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Search Results within category "Vision & Eyes"

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Suggestions within category "Vision & Eyes"


10 Study Matches

Validating brightness metrics

This is a psychophysical study that will validate the accuracy of spatial brightness metrics based on different spectral luminous efficacy functions.
Dorukalp Durmus at alp@psu.edu
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
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Inclusion Criteria:
Normal or corrected-to-normal vision
Adults over 18 years old
Exclusion Criteria:
Minors, under the age of 18
Non-English language speakers
Pregnant women
Cognitively Impaired Adults
Color and vision deficiency
Vision & Eyes
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Location
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.
Johnna Blair at jlb883@ist.psu.edu or 814-706-8412
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
Show full eligibility criteria
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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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Location
State College, PA

Visual clarity of indoor images

This is a psychophysical study to that will examine the perceived visual clarity of images of indoor environment.
Alp Durmus at alp@psu.edu
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
Show full eligibility criteria
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Inclusion Criteria:
Normal or corrected-to-normal vision
Healthy adults over 18 years old
Exclusion Criteria:
Minors, under the age of 18
Non-English language speakers
Pregnant women
Cognitively Impaired Adults
Vision & Eyes
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Study Locations

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Location
State College, 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.
Michelle Douthitt at mdouthitt@pennstatehealth.psu.edu
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
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
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Investigating Face Processing Behavior and Neural Circuitry

The ability to recognize faces differs across people. We are studying this variability in behavior and in brain responses in young adults (ages 18-25 years) in the Lab of Developmental Neuroscience at Penn State. If eligible, you will do face recognition tasks on the computer and answer survey questions. You may also be asked to participate in another session in which we take pictures of your brain using MRI. Volunteers are paid $10/hr for time in the lab. Interested participants can start the screening processing by clicking on this confidential screening link here: https://pennstate.qualtrics.com/jfe/form/SV_9NPJ20bQAPd0VKZ
Dr. Suzy Scherf at suzyscherf@psu.edu
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
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Inclusion Criteria:
18-25 years of age
Native English speaker
Free of neurological and psychiatric disorders
Free of concussions with loss of consciousness
Exclusion Criteria:
Family history of autism spectrum disorders (in parents or full siblings)
Neurology, Mental & Behavioral Health, Vision & Eyes
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Location
State College, PA

How do cues from the environment affect sound perception?

This study is about investigating how certain elements of urban configuration affects people's subjective perception of noise in urban environments. This section of the study assesses participants' subjective reactions to noise intensity when the tree density changes in various spaces.
Sohail Sadroleslami at sbs5622@psu.edu or 814-883-7773
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
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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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Location
State College, PA

A SINGLE-CENTER, DOUBLE-ARM, PROSPECTIVE CLINICAL TRIAL TO COMPARE VISUAL PERFORMANCE OF NON-DIFFRACTIVE EXTENDED DEPTH OF FOCUS AND NEUTRAL ASPHERIC MONOFOCAL INTRAOCULAR LENSES

Compare the vision of subjects that receive one of two FDA approved intraocular lenses (IOLs) in both eyes, the Alcon Vivity or Bausch & Lomb enVista. You will be followed by research, 1 and 3 months after your second cataract surgery is performed.
Amy Longenecker at alongenecker@pennstatehealth.psu.edu or 717-531-4696
All
18 year(s) or older
This study is also accepting healthy volunteers
NCT04591054
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Inclusion Criteria:
Must need cataract surgery
18 years of age and older
Exclusion Criteria:
History of intraocular or corneal surgery
current ocular infection
serious corneal disease.
Vision & Eyes
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Study Locations

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Location
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.
Tarkesh Singh at tsingh@psu.edu or 814-865-7851
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
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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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Location
State College, PA

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.
Simon Lacey at slacey2@pennstatehealth.psu.edu
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
Show full eligibility criteria
Hide eligibility criteria
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
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Study Locations

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Location
Hershey, 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.
All
18 year(s) or older
This study is also accepting healthy volunteers
N/A
Show full eligibility criteria
Hide eligibility criteria
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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Study Locations

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Location
Hershey, PA