• 제목/요약/키워드: Omission Error

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시각 주의력과 청각 주의력의 차이를 보이는 주의력 결핍.과잉활동장애 아동의 인지기능과 정서 및 행동 문제 (The Cognitive Performance, Emotional and Behavioral Problems of the Children with ADHD Showing the Difference between Visual and Auditory Attention)

  • 손정우
    • 생물정신의학
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    • 제13권2호
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    • pp.70-81
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    • 2006
  • 목 적: 시각 주의력과 청각 주의력에서 차이를 보이는 주의력결핍 과잉활동장애(ADHD) 아동의 인지 기능 및 정서, 행동 문제에 대해 연구하고자 한다. 방 법: 동반 질환이 없는 ADHD 아동 98명을 대상으로 '주의력장애 진단시스템(ADS)' 을 실시하여 시각 주의력과 청각 주의력을 측정한 뒤, ADS의 누락 오류와 오경보 오류를 이용하여 이들을 1) 청각 누락 오류 및 오경보 오류가 시각 누락 오류 및 오경보 오류보다 높은 군(AA군) 2) 시각 누락 오류 및 오경보 오류가 청각 누락 오류 및 오경보 오류보다 높은 군(VV군) 3) 1), 2)에 해당하지 않는 군(M군)의 3개 군으로 분류하였다. 세 군 간에 '한국판 웩슬러 아동용 지능 검사(KEDI-WISC)' 의 소검사 결과와 '한국판 아동-청소년 행동평가척도(K-CBCL)' 의 여러 하위 소척도의 점수를 비교하였다. 또한, 전체 아동을 대상으로 시각 누락 오류, 청각 누락 오류, 시각 오경보 오류, 청각 오경보 오류와 KEDI-WISC의 소검사 점수, K-CBCL의 하위 영역 점수 간의 상관관계를 조사하였다. 결 과: 다음의 결과를 얻었다. 1) AA군은 10명, M군은 32명, VV군은 56명이었다. 2) KEDI-WISC의 소검사 점수 비교에서는 VV군의 점수가 나머지 두 군보다 높았다. 특히 언어성 지능(p=.039)에서는 VV군이 AA군보다 유의하게 높았고 토막짜기(p=.015), Kaufman의 요인 2(p=.045), 동작성 지능(p=.004)에서는 VV군이 M군보다 유의하게 높았으며 전체 지능(p=.004)에서는 VV군이 M군 및 AA군보다 유의하게 높았다. 3) K-CBCL의 하위 소척도 점수 비교에서는 신체증상 소척도 점수를 제외한 전 영역에서 VV군의 점수가 나머지 두 군보다 높았다. 특히 사회성 소척도(p=.041)에서는 VV군이 AA군보다 유의하게 높았으며 위축 소척도(p=.021)에서는 VV군이 AA군보다 유의하게 낮았다. 4) 시각 누락 오류, 시각 오경보 오류와 KEDI-WISC의 소검사 점수 간에는 유의한 상관관계가 존재하지 않았다. 한편 청각 누락 오류, 청각 오경보 오류와 KEDI-WISC의 소검사 점수 간에는 유의한 상관관계를 보이는 영역이 매우 많았다. 5) 시각 누락 오류, 시각 오경보 오류와 K-CBCL의 소검사 점수 간에는 시각 누락 오류와 사고의 문제 소척도(r=.205, p=.043) 간에만 유의한 상관관계가 존재하였다. 청각 누락 오류와는 사회성 소척도(r=-.319, p=.001), 사회적 미성숙 소척도(r=.206, p=.042), 사고의 문제 소척도(r=.235, p=.021) 간에 유의한 상관관계가 있었다. 청각 오경보 오류와는 사회성 소척도(r=-.241, p=.017) 및 주의집중문제 소척도(r=.235, p=.020) 간에 유의한 상관관계가 있었다. 결 론: 청각 주의력이 상대적으로 더 나은 ADHD 아동이 다른 아동에 비해 인지 기능이 더 좋고 정서 및 행동 문제가 적었다. 향후 시각 주의력과 청각 주의력에 차이를 보이는 ADHD 아동에 대해 보다 체계적인 연구가 필요할 것이다.

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주의력결핍 과잉행동장애 하위 유형별 연속수행과제 양상의 예비 연구 (A Preliminary Study for Continuous Performance Test by Subtypes of Attention-Deficit Hyperactivity Disorder)

  • 허승은;김용희;반건호;이원혜
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • 제19권2호
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    • pp.104-111
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    • 2008
  • Objectives : The purpose of this study was to compare two subtypes of attention-deficit hyperactivity disorder (ADHD) and controls in their attention using ADHD diagnostic system (ADS), a kind of continuous performance test. Methods : Subjects of this study were 8 children with ADHD-predominantly inattentive type, 28 children with ADHD-combined type and 20 control children. Ages ranged from 5 to 14 years. The Korean Educational Development Institute version of the Wechsler Intelligence Scale for Children (KEDI-WISC) and the ADS were administered to all subjects to provide measures of intelligence and attention. Results : Significant differences were found in the ADS variables for the three groups. When compared with controls, the ADHD-predominantly inattentive type children scored significantly higher on the omission error at middle stage and later stage and ADHD-combined type children scored significantly higher on the omission error and reaction time at later stage. When compared with the other two groups, the ADHD-combined type children scored significantly higher on the commission error at all three stages. Conclusion : Our results suggest that the two subtypes of ADHD have different features in attention deficit. And there was a possibility that commission error is available variable to show cognitive characteristics of ADHD-combined type than any other ADS variables. Further studies are needed to evaluate this finding.

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Empirical estimation of human error probabilities based on the complexity of proceduralized tasks in an analog environment

  • Park, Jinkyun;Kim, Hee Eun;Jang, Inseok
    • Nuclear Engineering and Technology
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    • 제54권6호
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    • pp.2037-2047
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    • 2022
  • The contribution of degraded human performance (e.g., human errors) is significant for the safety of diverse social-technical systems. Therefore, it is crucial to understand when and why the performance of human operators could be degraded. In this study, the occurrence probability of human errors was empirically estimated based on the complexity of proceduralized tasks. To this end, Logistic regression analysis was conducted to correlate TACOM (Task Complexity) scores with human errors collected from the full-scope training simulator of nuclear power plants equipped with analog devices (analog environment). As a result, it was observed that the occurrence probability of both errors of commission and errors of omission can be soundly estimated by TACOM scores. Since the effect of diverse performance influencing factors on the occurrence probabilities of human errors could be soundly distinguished by TACOM scores, it is also expected that TACOM scores can be used as a tool to explain when and why the performance of human operators starts to be degraded.

강박장애 환자의 반응억제 결함 (Impaired Response Inhibition in Patients with Obsessive-Compulsive Disorder)

  • 부영준;김세주;강지인
    • 대한불안의학회지
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    • 제11권1호
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    • pp.33-37
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    • 2015
  • Objective : Impaired response inhibition has been suggested to play an important role in the pathophysiology of obsessive-compulsive disorder (OCD). The aim of this study was to evaluate the response inhibition in patients with OCD, by using the Go/NoGo paradigm, and to better understand its associations with clinical symptoms. Methods : The participants included 63 OCD patients and 80 healthy volunteers matched in age and sex. response inhibition was evaluated using computerized Go/NoGo task, in which their commission error rates, omission error rates, and mean response times were measured. The severity of clinical symptoms in the OCD patients was assessed using Montgomery-Asberg Depression Scale and Yale-Brown Obsessive Compulsive Scale. Result : OCD patients showed significantly impaired inhibition and higher omission errors rates despite their slower response time, compared to normal controls. Clinical symptoms were not correlated with commission errors and omission errors. Conclusion : The present results indicate that impairment in response inhibition may play a critical role in the pathophysiology of OCD as a trait. These findings suggest that deficit of response inhibition may contribute to developing and maintaining clinical symptoms such as compelling need to repeat certain actions in patients with OCD.

Detection of Seabed Rock Using Airborne Bathymetric Lidar and Hyperspectral Data in the East Sea Coastal Area

  • Shin, Myoung Sig;Shin, Jung Il;Park, In Sun;Suh, Yong Cheol
    • 한국측량학회지
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    • 제34권2호
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    • pp.143-151
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    • 2016
  • The distribution of seabed rock in the coastal area is relevant to navigation safety and development of ocean resources where it is an essential hydrographic measurement. Currently, the distribution of seabed rock relies on interpretations of water depth data or point based bottom materials survey methods, which have low efficiency. This study uses the airborne bathymetric Lidar data and the hyperspectral image to detect seabed rock in the coastal area of the East Sea. Airborne bathymetric Lidar data detected seabed rocks with texture information that provided 88% accuracy and 24% commission error. Using the airborne hyperspectral image, a classification result of rock and sand gave 79% accuracy, 11% commission error and 7% omission error. The texture data and hyperspectral image were fused to overcome the limitations of individual data. The classification result using fused data showed an improved result with 96% accuracy, 6% commission error and 1% omission error.

지적 능력이 연속수행과제(CPT) 수행에 미치는 영향 (Effects of Intelligence Ability on Continuous Performance Test)

  • 이지연;조아라;김봉석;김주희
    • Journal of the Korean Academy of Child and Adolescent Psychiatry
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    • 제17권2호
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    • pp.163-169
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    • 2006
  • Objectives : The study was conducted to investigate the effect of intelligence ability on attention using Continuous Performance Test (CPT). Methods : 56 children with ADHD (52 boys, 4 girls) and 41 children in normal (28 boys, 13 girls) were sampled, their age range was 7 to 15. They performed IQ test and ADHD Diagnostic System (ADS) in order to examine intelligence and attention. Participants were divided into normal group and ADHD group, average IQ level children and superior IQ level children. Then ADS variables (omission error, commission error, reaction time, reaction time deviation, response sensitivity, and response criterion) were analyzed. Results : There was no significant interaction effect between group (normal, ADHD) and intelligence (average, superior). But there was significant difference between normal group and ADHD group in omission error, commission error, reaction time deviation, and response sensitivity. Also average level IQ group had significantly showed more omission, greater reaction time deviation, and lower response sensitivity than superior level IQ group. Conclusion : ADHD group has attention deficit than normal group, and CPT is available tool to detect attention problems. These findings indicate that intelligence can contaminate inattention and cognitive impulsivity thus it compensates for attention deficit. And it suggests that intelligence effect is considered in analyzing CPT in ADHD children.

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The Effect of First Observation in Panel Regression Model with Serially Correlated Error Components

  • Song, Seuck-Heun
    • Communications for Statistical Applications and Methods
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    • 제6권3호
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    • pp.667-676
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    • 1999
  • We investigate the effects of omission of initial observations in each individuals in the panel data regression model when the disturbances follow a serially correlated one way error components. We show that the first transformed observation can have a relative large hat matrix diagonal component and a large influence on parameter estimates when the correlation coefficient is large in absolute value.

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인적오류를 고려한 중대재해 조사항목의 개선 (Improvement of Investigation Items of Fatal Industrial Accidents Considering Human Error Characteristics)

  • 이동하;나윤균
    • 한국안전학회지
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    • 제13권4호
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    • pp.279-285
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    • 1998
  • This study investigated human error characteristics of the 42 fatal industrial accidents reported by staff members of Korea Industrial Safety Corporation. Various types of human error were judged to be primary contributing factors in about 74 percent of the cases. Most of human error made by involved industrial operators resulted from two types of mistakes: (1) mistake in judgement of work situation, and (2) omission in daily check. It was concluded that preparation/observance for work procedure manuals, danger predication training and enforcement/Education of daily check routine would be effective preventive tools for these types of human error attributable to fatal industrial accidents.

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뇌성마비로 인한 마비말장애 성인의 자음 오류 분석 (Consonant Confusions Matrices in Adults with Dysarthria Associated with Cerebral Palsy)

  • 이영미;성지은;심현섭
    • 말소리와 음성과학
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    • 제5권1호
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    • pp.47-54
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    • 2013
  • The aim of this study was to analyze consonant articulation errors produced by 90 speakers with cerebral palsy (CP). Phonetic transcriptions were made for 37 single-word utterances containing 70 phonemes: 48 initial consonants and 22 final consonants. Errors of substitution, omission, and distortion were analyzed using a confusion matrix paradigm showing the visualization of error patterns. Results showed that substitution errors in initial and final consonants were most frequent, followed by omission and distortion. Consonant omission occurred more frequently on final consonants. In both initial and final consonants, the within-place errors were more prominent than the within-manner errors. The current results suggest that consonant confusion matrices for dysarthric speech may provide useful information for evaluating speech intelligibility and developing automatic speech recognition system of adults with CP associated dysarthria.

기능적 조음장애아동과 일반아동의 어중자음 연쇄조건에서 나타나는 어중종성 오류 특성 비교 (Comparison of error characteristics of final consonant at word-medial position between children with functional articulation disorder and normal children)

  • 이란;이은주
    • 말소리와 음성과학
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    • 제7권2호
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    • pp.19-28
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    • 2015
  • This study investigated final consonant error characteristics at word-medial position in children with functional articulation disorder. Data was collected from 11 children with functional articulation and 11 normal children, ages 4 to 5. The speech samples were collected from a naming test. Seventy-five words with every possible bi-consonants matrix at the word-medial position were used. The results of this study were as follows : First, percentage of correct word-medial final consonants of functional articulation disorder was lower than normal children. Second, there were significant differences between two groups in omission, substitution and assimilation error. Children with functional articulation disorder showed a high frequency of omission and regressive assimilation error, especially alveolarization in regressive assimilation error most. However, normal children showed a high frequency of regressive assimilation error, especially bilabialization in regressive assimilation error most. Finally, the results of error analysis according to articulation manner, articulation place and phonation type of consonants of initial consonant at word-medial, both functional articulation disorder and normal children showed a high error rate in stop sound-stop sound condition. The error rate of final consonant at word-medial position was high when initial consonant at word-medial position was alveolar sound and alveopalatal sound. Futhermore, when initial sounds were fortis and aspirated sounds, more errors occurred than linis sound was initial sound. The results of this study provided practical error characteristics of final consonant at word-medial position in children with speech sound disorder.