Inception: How plausible is it?

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We have been learning about the psychology of dreams and the implantation of false memories. All this new information has made me reflect on the movie Inception, where a lot of these concepts play a significant role in the plot's premise and development- I think it would be interesting to examine the scientific plausibility of infiltrating a person's mind via his or her dreams. We should all recognize that in order to enjoy the film, it is necessary to suspend our belief and appreciate that the movie is a fictional tale that takes liberties with scientific facts.

In actual life, dreams only occur during the REM stage and only 25% of our entire night's worth of sleep is at the REM stage of the sleep cycle, if at all (Lilienfeld). It usually takes a while for normal humans to reach REM stage, with the majority of sleep being in stage 2. However, in the film, after attaching the necessary wires, people immediately fall asleep and being dreaming.

When we rest and go to sleep, our brains partially shut down and become inactive so that it can heal itself. REM sleep is characterized by active suppression of motor activity and presynaptic inhibition of sensory signals (Squire et al 2008). In the scene where DiCaprio introduces Ellen Page to the dream state, the dreamers display a highly advanced level of cognition, awareness, and memory that contradicts neuroscience. The wide-ranging inactivation of prefrontal brain regions during REM sleep would not allow for such a dream to occur.

The purpose of entering someone else's dreams is to implant an idea into the person's mind. Based on what we discussed in discussion, this could possible occur. Our memories are malleable and suggestible and we oftentimes believe things that never actually ever happened before (Loftus). The businessman may actually believe that his father told him to divide the company.

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This page contains a single entry by weexx023 published on October 20, 2011 7:38 PM.

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