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Copy of Blindness

How can blindness affect you?

Ravi Parikh

on 18 April 2010

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Transcript of Copy of Blindness

visual impairment: Brain Plasticity Sensory Motor Modifications EVOLUTIONARY SIGNIFICANCE saba A.
Jiwon H.
Anita M.
Zainab R.
Ron S.

INTRODUCTION BRAIN STRUCTURE MOTOR DEVELOPMENT MEMORY ENHANCEMENT Memory Enhancement CONCLUSION REFERENCES Brain Structure Evolutionary significance Memory enhancement Motor Development Trigger #3 T61 WHere's WAldo? Amedi, A., Raz, N., Pianka, P., Malach, R., & Zohary, E. (2003). Early ‘visual’ cortex activation correlates with superior verbal memory performance in the blind.Nature Neuroscience,6(7), 758.

Finkenbinder, E. O. (1913). The curve of forgetting.The American Journal of Psychology,24(1), 8-32.

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Korte, M., & Rauschecker, J.P. (1993). Auditory spatial tuning of cortical neurons is sharpened in cats with early blindness.Journal of Neurophysiology, 70(4), 1717-1721.

Kujala, T., Alho, K., Paavilainen, P., Summala, H., & Näätänen, R. (1992). Neural plasticity inprocessing of sound location by the early blind: An event-related potential study.Electroencephalography and Clinical Neurophysiology/Evoked Potentials Section, 84(5), 469-472.

Leporé, N., Voss, P., Lepore, F., Chou, Y., Fortin, M., Gougoux, F., et al. (2010). Brain structure changes visualized in early- and late-onset blind subjects.NeuroImage, 49(1),34-140.

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Paediatr, J. (2000). Early motor development of blind children.Child Health.36(2), 226–229.

Raz, N., Striem E., Pundak, G., Orlov, T., & Zohary, E. (2007).Superior serial memory in the blind: case of cognitive compensatory adjustment.Current Biology. 17: 1-5.

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Surridge, A. K., Osorio, D., & Mundy, N. I. (2003). Evolution and selection of trichromatic vision in primates.Trends in Ecology & Evolution, 18(4), 198-205.
Evolutionary Significance Remember... RECALLING SERIAL MEMORIZATION SUPERIOR Auditory Lack VISUAL INPUT
Reliance on other senses Dichromats Angiosperm Radiation Visual Acuity Concept of PERMANENCE = DEVELOPMENT Auditory-visual ASSOCIATION AUDITORY-TACTILE Association ADEQUATE stimulation environment PET Scan PET Scans of EARLY-BLIND individuals
compared to
LATE-BLIND individuals Braille Reading Pitch Discrimination Auditory Recognition Thank you for Watching :) MATURATION & LEARNING What Can $20 Get You?
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