Chapter 5: Consciousness Flashcards
Consciousness
A person’s subjective experience of the world and mind
Subjective
your own interpretation
Problems about studying consciousness
not tangible. every one has their own view
How to know if someone is conscious
1) Capacity to experience pain and hunger
2) Capacity to feel, think
3) Capacity for self control
Mind and body problem
They are really are seperate
Rene Descartes said
“I think, therefore I am”
Properties of consciousness (4)
Intension
Unity
Selectivity
Transience
Intension
Directed toward something
Unity
Consciousness is a whole
Selectivity
Pay attention to something
Transience
Constantly moving (william James)
Levels of Consciousness
Minimal Consciousness
Full Consciousness
Self Consciousness
Self Awareness
Minimal Consciousness
not asleep, but minimal
Full Consciousness
Rarely happens, never fully Conscious
Self Conscious
Looking at yourself as an object (How people see you)
Self Awareness
Do you understand you are a separate individual
Thought suppression
Fyoder Dostoyevsky 1821-1881
Fun Fact
Sometimes we make better decisions with our unconscious mind
Sleeping on it / deciding on the spot
Sleeping on it is always better
Collective Unconsciousness
C.G Jung
Joseph Campbell
Prof og mythology and religion
Sleep
We spend 1/3 of our lives sleeping
What is sleep?
Altered states of Consciousness
During sleep (NS)
Our nervous system is not inactive
When we sleep
New memories, including learning are established and integrated. Necessary for consolidation
During Sleep
- Body repairs itself
- Tissue grows
- Immune system strengthened
- Blood supply to muscles increase
- Growth Hormones released
Unhealthy weight gain
Sleeping less than 7-8 hours a night
Ghrelin
Tells you to eat more (Hormone)
Leptin
Tells you, you are full
When tired:
Your Ghrelin goes up and Leptin goes down
Sleep is like a washing machine
Your brain cells clean themselves, brain cells generate waste products during regular tasks
Glymphatic System
Flushes out toxins between your brain cells
When sleeping, what happens to brain cells?
They shrink by up to 60%
Sleep loss results in reduced:
Memory, sexdrive, alcohol tollerance
Cutting sleep affects
Mood and motivation
Cutting one hour of sleep
Greater risk for depression, less emotional control, amygdala and other circuits are 60% more reactive