3. what does your data tell you about visual, verbal, and tactile responses? course hero

What is tactile stimuli?

How do neuron reactions to stimuli work?

What is the auditory pathway?

Which part of the brain processes visual stimuli?

Which part of the visual cortex responds to the most complex stimuli?

Why is smell the fastest?

Why is the visual cortex important?

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Which stimuli reactes the fastest? Visual, auditory or tactile?

Wow, that's so clearly different that it's amazing. Visual was consistently 220-350, auditory 120-150. And weirdly, it feels like it's traveling through my brain faster, like it's a much more direct path to my finger. As though the visual one had a layer of fluff it had to get through, while the auditory one skipped it.

Why do we react faster to auditory stimuli than visual stimuli?

Last April, I was visiting family in Florida when a friend, who works in health care, showed me a memo that she received from the state Department of Health, offering scientific explanation for why gender-affirming care should be denied to children in the state.

Comparison between Auditory and Visual Simple Reaction Times

Objective: The purpose of this study was to find out whether the simple reaction time was faster for auditory or visual stimulus and the factors responsible for improving the performance of the athlete. Methodology: 14 subjects were as- signed randomly into groups consisting of 2 members. Both the members from each group performed both the visual and auditory tests.

Does the brain respond faster to visual stimulations that's auditory ...

Answer (1 of 3): * Consciously-Speaking Smell is the fastest because it skips the thalamus. Then, you become cognizant of auditory stimulation sooner than visual. Visual information is heavily, heavily processed. IE information has to travel through a way longer tree of neurons before it starts...

Finger Response Times to Visual, Auditory and Tactile Modality Stimuli

Abstract—The purpose of this paper was to investigate finger response time to visual, auditory and tactile modality stimuli in the context of man-machine-interface. A total 94 right-handed Chinese participants (11 to 60 years old) took part in the visual,

A comparative study of visual and auditory reaction times on the basis ...

I NTRODUCTION. Reaction time (RT) is a measure of the quickness with which an organism responds to some sort of stimulus. RT is defined as the interval of time between the presentation of the stimulus and appearance of appropriate voluntary response in the subject.[] Luce[] and Welford[] described three types of RT.(1) Simple RT: Here there is one stimulus and one response.

What is tactile stimuli?

If you're defining response as in cortical activation (i.e. understanding and interpreting the stimuli), then tactile stimuli is the answer. Tactile information is low resolution and most rapidly maps to neural activation-- location and intensity (i.e. temperature, surface area, pressure) define tactile stimuli, compared to the higher resolution information from auditory or visual stimuli.

How do neuron reactions to stimuli work?

From a purely biomechanical perspective, it might be helpful to think of reactions to stimuli as the movements of neural clockwork. Each neuron is like a cog or gear that affects others in chains and networks. Light or sound is at the start of one set of chains, setting the device in motion (or, more accurately, altering the motion -- the brain is always active). The reaction of the mind/body is the whole change of state -- in which neural "gears" as well as bodily "gears" shift. So in reaction to a sound or a visual

What is the auditory pathway?

The auditory pathway is intimately connected with the brain stem, which triggers automatic responses directly linked to our fight-or-flight and threat detection system.

Which part of the brain processes visual stimuli?

Neurons in “higher order” parts of visual cortex respond to more complex visual stimuli, such as specific objects or sh. Continue Reading. When we say a brain region “processes” a particular type of stimulus, we mean that the neurons in that brain region respond primarily to that type of stimulus.

Which part of the visual cortex responds to the most complex stimuli?

For example, when you stick an electrode into the primary visual cortex (V1) of an animal, you will find that neurons will most strongly respond to visual stimuli such as small flashes of light, horizontal bars, and other simple stimuli. Neurons in “higher order” parts of visual cortex respond to more complex visual stimuli, such as specific objects or sh

Why is smell the fastest?

Smell is the fastest because it skips the thalamus. Then, you become cognizant of auditory stimulation sooner than visual. Visual information is heavily, heavily processed. IE information has to travel through a way longer tree of neurons before it starts reaching conscious parts of your brain.

Why is the visual cortex important?

The importance of a brain region for a function can also be inferred from brain damage or from experimental lesions in animals. When a human has damage in their visual cortex, they are likely to be blind or visually impaired in some way.

What are the sensory modalities of the human body?

These include primarily the visual, auditory, and tactile modalities. This ensemble of sensory information is easily integrated in the cortex, permitting our psychomotor functions to manipulate objects with great facility. In contrast, the interface between humans and computers is limited in the sensory modalities available. The strong dependence on the visual channel may cause visual fatigue, or may necessitate directing too much attention to the CRT. In many work settings, operators routinely divide attention among many facets of their work. Many of these are "off-screen".

What are non visual feedback modalities?

In a complete human-machine interface, the use of non-visual feedback modalities (such as auditory or tactile feedback) are expected to yield performance improvements in cases where the visual channel is near capacity This will occur, for example, if the operator's attention is divided among different regions of the CRT display or among multiple tasks. Ancillary tasks could be on-screen (e.g., monitoring the progress of multiple tasks in a multi-task system) or off-screen (e.g., bank tellers, airline reservation operators, air-traffic controllers). Alternate sensory modalities (especially the tactile sense) are felt to offer tremendous potential in the overall performance of systems such as these. Operators will be able to remain "on-target" while fixating on another component of their work.

Why do we place the cursor in the centre of the target?

This is due to the relative paucity of feedback stimuli to inform the subject that the target has been reached. On the other hand, when additional feedback stimuli are presented, the "on-target" condition is sensed earlier and more completely; hence target selection can proceed over a wider area of the target (figure 4), and the button press/release operation can be performed more quickly once the cursor is inside the target (figure 3).

What is the visual channel in GUI?

Currently, the visual channel provides most of the sensory feedback in the task space of a GUI. Still, visual information is usually withheld until an action is initiated, usually by pressing a button. The act of simply touching an object usually carries no added visual sensation; the cursor is superimposed on the target, but the appearance of the target is otherwise unchanged.

What is task space in CRT?

The task space is presented to us on a CRT as a set of objects, with associated actions, structure, and so forth. The objects possess clear physical properties, such as shape, thickness, colour, density, or contrast. Although a tactile sensation follows from the initial grasp of the mouse, while subsequently maneuvering within the task space, no such sensation follows. When the cursor enters an object, it figuratively "touches" the object. When the cursor moves across a white background vs. a grey or patterned background, it passes over different "textures". Yet no sensory feedback (tactile or otherwise) is conveyed to the hand or fingers on the mouse. This, we conjecture, is a deficiency in the interface -- a deficiency that signals missed opportunities in designing human-computer interfaces.

How does a mouse give tactile feedback?

[1] Tactile information is given by means of an aluminum pin (1 mm × 2 mm) projecting from a hole on the left mouse button (see figure 1). The pin is driven by a pull-type solenoid (KGS Corp., 31 mm × 15 mm × 10 mm) via a lever mechanism. The pin is covered by a rubber film fixed to the backside of the mouse button. The film serves to return the pin to its rest position when the control signal is turned off. The modification increased the weight of the mouse by about 30%. (a)

What is auditory stimuli?

Auditory stimuli are used moderately in human-computer interfaces, usually to signal an error or the completion of an operation. Such stimuli are simple to include since speakers are built-in on present-day systems. Gaver (1989) describes a complete GUI -- a modification of the Macintosh's Finder -- using auditory feedback to inform the user of many details of the system, such as file size or the status of file open and close operations. Numerous other examples exist in which auditory stimuli have been exploited as ancillary cues in human-computer systems (e.g., DiGiano 1992).

What is tactile stimuli?

If you're defining response as in cortical activation (i.e. understanding and interpreting the stimuli), then tactile stimuli is the answer. Tactile information is low resolution and most rapidly maps to neural activation-- location and intensity (i.e. temperature, surface area, pressure) define tactile stimuli, compared to the higher resolution information from auditory or visual stimuli.

How do neuron reactions to stimuli work?

From a purely biomechanical perspective, it might be helpful to think of reactions to stimuli as the movements of neural clockwork. Each neuron is like a cog or gear that affects others in chains and networks. Light or sound is at the start of one set of chains, setting the device in motion (or, more accurately, altering the motion -- the brain is always active). The reaction of the mind/body is the whole change of state -- in which neural "gears" as well as bodily "gears" shift. So in reaction to a sound or a visual

What is the auditory pathway?

The auditory pathway is intimately connected with the brain stem, which triggers automatic responses directly linked to our fight-or-flight and threat detection system.

Which part of the brain processes visual stimuli?

Neurons in “higher order” parts of visual cortex respond to more complex visual stimuli, such as specific objects or sh. Continue Reading. When we say a brain region “processes” a particular type of stimulus, we mean that the neurons in that brain region respond primarily to that type of stimulus.

Which part of the visual cortex responds to the most complex stimuli?

For example, when you stick an electrode into the primary visual cortex (V1) of an animal, you will find that neurons will most strongly respond to visual stimuli such as small flashes of light, horizontal bars, and other simple stimuli. Neurons in “higher order” parts of visual cortex respond to more complex visual stimuli, such as specific objects or sh

Why is smell the fastest?

Smell is the fastest because it skips the thalamus. Then, you become cognizant of auditory stimulation sooner than visual. Visual information is heavily, heavily processed. IE information has to travel through a way longer tree of neurons before it starts reaching conscious parts of your brain.

Why is the visual cortex important?

The importance of a brain region for a function can also be inferred from brain damage or from experimental lesions in animals. When a human has damage in their visual cortex, they are likely to be blind or visually impaired in some way.