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

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Light therapy is becoming increasingly acknowledged to have an impact on various conditions known to m*****kind. For example, light therapy ***** ***** being used in assisting shift workers who have difficulty sleeping to reestablish their circadian rhythm following shift work and swing shift work. Light therapy has been used ***** 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 exam*****es light therapy in relation to the impact ***** this therapy has on the individual memory recall.


Because ***** therapy is so very effective in treatment of such a wide range ***** diseases and conditions, light also must play a role in the individuals' ***** recall therefore, brighter light will result in better memory recall among a group of individu*****ls as compared ***** a group ***** individuals who are recalling events from memory in darkened or muted light.


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

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

1) color;

*****) smell;

3) texture;

4) temperature; and 5) feelings.


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

***** REVIEW

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

Strooper Colour Word Interference Test

***** Verbal Fluency Test;

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

Analysis 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 *****s suggest


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