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Search Results Within Category "Vision & Eyes"

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16 Study Matches

Functional magnetic resonance imaging (fMRI) and psychophysical studies of sensory perception and cognition

The purpose of this study is (1) to understand how the brain processes sensory information and (2) how this is affected by factors like blindness or synesthesia. In addition to behavioral testing, the study will use functional magnetic resonance imaging (fMRI) which enables us to take pictures of the brain while you are doing a task, using an instrument called an MRI scanner.

Participants will perform simple behavioral tasks either stand-alone or while being scanned; they may also complete questionnaires or rating scales.

Amount varies depending on the study

Yes
 

Krishnankutty Sathian
Simon Lacey - at sathianlab@pennstatehealth.psu.edu
Neurology (HERSHEY)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00012238
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Inclusion Criteria:
Healthy adults over 18 years old
Normal or corrected-to-normal vision
No other sensory deficits
Adults who experience synesthesia
Must pass MRI safety screen (if applicable)

Exclusion Criteria:
Pregnant women (excluded from fMRI studies)
Minors under the age of 18
Individuals who fail the MRI safety screen (may still do behavioral studies)
Neurology, Language & Linguistics, Vision & Eyes
Not applicable
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Hershey, PA ,
State College, PA ,

Accessibly of Conversational Agents with Deaf or Blind Users

Using small focus groups, this work aims to understand the experiences, challenges, perceptions, and opportunities for the use of conversational agents (e.g Amazon Alexa and Siri) for users with visual or hearing impairments, with the goal of developing more accessible and inclusive systems.

Yes
 

Johnna Blair
Johnna Blair - at jlb883@ist.psu.edu or 814-706-8412
Information Sciences and Technology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00010384
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Inclusion Criteria:
Either, blind or visually impaired,
Or, hard of hearing or deaf using cochlear implant or other aided hearing device
Currently 18 years of age or older
English language speakers

Exclusion Criteria:
Minors, under the age of 18
Non-English language speakers
Language & Linguistics, Vision & Eyes
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State College, PA ,

Eye-hand coordination during upright stance

The study will determine how the brain controls eye and hand movements during quiet upright stance.

There will be one visit to the lab (approximately 2 hours) in which participants will be required to make reaching movements towards virtual targets while standing upright. Participants will be required to wear comfortable shoes.

$20

Yes
 

Tarkeshwar Singh
Tarkeshwar Singh - at tsingh@psu.edu or 814-865-7851
Kinesiology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00019952
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Inclusion Criteria:
1)Participants should be between 18-65 years old
3)Participants will be right-hand dominant individuals
4)They will have normal or corrected-to-normal vision
5)Participants should be able to stand upright for long periods (up to 2 and a half hours) with rest every 5-10 minutes or as requested by the participant
6)Participants should be able to grasp a handle and move objects with both hands

Exclusion Criteria:
Any history of neurological disorders (e.g., Parkinson’s disease, Alzheimer’s disease, Multiple Sclerosis)
Any history of musculoskeletal disorders (e.g., carpal tunnel syndrome)
Any history of cardiovascular disease (e.g., Coronary Artery disease, Peripheral Artery disease, Carotid Artery disease, Hypertension, Congenital Heart disease, Congestive Heart failure, Myocardial Infarction, Cardiac Arrythmias, Stroke).
Any history of conditions or diseases that increase risk for syncope (e.g., Anemia, Myocardial Ischemia, Kidney disease).
Any history of conditions or diseases of the vestibular system
Neurology, Vision & Eyes
Not applicable
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State College, PA ,

Development of Lighting Application Efficacy Measurement Framework

This study seeks to analyze how subjects perceive brightness. For this purpose, separate studies will be conducted in a real setting in the Lighting Lab. In experiment one, subjects will be asked to judge the brightness of projected scenes on a wall two by two in comparison to one another. In experiment two, subjects will be asked to judge the brightness of a task surface under different lighting conditions, which will be generated automatically, by assigning a value to the brightness level. In the last experiment, subjects will be asked to compare various automatically generated lighting conditions in side-by-side bays and adjust the lighting using a dial knob in one of the bays to match the light level in the other one in each condition.

The experiment will take place in the Lighting Lab. The participants will judge the brightness of projected scenes on a wall. The study team will recruit for two other experiments at a later date.

$10 for the current experiment

Yes
 

Parisa Mahmoudzadeh
Parisa Mahmoudzadeh - at parissa@psu.edu
Architectural Engineering (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
NCT00000000
STUDY00018894
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Inclusion Criteria:
Over 18 years old
normal or corrected to normal visual acuity (participants need to have their prescription glasses or contact lenses on them during the experiments).

Exclusion Criteria:
under 18 years old
inability to distinguish certain shades of color
participants without glasses or contact lenses prescribed for their visual acuity
lacking clear visual acuity
Vision & Eyes
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State College, PA ,

How do cues from the environment affect sound perception?

This study is about investigating how certain elements of urbanconfiguration affects people's subjective perception of noise in urbanenvironments.This section of the study assesses participants' subjective reactions tonoise intensity when the tree density changes in various spaces.

Yes
 

Sohail Sadroleslami
Sohail Sadroleslami - at sbs5622@psu.edu or 814-883-7773
Architecture (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00014527
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Inclusion Criteria:
Age: 18 -24
Gender: all
no visual or hearing impairments

Exclusion Criteria:
no visual or hearing impairments
Vision & Eyes
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State College, PA ,

Evaluating the consequences of mistimed light-emitting device use on cardiac activity and sleep health

The study is being done to find out whether wearing blue light-blocking glasses in the evening improves subsequent sleep. This is a 21-day study where participants will be asked to wear a sleep-monitoring “actiwatch”, an activity monitor, and a heart tracker, as well as to provide screenshots of their smartphone’s screen time app for three weeks. Participants will also be given the option to wear a blood pressure cuff on their arm for three days during the second half of each week, for a total of nine days.

Study participants will be asked to wear small devices on their wrist, hip, and shirt collar, and provide screenshots of their smartphone screen time app for three weeks. During the second and third weeks, participants will be asked to wear a pair of blue light-blocking glasses. Halfway through each week, participants will also be asked to wear a blood pressure monitor for 3 days/nights.There will be a total of seven in-person visits. At the first visit we will explain the study, ask interested participants to sign a consent form, collect information, and distribute study materials and devices. During all subsequent visits, participants will answer questionnaires and be provided additional study materials and devices.

150.00

Yes
 

David Reichenberger
David Reichenberger - at phonesleep@psu.edu or 817-521-0634
Biobehavioral Health (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
NCT05342662
STUDY00019746
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Inclusion Criteria:
Healthy, sighted individuals
Own an iOS smartphone (iPhone)
Willingness to update smartphone to access the current version of the Screen Time application
Willingness to participate in surveys, wear health monitoring devices, and provide screenshots of their smartphone’s screentime application throughout the entire study
Age 18 to 29 years old

Exclusion Criteria:
Individuals who are blind or wear corrective lenses
Taking prescribed medications that affect sleep
Recent shift work
Sleep disorder diagnosis or any cardiovascular disease
Primarily use an Android smartphone
Heart & Vascular, Sleep Management, Vision & Eyes
Approved device(s)
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State College, PA ,

A PROSPECTIVE MULTICENTER STUDY TO ASSESS THE CLINICAL OUTCOMES OF CURRENT PHACOEMULSIFICATION APPROACH TO CATARACT EXTRACTION VERSUS THE MICOR SYSTEM DEVICE USING LOW ENERGY LENS EXTRACTION IN PATIENTS UNDERGOING CATARACT SURGERY

Research study to assess visual outcomes after cataract surgery between different devices. 3 trial groups open to males and females over the age of 18 who are to undergo cataract surgery.

There will be 3 in person visits per surgery eye.Vision will be checked at 2 of these visitsCataract surgery will be done at 1 of these visits

Yes
 

Seth Pantanelli
Kathleen Scruggs - at kscruggs@pennstatehealth.psu.edu or 717-531-4696
Ophthalmology (HERSHEY)
 

All
18 year(s) or older
This study is NOT accepting healthy volunteers
NCT05729477
SITE00001269
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Inclusion Criteria:
Willing to follow all instructions
Must have a cataract that qualifies for surgery

Exclusion Criteria:
Has participated in other clinical trial up to 30 days prior.
Not Pregnant
Other eye conditions may not be allowed to participate, study coordinator will discuss further
Vision & Eyes
Prefer not to display
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Hershey, PA ,

Defining the role of slow eye movements on limb motor control

The purpose of the study is to examine how slow eye movements called smooth-pursuit eye movements, contribute to hand-eye coordination. Participants will grasp a robotic manipulandum and using the manipulandum interact with virtual visual stimuli in an augmented-reality environment.

Yes
 

Tarkeshwar Singh
Tarkesh Singh - at tsingh@psu.edu or 814-865-7851
Kinesiology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00018339
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Inclusion Criteria:
Right-handed individuals (males and females) between 18-65 years of age
Should have normal vision or corrected vision
Participants should be able to sit upright on a chair for upto 2 hours
Participants should be able to grasp and move objects with their right hand
Participants should be able to provide informed consent

Exclusion Criteria:
History of neurological disorders (Parkinson’s or Alzheimer’s (e.g., Multiple Sclerosis, Amyotrophic Lateral Sclerosis or Lou Gehrig’s disease, Friedreich's ataxia, aneurism, brain tumor, epilepsy, suffered a concussion in the last 5 years, TBI, stroke)
History of musculoskeletal disorders (e.g., carpal tunnel syndrome, arthritis, fibromyalgia, tendinitis, trigger finger, mallet finger, fracture, or previous injury to the bones or joints in your neck, upper back, arms or hands in the last six months)
eye or vision problems (e.g., cataracts, glaucoma, a detached retina or macular degeneration)
Cognitive impairment such that informed consent cannot be obtained.
Medication that could make the participant either drowsy or tired. Individuals who get tired with 2 hours of mild to moderate exercise are also not eligible to participate.
Neurology, Vision & Eyes
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State College, PA ,

The role of middle temporal and frontoparietal areas in limb motor control

The goal of this research is to understand the role of motion-processing areas on limb motor control. We will be using behavioral studies and combining that with functional brain imaging, EEG, and non-invasive brain stimulation using transcranial magnetic stimulation (TMS). TMS has been used in thousands of studies and is a very safe method to understand brain function for eye hand coordination.

There will be three visits. Participants will under go brain scanning. They will perform eye-hand coordination tasks by grabbing a robotic manipulandum. During the eye-hand coordination tasks, participants' brain activity will be measured using electroencephalography (EEG) and muscle activity using surface electromyography (EMG). Researchers will also apply transcranial magnetic stimulation (TMS) to temporarily inhibit and excite different brain areas. TMS is a noninvasive procedure that uses magnetic fields to stimulate nerve cells

50

Yes
 

Tarkeshwar Singh
Tarkeshwar Singh - at tsingh@psu.edu or 814-865-7851
Kinesiology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00018993
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Inclusion Criteria:
Participants should be between 18-50 years old
Participants should be right-hand dominant individuals
Participants should be able to sit upright in a chair for long periods (up to 2 and a half hours) with rest
Participants should be able to grasp and move objects with both hands
Participants should be able to lie still and perform behavioral tasks inside a magnetic scanner for up to 60 minutes

Exclusion Criteria:
History of neurological disorders (e.g., Seizures, Parkinson’s or Alzheimer’s disease, Multiple Sclerosis, Amyotrophic Lateral Sclerosis, Friedreich's ataxia, aneurism, brain tumor, epilepsy, traumatic brain injury, a concussion in the last five years)
Any history of musculoskeletal disorders (e.g., carpal tunnel syndrome, any form of arthritis, fibromyalgia, tendinitis, or previous injury or surgery to the bones or joints in your neck, upper back, arms or hands in the last six months)
Eye or vision problems (e.g., cataracts, glaucoma, a detached retina, or macular degeneration)
Individuals with metallic implants will be excluded from the study. The metallic implant will make participation in a magnetic scanner impossible
Medication that could make the participant drowsy or tired during the experiment
Neurology, Vision & Eyes
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State College, PA ,

Characterizing the Visual Pathway in Epilepsy

This research is being done to determine whether the way your brain processes vision is involved in the epilepsy disease process. There has been recent evidence suggesting that epilepsy patients, compared to healthy controls, have thinner retinas, specifically a layer called the retinal nerve fiber layer, the inner most layer of the retina. This study will expand on that finding by investigating any differences in all of the retinal layers, as well as visual function, between epilepsy patients and healthy controls.

Yes
 

Vinita Acharya
psniclinresearch@pennstatehealth.psu.edu 717-531-8521
Neurology (HERSHEY)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00011054
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Inclusion Criteria:
All: 18-65 years of age
Patients only: Clinical diagnosis of epilepsy

Exclusion Criteria:
All: Those who cannot complete the eye scan or visual tests
All: Those who have diabetes
All: Those who have glaucoma
Neurology, Vision & Eyes
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Hershey, PA ,

Remote testing for psychophysical studies of sensory perception and cognition

The purpose of this study is (1) to understand how the brain processes sensory information and (2) how this is affected by factors like blindness or synesthesia.

Participants will complete simple online tasks, for example judging differences in auditory pitch; processing visual and auditory stimuli in congruent and incongruent pairings; rating the sound-symbolic properties of either real words, pseudowords, or both; or discriminating between two stimuli on the basis of their structural properties over a change in their surface properties, and vice versa.

Amount varies depending on the study

No
 

Krishnankutty Sathian
Simon Lacey - at sathianlab@pennstatehealth.psu.edu
Neurology (HERSHEY)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00015197
Show full eligibility criteria
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Inclusion Criteria:
Healthy adults over 18 years old
Normal or corrected-to-normal vision
No other sensory deficits
Adults who experience synesthesia

Exclusion Criteria:
Minors under the age of 18
Neurology, Language & Linguistics, Vision & Eyes
Not applicable
I'm interested
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The role of ocular and limb motor inhibition for dexterous motor control

In this project, participants will perform experiments where they will be asked to look at salient virtual targets and make reaching movements to those targets, while ignoring other visual stimuli presented to them.

During this study, we will ask you to come to our laboratory located in 23 Recreation Building, Penn State University, on a single day.We will ask you to perform an eye-hand coordination task using a robot. You will sit in a modified chair and grasp a handle that permits you to move your hand leftward, rightward, towards and away from your body. A display system will project visual targets into the same plane as your hands, which will allow you to interact virtually with the visual targets. These targets will be either bright or dark and you will be instructed to look at some of these targets (while ignoring others) and make reaching movements to some of these targets.

20

Yes
 

Tarkeshwar Singh
Tarkeshwar Singh - at tsingh@psu.edu
Kinesiology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00023552
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Inclusion Criteria:
Participants should be between 18-50 or 65-80 years of ageold.
Male and female participants who volunteer for the study and provide informed consent.
Participants will be right-hand dominant individuals.
They will have normal or corrected-to-normal vision.
Participants should be able to sit upright in a chair for long periods (up to 2 and a half hours) with rest.

Exclusion Criteria:
Any history of neurological disorders
Any history of musculoskeletal disorders
Eye or vision problem
Cognitive impairment such that informed consent cannot be obtained, or that participant would not be safe with the protocol.
Medication that could make the participant drowsy or tired during the experiment
Neurology, Vision & Eyes
Not applicable
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State College, PA ,

Rapid Motor Regulation Mechanism for Arm Movement in Response to Visual Motion

This study looks at the relationship between motor control via. arm movement and visual stimuli. After participating in brief calibration protocol for the eye tracking system, participants will be moving a robotic handle to interact with visual stimuli during various tasks. Participants will spend approximately 2 hours in the lab.

There will be one approximately 2-hour visit. They will then be asked to complete 20-25 blocks of hand movements while looking at a moving virtual stimulus with a large visual background. Participants will receive regular breaks during the experiment.

$20

Yes
 

Tarkeshwar Singh
Tarkeshwar Singh - at tsingh@psu.edu or 814-865-7851
Kinesiology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00023522
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Inclusion Criteria:
Between 18-65 years old
Right-hand dominant
Normal or corrected-to-normal vision
Able to sit upright in a chair for long periods
Able to grasp and move objects with both hands

Exclusion Criteria:
Any history of neurological disorders
Any history of musculoskeletal disorders
Eye or vision problems (e.g., cataracts, glaucoma, a detached retina or macular degeneration)
Cognitive impairment such that informed consent cannot be obtained, or that participant would not be safe with the protocol
Medication that could make the participant drowsy or tired during the experiment
Neurology, Vision & Eyes
Not applicable
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State College, PA ,

Effect of color, lighting, and music on visual perception, cognition, and emotion

To comprehensively examine the psychological effects of abstract lighting patterns on individuals' emotional states, cognitive performance, and overall well-being. Secondly, the study aims to explore the intriguing connection between music-color synesthesia and the perception of lighting conditions.

Participants will complete cognitive tests and subjective evaluations

Yes
 

Dorukalp Durmus
Dorukalp Durmus - at alp@psu.edu
Architectural Engineering (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00023417
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Inclusion Criteria:
good visual acuity
normal color vision
adults between 18 and 40

Exclusion Criteria:
not synesthetic
metal allergy
Vision & Eyes
Not applicable
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State College, PA ,

Lighting, familiarity, decision making and risk taking

The effect of familiarity of an space on visual and lighting perceptions, and the effect of lighting conditions on risk taking and decision making will be investigated

Participants will wear sensors and complete survey that consists of decision making questions and subjective evaluations of architectural spaces.

Yes
 

Dorukalp Durmus
Dorukalp Durmus - at alp@psu.edu
Architectural Engineering (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00023419
Show full eligibility criteria
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Inclusion Criteria:
Normal color vision
Good visual acuity

Exclusion Criteria:
Visual impairments (e.g., low vision, color deficiency)
Metal allergy
Mental & Behavioral Health, Vision & Eyes
Not applicable
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State College, PA ,

Defining the role of slow eye movements on limb motor control in younger and older adults

The purpose of this study is to define how eye movements contribute to eye-hand coordination in individuals of the age group 18-50 (young adults) and 65-80 (older adults). Specifically, the aim of the study is to understand how slow eye movements affect arm and hand movements. All procedures to be used in our study will be non-invasive. The task during the study will be performed with a robotic handle that participants will grasp with their right hand. They will interact with visual stimuli by moving the robotic handle. The robotic environmentwill attempt to simulate real-world mechanical interactions, such as those experienced during catching a ball.

During this study, we will ask you to come to our laboratory located in 23 Recreation Building,Pennsylvania State University, on two days separated by a maximum of 48 hours. Both sessions will last approximately 90-120 minutes. During the first session, we will review the procedures with you and if you agree to participate, you will sign this form and then proceed to perform the study. You will perform about 20-25 blocks of hand movements. Each block will consist of 24-30 trials and each trial will last between 3-5 seconds.The second day will be identical to the first day but the order of trials within a block will be changed.

$10/hour

Yes
 

Tarkeshwar Singh
Tarkesh Singh - at tsingh@psu.edu or 814-865-7851
Kinesiology (UNIVERSITY PARK)
 

All
18 year(s) or older
This study is also accepting healthy volunteers
STUDY00024035
Show full eligibility criteria
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Inclusion Criteria:
Participants should be between 18-80 years old.
Participants will be right-hand dominant individuals.
They will have normal or corrected-to-normal vision.
Participants should be able to sit upright in a chair for long periods (up to 2 and a half hours) with rest.
Participants should be able to grasp and move objects with both hands.

Exclusion Criteria:
Any history of neurological disorders.
Any history of musculoskeletal disorders
Eye or vision problems (e.g., cataracts, glaucoma, a detached retina or macular degeneration).
Cognitive impairment
Medication that could make the participant drowsy or tired during the experiment.
Neurology, Muscle & Bone, Vision & Eyes
Not applicable
I'm interested
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State College, PA ,