Chap 6 Flashcards
What is the condition of a split brain patient?
Their corpus callosum is severed
What does Dennett argue consciousness is?
A bag of tricks, a result of several processes in the brain.
What is conscious content?
Subjective internal and external world
What are states of consciousness?
Different levels of arousal and attention.
What is attention?
The process of selecting information to focus on
What is the difference between passive and active attention?
Passive attention is dictated by the stimulus, and active attention is dictated by a top down command
What is selective attention?
It is the attention to one source while ignoring others
What is stimulus salience?
The ability for a stimulus to capture attention
What is attentional capture?
When a stimulus grabs ones attention
Can learning and experience help direct attention?
YUPPERS
What is dichotic listening?
different sounds played in different ears to measure attention
What is automaticity?
Fast and effortless processing of information
How do we know if a process is automatic?
It doesn’t impair another task.
What are the 5 stages of sleep/wakefulness?
- Relaxed wakefulness (alpha waves)
- Alert Wakefulness (beta waves)
- Stage 1 sleep (Theta waves)
- Stage 2 sleep (K complexes and sleep spindles)
- Slow wave sleep (delta waves)
- REM sleep (theta waves and beta waves)
What is conditioned insomnia?
The idea of falling asleep is associated with not being able to sleep and causes anxiety.
What is idiopathic insomnia?
Child onset insomnia, which is a CNS dysfunction
What are the two major categories of dysomnias?
Insomnia and hypersomnia (sleepiness)
What is a major cause of hypersomnia?
Sleep apnea
What is narcolepsy and what is the name of the biggest symptom?
Narcolepsy is when one is afflicted with sudden urges to sleep, or has cataplexy attacks (extreme muscle weakness)
What are the two types of narcoleptic hallucinations?
Hypnagogic (before sleep), or hypnopompic (before waking)
What is a circadian rhythm?
It is a daily biological clock.
What are zeitgebers?
time cues for biological clock
What is located above the optic chiasm and is responsible for the setting of the circadian rhythm?
The suprachiasmatic nucleus
What are the three neurotransmitter effects of alcohol?
It inhibits glutamate (excitatory), and increases GABA (relaxation), and increases dopamine effect
