Essay - The Effect of Environment on Memory Recall: Light Therapy Experiment...


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THE EFFECT OF ENVIRONMENT ON MEMORY RECALL: LIGHT THERAPY EXPERIMENT

INTRODUCTION

***** therapy is becoming increasingly acknowledged to have an impact on various c*****ditions known to mankind. For example, light therapy is ***** being used in assist*****g shift workers who have difficulty sleeping to reestablish their circadian rhythm following shift work and swing ***** work. Light therapy has been used and shown effective in treating what is commonly known as the 'winter blues' or depression that is related ***** cold weather and reduced natural light in the environment. This study examines light therapy in relation to the impact that this therapy has on the *****dividual mem*****y recall.

HYPOTHESIS

Because ***** *****rapy is so very effective in treatment of such a wide r*****nge of d*****eases and conditions, light also must play a role ***** the individuals' memory recall **********, brighter light will result in better ***** recall among a group of individu*****ls as compared to a group ***** individuals ***** are recalling events from memory in darkened or muted *****.

*****

The methodology in the study reported in this work is of a qualitative study conducted with ***** experimental and control group. Qualitative analys***** is utilized in ***** particular ***** because the data provided by participants is descriptive ***** nature and therefore, the method of analysis in this study is *****terpretative in nature.

The forty participants in this ***** were split into two groups for the purposes of this experiment. The first group went outside ***** approximately twenty minutes and the second group remained inside a darkened cl*****sroom. ***** participants in each ***** were asked to write about a childhood *****. The p*****rticipants writings concerning ***** memory were reviewed ***** the researcher and an assistant ***** the responses to the subject the participants were ***** about were analyzed according to the details provided as the participants described *****ir ***** from childhood and ***** to the adjectives or descriptive w*****ds ***** which included that concerning:

*****) color;

*****) smell;

3) texture;

*****) temperature; and 5) feelings.

SAMPLING/PARTICIPANTS

***** were 40 participants in ***** study all of whom were of ***** age eighteen years or older.

***** REVIEW

The w*****k of Bersani, et al (2008) entitled: "Pilot Study Of Light Therapy And Neurocognitive Performance of Attention And Memory in Healthy Subjects" relates a study ***** the purpose ***** *****vestig*****ting whether light therapy improved healthy *****s' neurocognitive performance of attention, memory, ***** language." (Bersani, et al, *****) This study reports ***** ten subjects ***** treated with bright ***** for five days and a control group of ten ***** received no treatment. Assessment was conducted ***** a "battery of neurocognitive tests which included the following:

Strooper Colour Word Interference Test

The Verbal Fluency Test;

The Story Recall Test; ***** The Words Pairs ***** Test." (*****, et al, 2008)

An*****ysis in this study showed "improvements in cognitive scores ***** both groups, although on all the cognitive ***** the mean difference scores between baseline and endpoint were significantly larger in the light-treated group. These preliminary *****s sugge*****t

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