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Consciousness, Brain, and Behavior Flashcards

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2472312469List the levels of alertness from most alert to least?awake, drowsy, asleep, coma, death0
2472315559EEG measure what?wave-like patterns used to monitor internal neural activity in the brain and ives info about the location of abnormal activity in the brain1
2472321062what type waves are recorded when the eyes are closed and the person is relaxed?alpha waves (more spikes and peaks)2
2472321799what types of waves are recorded when the person is alert?beta waves (more flat)3
2472329246why is sleep so important? (3)1. conserves energy 2. repairs and restores 3. helps with learning and memory consolidation4
2472335230what does the circadian rhythm serve to regulate?sleep/wake cycle, frequency of eating, body temp, hormones, volume of urination, sensitivity to drugs5
2472338689T/F: the circadian rhythm changes as a function of age?true6
2472341177T/F: the circadian rhythm remains consistent despite the lack of environmental cues indicating the time of day?true7
2472344692T/F: the circadian rhythm is similar between most people and lead similar wakefulness and alertness patternsFalse; it differs between people8
2472347517T/F: the circadian rhythm runs fast in bright light so subjects have trouble sleepingTrue9
2472351480What is the duration of one EEG cycle?90 mins10
2472352965how many cycles typically occurs in one night of sleep?4-8 cycles11
2472357574In what stage of sleep do we see: - alpha waves - EEG is irregular, jagged, low voltage waves -Brain activity is declining -some thea waves interspersedStage 112
2472358907In what stage of sleep do we see: -sleep spindles -K complexes with sharp high amplitudes negative waves followed by smaller, slower positive wavesStage 213
2472368854In what stage of sleep do we see: -slow wave sleep (SWS) -EEG records slow, large amplitude waves -slow heart rate and breath -slow brain activity -highly synchronized neuronal activityStage 3 & 414
2472370289In what stage of sleep do we see 20-50% delta activityStage 315
2472371342In what stage of sleep do we see greater than 50% delta waves?Stage 416
2472372901A period characterized by rapid eye movement during sleep?REM17
2472373756REM is also known as?paradoxical sleep because its deep sleep in some ways but its light sleep in other ways18
2472375777In what stage of sleep do we see irregular, low-voltage, and fast wavesREM19
2472376863In what stage of sleep do we see postural muscles of the body more relaxed than in other stagesREM20
2472378913T/F: as the sleep cycle progresses REM sleep gets shorter and shorterFalse; REM sleep gets longer21
2472386051What 4 areas of the brain control the sleep wake cycle?1. suprachiasmatic nucleus 2. pineal 3. locus coerulus 4. raphe nuclei22
2472390887what are the 2 sleep centers of the hypothalamus?1. posterior hypothalamus (tuberomammillary region) 2. anterior preoptic & basal forebrain of Meynert23
2472393204what area of the hypothalamus: -promotes alertness -uses histamine as a neurotransmitter -orexinposterior hypothalamus24
2472395814What area of the hypothalamus: 1. has the suprachiasmatic nucleus that controls the circadian rhythm 2. promotes sleep 3. inhibits the posterior hypothalamus regionanterior preoptic & basal forebrain of Meynert25
2472401324what 2 hormones are part of the aminergic activating system?norepinephrine and serotonin26
2472402660what hormone is part of the cholinergic activating system?acetylcholine27
2472404025What would an increases in norepinephrine/serotonin and decrease in acetylecholine dopromote wakefulness28
2472406350what would a decrease in norepinephrine/serotonin and increases in acetylcholine do?promote REM sleep29
2472408288what would increase activation of the thalamus, increases histamine, and decrease GABA do?promote wakefulness30
2472409752what would a decreases in activation of the thalamus, decrease histamine and increase GABA do?promote NREM sleep31
2472413773what center controls the activation and inactivation of the thalamus and cortexhypothalamus and circadian centers32
2472417629what neurotransmitter are involved in promoting wakefulness (3)?acetylcholine, norepinephrine, serotonin33
2472423365what neurotransmitter is involved in decreasing sleepacetylcholine, norephinephrine, serotonin34
2472429897what neurotransmitter is involved turning REM sleep on?acetylecholine35
2472431522what neurotransmitters are involved in turning REM sleep off?serotonin& norepinephrine36
2472434691suprachiasmatic nucleus is also known as thecircadian rhythm center37
2472435638the circadian rhythm controls1. genes that produce certain proteins 2. hormone levels = melatonin38
2472438300what structure is part of the hypothalamus and the main control center of the circadian rhythm for sleep and temperaturesuprachiasmatic nucleus (SCN)39
2472440130if the suprachiasmatic nucleus is damage what can resultless constant body rhythms that are no longer synchronized with the environmental patterns of light and dark40
2472442512what 2 types of genes are responsible for generating the circadian rhythm?Per and Tim gene41
2472443068the Per gene controls what?period of time42
2472444120the Tim gene controls what?timelessness43
2472444944mutations on what gene would result in an odd circadian rhythmPer gene44
2472446542the SCN regulates what gland for endocrine control ?pineal gland45
2472447593the pineal gland secretes this hormone ?melatonin46
2472449315What is the term that describes the external cues which help to set the circadian rhythm?zeitgebers47
2472450523what is an important factor for zeitgeberslight48
2472451117a human free-running cycle is how long25 hrs49
2472455379what term describes a state of unconsciousness lasting more than 6 hours, the person fails to respond normally to painful stimuli, light, or sound. There is a lack in normal sleep-wake cycle, and there is no voluntary actioncoma50
2472459969what term describes the absence of brainstem and cerebral function. Sometimes there is a flat EEG for 30 mins and there is a great reduction in cerebral circulationbrain death51
2472462352a term that describes things we are aware of that include internal and external with sensory awareness being obvious aspectsconscious experience52
2472463061fatigue, thirst, and happiness are all examples of what?conscious experience53
2472464331To avoid distraction of irrelevant stimuli, while focusing on stimuli that are importantselective attention54
2472465262process of procedure that occurs in response to a repeated stimulushabitutation55
2472466806a decrease in elicited behavior resulting from repeated presentation of an elicting stimulusprocess56
2472469862repeated presentation of eliciting stimulus that may result from habitutation, sensitization, or habitual processingprocedure57
2472472741the locus coeruleus improves whatinformation processing for selective attention58
2472473671the cerebral cortex helps with attention how?association area that directs attention and improves info processing during directed attention59
2472475822neural damage in the right parietal lobe results in what?unilateral perception of the visual world60
2472480601what term best describes behavior that is directly related to homeostasis?primary motivated behavior61
2472481564what term best describes behavior that is not directly related to homeostasis. Influenced by habit, learning, intellect, and emotionssecondary motivation behavior62
2472485627which area of the brain do psychoactive drugs target to change behavior?mesolimbic dopamine pathway63
2472489261what term describes a relationship between an individual and the environment based on the individual's evaluation of the environment?emotion64
2472490027what are the anatomical sites where emotion is controlled (3)cerebral cortex, forebrain, and limbic system65
2472491042emotional behavior is controlled by what ? (2)hormones and autonomic expression of response66
2472496296what is difference between motivation and emotion?motivation is controlled by habit and what we have learned, whether or not an event is rewarding or penalizes us emotion plays a part in motivation because it affects how we see a situation67
2472502794what 4 things does the limbic system control1. learning 2. motivation 3. appetite 4. emotional response68
2472504562what type of memory is associated with actual events in a person's direct experiencedeclarative memory69
2472507629what type of memory is associated with knowledge of the sequence of events and the relationship between eventsprocedural memory70
2472509283short term declarative memory is controlled by?hippocampus71
2472511917long term procedural memory is controlled bybasal nuclei, cerebellum, and sensorimotor cortex72
2472514165memory is related tostrength of synaptic connections73
2472515581what term says that repeated stimulation of a pathway, increases the synaptic strength of that pathwayHebbian rules74
2472535248what disease involves memory loss in otherwise alert patients and impairment in at least one other area: language, problem solving, attention, or perceptionalzheimers dementia75
2472537858what 3 factors can lead to Alzheimer's disease?1. neurofibrillary tangles in the cell due to normal aging 2. large extracellular amyloid plaque 3. loss of cholinergic neurones in the forebrain76
2472622513Wernicke's area controls what?the ability to formulate and processes sentences77
2472623361broca's areas controls what?the ability to speak and form words78
2472712528what happens if the wernicke's area is damaged?you can still speak but your sentences will not make sense, you will add in or leave out certain works and you cannot comprehend other people's sentences79
2472714987what happens if the broca's area is damaged?you will not be able to speak correctly, there will be halting speech, disordered grammar, but you can fully understand what others are saying80
2472720443term that describes an increase amount of drug needed for decreasing effectstolerance81
2472721579term that describes symptoms that appear upon the stopped usage of a drugwithdrawal82
2472727867what is the mechanism for tolerance and withdrawal?1. the drug will decrease the secretion of the endogenous ligand 2. increasing its degradation by enzymes or down regulation of receptors 3. the messenger lessens over time and more and more drug will be required to get the same affects 4. when a person stops using there will be a lower amount of activity in the neurotransmitter pathway which will bring on withdrawal83
2472733464Mushrooms and dimethyltryptamine is similar to which neurotransmitter?serotonin84
2472734995speed and adderall are similar to which neurotransmitter?dopamine85
2472743495a term that describes the disturbance in the ability to communicateaphasia86
2472744101language is controlled by what side of the brain?left side87

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