the graphics on the screen
Letters: A symbol or character used in writing and printing to represent a speech sound and that is part of an alphabet.
Letters and abstract objects: A symbol or character used in writing and printing to represent a speech sound and that is part of an alphabet and complex, abstract, geometrical patterns.
Lights: Something that makes things visible or affords illumination.
Lines: A mark or stroke long in proportion to its breadth, made with a pen, pencil, tool, etc., on a surface.
Mathematical Equation: An expression or a proposition, often algebraic, asserting the equality of two quantities.
Music: Organized tones or sounds occurring in single line (melody) or multiple lines (harmony), and sounded by one or more voices or instruments, or both.
Noise: A group of sounds with a broad distribution of intensities across a wide range of frequencies or an image that carries a broad amount of energy across a wide range of spatial frequencies but is not structured to carry meaning, e.g., white noise or salt-and-pepper noise.
Nonverbal Vocal Sounds: Non-word human vocalizations, e.g., sighing, crying, screams, laughter.
Nonvocal Sounds: Sounds produced by animals, machines, nature, objects, or other non-human origins.
Number: A numeral.
Numbers: A numeral or group of numerals.
Objects: Anything that is visible or tangible and is relatively stable in form.
Odor: A sensation perceived by the sense of smell; scent.
Pain: A physically distressing sensation in a particular part of the body.
Pictures: A representation or image that is painted, drawn, photographed, or otherwise rendered on a flat surface.
Playing Cards: Any set or pack of cards used in playing games.
Pressure: The exertion of force upon a surface by an object, fluid, etc., in contact with it.
Pseudowords: Groups of letters that are meaningless as words.
Random Dots: A group of many dots, often moving in random or synchronous patterns.
Reversed Speech: Spoken words or sentences recorded and then played in reverse.
Scenes: Any view or picture.
Sentences: A grammatical unit of one or more words that expresses an independent statement, question, request, command, exclamation, etc., and that typically has a subject as well as a predicate.
Shapes: A distinct body characterized with an outline of specific form or figure.
Short Sentences: A grammatical unit of one or more words that expresses an independent statement, question, request, command, exclamation, etc., and that typically has a subject as well as a predicate.
Sketches: A simply or hastily executed drawing or painting, especially a preliminary one, giving the essential features without the details.
Sounds (Environmental): The sensation produced by stimulation of the organs of hearing by vibrations transmitted through the air or other medium of surrounding things, conditions, or influences; surroundings; milieu.
Spinner: A person or thing that spins.
Stories: A narrative, either true or fictitious, in prose or verse, designed to interest, amuse, or instruct the hearer or reader; tale.
Syllables: A unit of spoken language consisting of a single uninterrupted sound formed by a vowel, diphthong, or syllabic consonant alone, or by any of these sounds preceded, followed, or surrounded by one or more consonants.
Symbols: An arbitrary sign, written or printed, that conveys meaning, e.g., plus signs, arrows, asterisks.
TMS: Transcranial Magnetic Stimulation, a noninvasive method to excite neurons in the brain by inducing electrical currents in tissue as a result of rapidly changing magnetic fields.
Tactile Stimulation: Arousal of the body or of individual organs or other parts to increased functional activity by the sense of touch.
Target: An object, usually marked with concentric circles, to be aimed at in shooting practice or contests.
Thermal stimulation: Arousal of the body or of individual organs or other parts to increased functional activity by heat or temperature.
Tones: One or more musical sounds that individually have a single frequency.
Tools: An implement, especially one held in the hand, as a hammer, saw, or file, for performing or facilitating mechanical operations.
Traumatic script: A true narrative, in prose, of a traumatic event.
Uniform Screen: Screen with a solid color.
Vestibular Stimulation: Stimulation of any of various cavities or hollows regarded as forming an approach or entrance to another cavity or space, as that of the internal ear.
Vibration: The oscillating, reciprocating, or other periodic motion of a rigid or elastic body or medium forced from a position or state of equilibrium.
Vibratory Stimulation: A tactile stimulus that moves rhythmically and steadily to oscillate at a given high frequency.
Video: A program, movie, or other visual media product featuring moving images, with or without audio, that is recorded and saved digitally or on videocassette.
Videogame: Any of various interactive games played using a specialized electronic gaming device or a computer or mobile device and a television or other display screen, along with a means to control graphic images.
Vignettes: A decorative design representing branches, leaves, grapes, or the like, as in a manuscript.
Vocal Sounds: The basic sound produced by vocal fold vibration.
Words: A sound or a combination of sounds, or its representation in writing or printing, that symbolizes and communicates a meaning and may consist of a single morpheme or of a combination of morphemes.
