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 Why do we sleep?  How many sleep stages are there?  What brain waves are present during each stage?  How many sleep cycles do we rotate through in.

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Presentation on theme: " Why do we sleep?  How many sleep stages are there?  What brain waves are present during each stage?  How many sleep cycles do we rotate through in."— Presentation transcript:

1  Why do we sleep?  How many sleep stages are there?  What brain waves are present during each stage?  How many sleep cycles do we rotate through in a normal sleep setting?  When do we dream?

2 You Forget 90% of your Dreams Dreams Prevent Psychosis - In a recent sleep study, students who were awakened at the beginning of each dream, but still allowed their 8 hours of sleep, all experienced difficulty in concentration, irritability, hallucinations, and signs of psychosis after only 3 days. When finally allowed their REM sleep the student’s brains made up for lost time by greatly increasing the percentage of sleep spent in the REM stage. When you are snoring, you are not dreaming Toddlers do not dream about themselves until around the age of 3. From the same age, children typically have many more nightmares than adults do until age 7 or 8. Not Everyone Dreams in Color - 12% of sighted people dream exclusively in black and white – Red and Blue = most common colors Our dreams are frequently full of strangers who play out certain parts – did you know that your mind is not inventing those faces – they are real faces of real people that you have seen during your life but may not know or remember? The evil killer in your latest dream may be the guy who pumped petrol in to your Dad’s car when you were just a little kid.

3 Lucid Dreams = dreaming while you know you are dreaming; being aware that you are dreaming; being in control (ex: flying) Ordinary Dreams = dreams in response to something that has happened in your day/life Recurring Dreams = is just that…the same dream occurs over and over to the dreamer. May not be exactly the same, but the theme, actions, setting, feelings and outcome virtually remain the same. Prophetic Dreams = (AKA precognition or psychic dreams) Seemingly foretell the future, See the future through your dream. Epic Dreams = So compelling, and vivid they cannot be ignored. The details of such dreams remain with you for years, as if you just dreamt it last night. Upon waking you feel you have discovered something profound or amazing about yourself or about the world. It feels like a life-changing experience. Nightmares = disturbing dream that causes you to wake up feeling anxious and frightened

4 Freudian Theory… Freud believed that: dreams were “the royal road to the unconscious” Every dream incorporates some unconscious impulse or urge Dreams expose our inner desires, unconscious pains, and unacceptable wishes Dreams consist of two types of content… Manifest Content (Obvious) : The sensory images (usually visual) of the dreamer. What you actually see, feel, know, hear, etc… Fantasy in which latent wish or impulse is expressed Latent Content (Symbolic) : The unconscious thoughts, feelings, and wishes that give rise to manifest content. Latent content tells why a dream takes the form it takes. The connection between the two gets less obvious with age Freud believed latent content derives from three sources: 1) Sensory stimulation (storms, sirens, dog barking) “Dreams are the guardian of sleep” – incorporation prevents awakening 2) Current Concerns – thoughts, ideas, and feelings connected to the sleeper’s waking life. - again, incorporation prevents awakening 3) Unconscious id impulses – ego has blocked expression of these impulses during waking state. Often related to childhood conflicts.

5 Interpreting dreams involves examining manifest content, seeking its unconscious meaning. Free Association Universality of some symbols makes analysis easier… Authority figures – kings, queens, police officers, and so on - represent Parents Small animals – mice, squirrels – symbolize children Reference to water signifies birth; going on a journey symbolizes dying Uniforms and clothes stand for nakedness (mechanism of opposites) House symbolizes the human body. Plain walls = man Ledges, balconies or other projections outward = woman Sexual pleasure often symbolized by candy or sugar covered fruit

6  Dreams are physiologically driven  REM sleep = high brain activity  Neurons firing in brain which control movement and vision  In making sense of this random activity, the brain creates a story… a dream


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