Lecture 7 Flashcards

(60 cards)

1
Q

What is consciousness?

A

Awareness of both the external world (events around us) and the internal world (ourselves, thoughts, feelings, behaviors).

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2
Q

What is consciousness described as?

A

A stream of inner experience

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3
Q

Can the stream of consciousness shift?

A

Yes, it can flow from the present to the past or future.

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4
Q

Why is awareness vital?

A

Without awareness of internal and external experiences, being consciously human seems impossible.

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5
Q

Is consciousness simple or complex?

A

It is complex and dynamic.

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6
Q

In what states does consciousness take different forms?

A

Asleep, awake, focused, daydreaming, meditating, etc.

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7
Q

Why is consciousness difficult to study?

A

Because it is private—you cannot observe or directly experience another person’s consciousness.

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8
Q

What is one approach scientists use to study consciousness?

A

Asking people to introspect and describe their own conscious experiences.

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9
Q

inrospection

A

is a useful tool that takes advantage of humans remarkable ability to think about their own thinking, called metacognition. Introspection involves self report, however, it suffers from the same limitations as any self report measure.

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10
Q

A problem with introspection,

A

is that even if you could perfectly describe your conscious experiences, there is no guarantee that others would understand them the same way you do. Another problem is that, people often dont know what they are thinking.

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11
Q

Synesthesia:

A

in which people experience information from one sensory system as if it were coming through multiple scenes.

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12
Q

Inattentional Blindness

A

The failure to see something outside ones focus of attention

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13
Q

selective attention.

A

People can hold so many things in their awareness at any given time, so they tend to prioritize their awareness to whatever is relevant to their goals, to the exclusion of everything else, this state of heightened yet focused awareness

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14
Q

Change Blindness

A

When focused on a particular target, people also prioritize their attention toward certain aspects of target over others.

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15
Q

What is wandering awareness?

A

When your mind drifts away from the present moment and focuses on thoughts of the past, future, or unrelated ideas

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16
Q

Why is wandering awareness important?

A

It can help with creativity and problem-solving but may reduce focus on current tasks.

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17
Q

Mind-Body Problem

A

Central challenge in understanding consciousness, the question how the brain and consciousness are related

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18
Q

Dualism

A

Mind and body are separate entities - different quality or elements: the first to propose this concept was anaxogaras, arguing that plants, animals and humans are composed of nous (mind).

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19
Q

Materialism

A

Consciousness emerges from physical brain processes

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20
Q

Panpsychism:

A

Consciousness exists in all matter

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21
Q

Cartesian Dualism

A

the mind is non physical, non extended (takes up no space) Body: Physical and extended

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22
Q

Idealists

A

Mind is fundamental. Problem: why and how appears a consistent physical world

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23
Q

Neutral monists

A

Mental and physical are two different ways to represent the same reality, which is neutral. They say there is something out there and it can give rise to some mental things.

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24
Q

Materialist

A

Matter is fundamental, everything is matter. If everything is matter how would we account for consciousness?? The problem they have to answer is how can matter give rise to something that is clearly not matter

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25
Qualia:
Subjective, private aspects of mental experiences : The enefable sujective qualities of experience such as redness or red of an indescribable smell.
26
Subjectively or phenomenality
Consciousness means subjective experience or phenomenal experience. This is the way things seems to me, as opposed to how they are objectivly
27
What is Panpsychism?
The view that consciousness is a fundamental feature of the universe and that all matter, even very simple things like particles, may have some form of consciousness or awareness.
28
collective awareness state
The totality of the thought, feelings, impressions ect of a person or group; such a body of thoughts ect. Relating to particular sphere
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Self consciousness:
the awareness of our own awareness or consciousness. We can only be conscious of our own experience. Its a fundamental private experience, we cannot know what anyone else but us experiences.
30
The self
the thing that you perceive as your own identity. We believe we have the same self from when we were kids and will have the same self when we grow old.
31
Self awareness:
Refers to the ability to become aware of your own attention and become the object of your own attention.
32
What is the core claim of Ego Theory?
There is a unified, persistent “me” (ego) that experiences the world.
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How does Ego Theory explain unity of consciousness?
A single ego ties experiences together, giving one continuous self across time.
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What life function does the ego provide?
Continuity of our life story because the ego presents as our identity.
35
What does Bundle Theory say about the self?
No permanent self exists; the “self” is an illusion of connected experiences.
36
How does Bundle Theory describe experience?
Long sequences of mental states, events, and thoughts—like a bundle tied with a string.
37
What is the dynamic view of self?
The self is fluid and context-dependent.
38
How is the self continually reconstructed?
By memory, social interactions, and current goals.
39
What distinction is made between “I” and “me”?
The “I” (subject) can think about the “me” (object/self-concept).
40
: What is the “I” as core self?
Our immediate awareness—the experiencer.
41
What is the “minimal self”?
The bare sense of being the one who experiences the “now,” the “thing that looks out through your eyes.”
42
What is the self, materially speaking?
An abstraction/concept—there’s no single brain part you could point to as “the self.”
43
What follows from the self being a concept?
The self is not stable; it is constructed, generated, and dynamic.
44
How long does stage 1 last and what brain activty occurs
5-10 min Transition from alpha waves to theta waves.
45
What experiences are common? in stage 1 sleep
: Hypnagogic imagery (hallucinations) and myoclonic jerks (sudden muscle twitches).
46
How long does Stage 2 last? What brain patterns are seen?
10–30 minutes per cycle. Sleep spindles and K-complexes.
47
How much total sleep is Stage 2?
As much as 65%.
48
How long do these stages last? What brain waves dominate? in satge 3 and 4 sleep
5–30 minutes per cycle. delta waves
49
Why are these stages important? What percent of sleep is slow wave sleep? in stages 3 and 4 sleep
Crucial for feeling rested; suppressed by alcohol. ~40% in children, ~25% in adults.
50
How long does REM sleep last? What does brain activity look like? : What happens during REM?
: 10–20 minutes per cycle (longer later in the night). Similar to wakefulness. : Many vivid dreams occur.
51
Gamma waves:
eighted perception, learning, problem solving, tasks, REM sleep
52
Beta waves
Alert, normal alert consciousness, active thinking, REM sleep
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Alpha waves
; Physically and mentally relaxed
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Theta waves
Creativity, insight, daydreams, reduced consciousness,NREM sleep
55
Circadian Rhythm
The circadian rhythms are cyclical changes that occur on roughly a 24 hour basis. Some examples of cyclically changing biological processes are hormone release, body temperature, and brain wave activity.
56
what is the circadian rythm regulated by
It is regulated by neurons in the hypothalamus which triggers our sense of fatigue.
57
Circadian Rhythm chartersistics
24-hour biological cycle Regulated by hypothalamus Influences: Hormone release Body temperature Brain wave activity
58
Restorative process
sleep deficits often linked to cognitive deficits and prolonged sleep deprivation can lead to death
59
Cognitive processing
Cognitive functions of REM, possibly memory consolidation, possibly forgetting, possibly both, possibly insight
60