Consciousness and attention

Consciousness

Can be defined as subjective, first person experience

Easy problems of consciousness

Understanding which brain systems, circuits, and activity patterns that contribute to consciousness

Hard Problem of Cosciousness

Understanding on how brain systems, circuits, and activity produce qualia.

Qualia

The elements of subjective experience

Anoetic

Subjective experience of the external environment. No consious knowledge or judment (bebe/toddler

Noetic

Awarness of the environment, as well as conscious knowledge. Does not require self awareness

Autonoetic

Inner, self aware form of subjective experience. Helps with fututure.1

REM sleep

dreaming so conscious

Clastrum Hypothesis of consciousness

There is a conductor which is the clastrum. Has experience between waking, dreaming and hallucinatory.

Integrated Information Theory (IIT) of consciousness

Consciousness is related to the ability of cortical regions to communicate and generate information by integrating eralier stages of stimulus processing. emphesizes cortical connections

Global Neuronal Workspace

Widespread broadcast across the cortex to produce a conscious experience.

Propofol

Drug that reduces consciousness levels, GABA

Attention

Proccess of selectiong which stimuli to focus on and which to ingore.

Overt Attention

Occurs when focus coincides with eye gaze

Cover Attention

Occurs when focus does not coincide with sensory orientation (eavedropping)

Inattentional Blidness

The faliure to perceive and remeber parts of an experience that you do not pay attention

Reflexive attention

Focus that is directed rapidly and automatically to a stimulus

Voluntary attention

Focus given by choice

Salience

Sensory properties of stimulus, like the intensity or contrast, to capture attention

Goal directed attention

Stimuli associated with desired goal

Value driven attention

Stimuli that predict positive or negative ouctcomes.

Superior Colliculus

Explains mechanishm of reflextive attention

Inferiorn Parietal Lobule

RInvolved in both covert and overt attention

Default Mode Network

Becomes active during waits, rest. COmpromised of prefrontal cortex, posterior cingulate guyrus, and medal tempora;l love