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2025년 1분기 의학 연구에서의 시선추적 인사이트

시선추적 기술은 다양한 조건에서 정확하고 객관적인 평가를 제공함으로써 의학 연구를 발전시키는 데 중요한 역할을 해왔습니다. 2025년 1분기에는 뇌성마비 아동의 시선 행동을 평가하고, 가상현실을 통해 시각운동 통합 기능을 평가하고, 파킨슨병과 다운증후군 알츠하이머의 안구 움직임을 분석하는 데 시선추적을 활용한 연구가 진행되었습니다. 이러한 인사이트는 이해를 높이고 개인 맞춤형 재활 및 관리 전략을 지원합니다.

Assessment of Gaze Fixations and Shifts in Children with Cerebral Palsy: A Comparison of Computer- and Object-Based Approaches

Tom Griffiths, Michael T. Clarke & John Swettenham

Background/Objectives: Gaze behaviours, such as fixation on single objects, and switching gaze between two objects are important for signaling messages, making choices or controlling a computer for children with cerebral palsy (CP) and similar movement disabilities. Observing these behaviours can be challenging for clinicians, with a lack of agreement on how they can be objectively quantified or rated. Methods: This study compares two methods of eliciting and observing gaze behaviours: a computer presentation using an eye tracker and an object presentati...

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Visuomotor Integration Assessment Using Immersive Virtual Reality for Children With Cerebral Palsy: A Pilot Study

Visuomotor integration (VMI) impairments are common in children with cerebral palsy (CP) and can impact performance of goal‐directed upper‐extremity tasks. VMI impairment is clinically assessed using the gold‐standard Beery‐Buktenica test, whereas research paradigms use computerized assessments incorporating eye and hand movement tracking with touchscreen displays. Immersive virtual reality (VR) may potentially enable more ecologically valid VMI assessments through the inclusion of 3D tasks and visual distractions. However, the potential of immersive VR ...

Real-time assessment of eye movements during reading in individuals with central vision loss using eye-tracking technology: A pilot study

Leonela González-Vides, Pilar Cañadas, José Antonio Gómez-Pedrero & Jose Luis Hernández-Verdejo

Purpose To assess eye movements during reading in individuals with central vision loss using eye-tracking technology and an ad-hoc calibration method. Materials and methods This pilot case control study included 17 participants (61.7 ± 8.8 years), 12 women and 5 men) and 17 controls, matched for age and sex. Two ad hoc computer-based tests were administered to analyze eye movements during a single-letter reading task and continuous reading task, measured using a 60 Hz eye-tracking device. Results Individuals with central vision loss showed differences fr...

Correlation between non-motor symptoms and eye movements in Parkinson’s disease patients

Zvonimir Popovic, Tihana Gilman Kuric, Ines Rajkovaca Latic, Sara Matosa, Aleksander Sadikov, Vida Groznik, Dejan Georgiev & Svetlana Tomic

Introduction Parkinson’s disease (PD) presents with a variety of non-motor symptoms such as sleep disorders, hyposmia, pain, cognitive dysfunction, neuropsychiatric and autonomic symptoms. One of the most neglected motor symptoms is the impairment of eye movements, which occurs in 75% of PD patients. The aim of our study was to investigate the relationship between the severity of non-motor symptoms and the impairment of different types of eye movements. Methods We conducted a cross-sectional study with idiopathic PD patients in which non-motor symptoms ...

    Eyes on the Pupil Size: Pupillary Response During Sentence Processing in Aphasia

    Christina Sen, Noelle Abbott, Niloofar Akhavan, Carolyn Baker & Tracy LoveErgonomics

    Background/Objectives: Individuals with chronic agrammatic aphasia demonstrate real-time sentence processing difficulties at the lexical and structural levels. Research using time-sensitive measures, such as priming and eye-tracking, have associated these difficulties with temporal delays in accessing semantic representations that are needed in real time during sentence structure building. In this study, we examined the real-time processing effort linked to sentence processing in individuals with aphasia and neurotypical, age-matched control participants...

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    Assessing Experiences With Trofinetide for Rett Syndrome: Interviews With Caregivers of Participants in Clinical Trials

    Amy M. Barrett, Oyebimpe Olayinka-Amao, Susan Martin, Dilesh Doshi, Kathie M. Bishop & James M. Youakim

    Purpose Rett syndrome (RTT) is a rare neurodevelopmental disorder that mainly affects girls and women. Trofinetide is approved for the treatment of RTT in adults and children aged ≥2 years. To gain insight into experiences with RTT and effects of trofinetide treatment at different stages of RTT, interviews with caregivers of individuals with RTT were conducted upon their exit from the open-label trofinetide trials. Methods Interviews were conducted with caregivers of participants in the LILAC/LILAC-2 open-label extension trials of the phase 3 LAVENDER tr...

    Eye tracking to support assessment of patients with prolonged disorder of consciousness – a case series

    Jan Johansson, Marika Möller, Kristina Franzon, Jonas Stenberg & Alison K. Godbolt

    Objective: To investigate if eye tracking can support detection of covert voluntary eye movements and to compare these findings with a simultaneously performed clinical assessment according to the Coma Recovery Scale manual regarding visual stimuli.Design: Observational case series.Subjects: Twelve outpatients with prolonged disorders of consciousness recruited from the rehabilitation clinic of a regional rehabilitation unit.Method: Eye movements were recorded with a wearable eye tracker while performing 4 test items from the Coma Recovery Scale Revised....

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