84 resultados para Limited attention


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Sailing schedule and trip guide for Canada Steamship Lines Limited for July 1915.

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The Niagara Navigation Company Limited, popularly known as the Niagara River Line.

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This study examined whether providing an auditory warning would facilitate attention switching abilities in older adults during dual-tasking. Fifteen young and 16 older adults performed a tracking task while recovering their balance from a support surface translation. For half of the trials, an auditory warning was presented to inform participants of the upcoming translation. Performance was quantified through electromyographic (EMG) recordings of the lower limb muscles, while the ability to switch attention between tasks was determined by tracking task error. Providing warning of an upcoming loss of balance resulted in both young and older adults increasing their leg EMG activity by 10-165% (p<0.05) in preparation for the upcoming translation. However, no differences in the timing of attention switching were observed with or without the warning (p=0.424). Together, these findings suggest that providing a perturbation warning has minimal benefits in improving attention switching abilities for balance recovery in healthy older adults.

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The current set of studies was conducted to examine the cross-race effect (CRE), a phenomenon commonly found in the face perception literature. The CRE is evident when participants display better own-race face recognition accuracy than other-race recognition accuracy (e.g. Ackerman et al., 2006). Typically the cross-race effect is attributed to perceptual expertise, (i.e., other-race faces are processed less holistically; Michel, Rossion, Han, Chung & Caldara, 2006), and the social cognitive model (i.e., other-race faces are processed at the categorical level by virtue of being an out-group member; Hugenberg, Young, Bernstein, & Sacco, 2010). These effects may be mediated by differential attention. I investigated whether other-race faces are disregarded and, consequently, not remembered as accurately as own-race (in-group) faces. In Experiment 1, I examined how the magnitude of the CRE differed when participants learned individual faces sequentially versus when they learned multiple faces simultaneously in arrays comprising faces and objects. I also examined how the CRE differed when participants recognized individual faces presented sequentially versus in arrays of eight faces. Participants’ recognition accuracy was better for own-race faces than other-race faces regardless of familiarization method. However, the difference between own- and other-race accuracy was larger when faces were familiarized sequentially in comparison to familiarization with arrays. Participants’ response patterns during testing differed depending on the combination of familiarization and testing method. Participants had more false alarms for other-race faces than own-race faces if they learned faces sequentially (regardless of testing strategy); if participants learned faces in arrays, they had more false alarms for other-race faces than own-races faces if ii i they were tested with sequentially presented faces. These results are consistent with the perceptual expertise model in that participants were better able to use the full two seconds in the sequential task for own-race faces, but not for other-race faces. The purpose of Experiment 2 was to examine participants’ attentional allocation in complex scenes. Participants were shown scenes comprising people in real places, but the head stimuli used in Experiment 1 were superimposed onto the bodies in each scene. Using a Tobii eyetracker, participants’ looking time for both own- and other-race faces was evaluated to determine whether participants looked longer at own-race faces and whether individual differences in looking time correlated with individual differences in recognition accuracy. The results of this experiment demonstrated that although own-race faces were preferentially attended to in comparison to other-race faces, individual differences in looking time biases towards own-race faces did not correlate with individual differences in own-race recognition advantages. These results are also consistent with perceptual expertise, as it seems that the role of attentional biases towards own-race faces is independent of the cognitive processing that occurs for own-race faces. All together, these results have implications for face perception tasks that are performed in the lab, how accurate people may be when remembering faces in the real world, and the accuracy and patterns of errors in eyewitness testimony.

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Localized muscular fatigue has been identified to have detrimental effects on balance control, an important skill for everyday life. Manipulation of attention focus instructions has been shown to benefit performance of various motor skills including balance and has been found to facilitate endurance during fatiguing tasks. The purpose of this thesis was to determine if the use of attention focus instructions could attenuate the effects of muscular fatigue on balance control. Twenty-four participants performed a balance task (two-legged stance on an unstable platform) before and after a fatigue protocol. Trunk sway, platform excursions, and lower limb muscle activity was measured. Results suggest that use of either internal or external attention focus instructions can reduce the immediate effects of muscular fatigue of the lower limb on balance control as shown through reduced trunk sway and platform excursions. These results have relevance for individuals performing balance tasks in a fatigued state.

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Limited academic attention has been given to the nexus between corruption in soccer and its impact on fandom. Consequently, the purpose of this qualitative study was to better understand the lived experiences of highly identified soccer fanatics living through this era of match fixing in the sport. Social networking site Twitter was utilized to recruit participants from three continents – Africa, Europe, and North America – based on submissions to the site in response to a perceived fix from a high-profile March, 2013 match. A total of 12 semi-structured interviews were conducted with highly identified soccer fans in accordance with Funk and James’ (2001) Psychological Continuum Model (PCM). Despite the majority of participants feeling skepticism about the purity of soccer today, half of the participants’ fandom remained unchanged in the face of perceived match fixing. Directions for future research and recommendations are considered and discussed.

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A letter from The Ontario Paper Co., Limited of Thorold, Ontario. The letter, dated 15 August 1949, celebrates the Thirtieth Anniversary of association between Arthur A. Schmon and the paper company. The letter praises the work of Mr. Schmon, "a leader of progressive thinking and action, a man with a true sense of values, sound judgement and a deep sense of justice". There are ten signatures at the bottom of the letter.

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A price list for Lawrence A. Wilson Co. Limited, 87 James St., Montreal Quebec. It is addressed to The Toronto Hunt, 52 Bay Street, Toronto. There are additional handwritten notes. One of the handwritten notes reads "ck to W. Stephen Haas"

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An announcement "inaugurating direct sales and Canadian shipments from our home distilleries James & George Stodart Established 1835, 80 West Nile St., Glasgow, Scotland, beg to announce appointment of Stodart's Canadian Agency Limited". Included in the brochure are prices, brands, guarantees and order information.

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Share certificate No. BP001, registered to Mrs. Bessie A. Barnes Barkley. The certificate has several shares transactions listed. The final number of shares redeemed on April 11th, 1957 is 316.

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A shares certificate issued to The National Trust Company for two hundred shares.

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A by-law "to fix the remuneration and expense allowances of directors". It reads "Be it enacted as a By-law of Barnes Wines Limited: 1. That each Director of the Company be paid the sum of Seventy-five ($75,00) Dollars annually in respect of general services rendered by the Director in his capacity as Director, such remuneration to accrue from the date of his election or appointment as a Director. 2. That each Director shall be paid and allowed travelling and other expenses properly incurred in connection with the affairs of the Company. 3. That this provision shall be and remain in force and effect in the fiscal years of the Company, 1971 to 1973 both inclusive. Enacted this 8th day of February, 1971."

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The note at the start of the resolution reads: "A special resolution to authorize an application for supplementary letters patent varying the authorized capital of the company by re-classifying and changing certain shares and increasing the capital of the company by the creation of additional preference shares".

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A list of company by-laws starting July 1873 through April 1973.

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By-Law no. 75 begins "A by-law to govern the affairs of the company and repealing the by-laws of the company passed heretofore relating to the administration of the affairs of the company".