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

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


Because light *****rapy is so very effective in treatment of such a wide range ***** d*****eases ***** *****, light also must play a role ***** the individuals' memory recall therefore, 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 light.


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

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

1) color;

*****) smell;

3) texture;

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


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


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

Strooper Colour Word Interference Test

***** Verb***** Fluency Test;

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

***** in this study showed "improvements in cognitive scores in both groups, although on all the cognitive ***** the mean difference scores between baseline ***** endpoint were significantly larger in the light-treated group. These preliminary results suggest


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