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BIO 652
NA
105
Biology
Undergraduate 4
05/09/2015

Additional Biology Flashcards

 


 

Cards

Term
Can we have Behavior without a nervous system?
Definition

YES: E.COLI (bacteria) 

can move around actively--

Tumble or Swim straight forward 

 

Ex) if something is good, approach it/swim straight. If bad tumble to change direction and continue 

Term
Theory of Mind
Definition

-Expectation/theory of what other people are doing 

-issues that go on in your mind 

~innately predisposed: human behavior 

 

 

Term

Theory of Mind based on religious beliefs

 

Definition

1. Judiasm 

2. Christianinty

3. Islam 

 

Control system behind behvaior is the soul 

Term
Scientific effect
Definition

if nerce cut, cant move arm 

-Sense cut, brain damage, behvaior damage 

 

Term
Aristotle
Definition

Soul as immaterial 

-Animals have no soul (half a soul) 

-Brain is good for cooling the body, heart is how you feel 

 

Term
18th Century Mind Developed
Definition
Damage brain, damage behavior
Term
Rene Descartes
Definition

Cartesian Dualism 

-All have a soul and nervous system 

DIVISION of MIND & BODY 

Term
Res Extensa
Definition
extended in space & time can be measured
Term
Res-Cogitans
Definition
reasoning & thinking is what the soul is doing
Term
20th Century Idea
Definition

something supernatural within the machine 

--dualism 

Term
Broca's Area
Definition

producing language in left side of the brain 

1 of 2 centers 

 

*MATERIAL PART OF THE BRAIN NECESSARY FOR LANGUAGE PRODCUTION 

Term

Weirnicke's Area 

 

Definition

comprehend speech

2nd of the centers in the left side of the brain 

 

*MATERIAL PART OF THE BRAIN NECESSARY FOR LANGUAGE PRODUCTION 

Term
Link between 2 substances of Dualism
Definition

Central part of the brain/ 2 hemispheres 

-Pinal gland: establish link betwen mind and soul 

PG produces homrone Melatonin at night and we can test what part of the brain is active/responsible 

Term
Processing of input information
Definition

Conciousness is useful source 

~0.5 seconds to recieve stimulus/respond 

-faster for innate responses 

Term
Contagonal Split
Definition

psychological vs biological explantations 

FUNCTION OF GUILT 

Term
Monsim
Definition

only one kind of ultimate substance 

-if person is guilty of psychological resaons -> prison &jail have disorders 

 

Term

20th Century Christian 

 

Definition

only humans have soul, NO ANIMALS 

-in afterlife, go through pain of leaving souls of pets 

-brain function of animals similiar to ours but they have no soul 

 

Term
E.O. Wilson
Definition

-understanding interaction of humans & animals 

Sociobiology -- anti/social behavior 

ELIMINATION FO CARTESIAN DUALISM 

Term
Ethology
Definition

study of animal & human behvaior 

philosophy of Mind in 20th century 

 

Term

Cognitive Revolution 

 

Definition

missing idea of desire & motivation 

-input & output -- reasoning/decision making 

-intelligence is NOT all that is needed for future/success (more is needed) 

*SOCIAL INTERACTION 

 

Term
Skinner Box
Definition

house mouse in studies for brain function 

*BRAIN PATHOLOGY

-brain atlas obtained from house mouse shows similiar connections to human brain 

Term
Conciousness-End of 20th Century
Definition

Cells in the brain fire once we consiously "see' 

~0.5 seconds conciousness in the eye

*CONCIOUSLY EXPEREINCED CELL FIRE ACTIVITY 

[Objects & specific neuron fired] 

 

Epilsey -brain goes into random acitvity and seizures start in small focus then spread out (electrodues to determine location) 

Term
Behavior Unviersals
Definition

study simple vs complex

-want to increase fitness 

-what nurtients are they looking for: if something good, approach/swim straight to it 

-if something bad-tumble/try again 

 

BEHAVIOR CONTROL 

 

Term

Types of behavioral receptors 

 

Definition

good - approach 

bad-retreat

 

CONTROL OPPOSITE BEHAVIOR 

Term
E.Coli
Definition

simple behavior 

-recieve and detect chemicals (INPUT) 

-probiotic vs poisoning- go straight or tumble 

-up gradient vs down gradient-is the present higher or lower 

 

Term
What are the universal subsytems?
Definition

nervous system 

*BEHVAIORAL SUBSYSTEMS 

 

Term
Perceptual Subsystem
Definition
Detecting stimuli through interphase and transduction
Term
interphase
Definition

molecule that is attatched to the membrane 

EX) talking changes air pressue into electromagnetic signals 

-receptor function 

Term
Transduction
Definition

reduction of information through processing 1.stimulus and 2.classification 

-heirachy process: # of classes (good/bad) should not be larger than # alternative behavior outputs 

Term
Motor Control System/ Cognitive Substem
Definition

MEMORY -mamalian/vertebrate memory 

3 subtypes 

Term
Long Term Memory
Definition
at least an hour at most or a lifetime
Term
Working memory
Definition

aka short tem memory 

used before make a decision to decide what is best thing to do in every situation 

-may take a long time

Term
Sensory Memory
Definition

put in useful form 

fractions of seconds 

perceptive store 

Term
Motivational Subsystem
Definition

innately built

eg) decision to eat vs not to eat is determined by nutrion level in your body 

Term
Inofrmational universals
Definition

concept of computation 

-often happens w/great ideas developed to improve 

ex) in warfare, to replace humans with machines/innovation 

Term
Cybernetics
Definition

N.Wierner- processing of info in living systems & computer 

Goal: INFO PROCESSING 

 

CONTROL & INFORMATION 

Term
C.Shannon (Bell Phone Company)
Definition

need measure for use of powerline 

 

EX) how much genetic info transmitted to next generation 

Term
Allen Turing 
(Computer Science Thoery)
Definition

decoded nazi code machine 

-father of computer science 

-devloped in UK 

 

*DO BRAINS OF ANIMALS & HUMANS COMPUTE? 

Term
Turing Test
Definition

how computer could imitate human behavior 

Deep blue vs World master Chess player

-Deep blue won

 

*Can test idea/theory by implementing it into a computer  

 

Term
Information Theory
Definition

info must be independent of the meaning 

in terms of quantities measured by # of bits necessary to code it 

-how much items do we store in our long term memory 

 

Term
Coding
Definition

Universal Code = BIT
Binary digit (2 distinct)

transcoded into binary code 

EX) use binary codes to code info in communication  

-branching heirachy: 2^I=N 

 

Term
Game of 20 Questions
Definition

how many questions needed to come to item of long term memory

~average of 20 questions: must be smart 

 

*TO QUANTIFY THE AMOUNT OF STORAGE, CAN USE INFORMATION THEORY 

Term
Cause & effect Relationship
Definition

used to make predictions 

EX) know your response to food stimulus

 

Term
Stimulus Information
Definition

tons of human receptor cells 

*INTENSITY OF THE STIMULUS BASED ON THE # OF RECEPTOR CELLS ON SURFACE

-mechansims of info reduction 

Term
Central decision maker
Definition

context of the working memory

ex) 12 digit phone number- to store in working memory, will make mistakes (temporarily store) 

 

7+/- 2 digits can be stored in working memory 

Term
Motor Information
Definition

output

informational bottleneck- connects input to output 

-sophisticated information reduction by obstraction 

Term
Sources of Information
Definition

1. stimulus information 

2. Genetic information: no genes=no behavior 

3. Memory Information 

4. Random information:all behavior has a raondom component 

Term
Fixe Action Patterns
Definition

duration & amplitude 

-demonstrating amound of genetic behavior 

*COMPOSITE OF 2 SOURCES OF INPUT

-all behavior has a genetic component 

 

Term

Spontaneous Behavior 

 

Definition
all behavior is either spontaneous or responsive
Term
Determinism
Definition

extreme formality: PAST DETERMINES FUTURE

-cause & effect relationships 

-everything you do is predetermined 

ex) criminal starts killing-> death penalty
~if predetermined, he is innocent  

 

 

*Conflict rises between behavior & determinsim

Term
Can everything be random?
Definition

NO, some can be predicted 

ex) computer produce something that looks like random #s- formula behind to predicts #s 

Term
Metaphysical Terms
Definition

determinism & randomness 

-matter of belief w/no proof that is acceptable 

-erros can be large or small but can never reach randomness or determinism for sure 

Term
Stochastic
Definition

all mixtures of predicatble and unpredictable components 

-the aw of all scientific laws 

*ALL BEHAVIORAL SYSTEMS ARE STOCHASTIC SYSTEMS

-Behavior has a raondom component but sensory and memory components are optional 

Term
Randomness
Definition

behavior is stochastic 

fixed action patterns (highly) due to random component

-random behvaior is better than no behavior 

 

*UNCONTROLLED & CONTROLLED RANDOMNESS

Term
Randomness is helpful for:
Definition

1. searching for necessities - ignorance 

ex) randomly move in space/search for food to satisfy a need

2. Competitive nature

ex) if someone is shooting at you, better to go in random pattern than a straight line to avoid bullet 

Term
Psychopysicist
Definition
study stimuli and response relationship
Term
Weber's Law
Definition

describes relationship between randomness & behavior in a lawful way 

-just noticeable differences-- inductive reasoning 

-limitation of working memory 

valid to humans, animals, insects etc., 

 

Term
Can increase randomness in behavior?
Definition

YES 

 

eg) E.Coli bacteria -swimming straight (predictable) & tumbling (unpredicatable) 

control of stochasticity 

Term
Incomplete Knowledge
Definition

produce randomness or go extinct

-always a limit of pure knowledge 

-learn by comparison 

Term
Question of Free will
Definition

determinism says everything is determined 

-acting: none is imperically determined

-DO not have free will-no one could be responsible for what doing/ cant arbiturally control behavior 

STOCHASTIC CONTROL TO INCREASE FITNESS

hole of randomness=ignorance 

Term
Chaos Theory
Definition

randomness that cannot further explain 

eg) unreliable weather forecast 

only slightly change some points-drastically chance forecast

EX) butterfly fluttering-amplified by tornado 

 

Term
Snowball effect
(chaos theory)
Definition

tiny events have enourmous effects

impossibillity for precise predictions 

Term
Other contexts to produce randomness behavior?
Definition

1. metacognition-knowing what you konw/dont know 

important tool 

2. Game theory-making decisions that increase fitness under conditions 

ex) football to win develop strategy that oponent doesnt know/random 

 

Unpredicatablility can save your life 

Term
Perception
Definition

input to perceptive system=infor of stimuli 

-stimulus informtation to your brain 

-sound or odor- follow nerve into brain 

Dedicated transmission light: nerve fibers and receptors acitvated 

 

Term
Fisher's Law
Definition

order intensity & sound 

The rate of increase in fitness of any organism at any time is equal to its genetic variance in fitness at that time

y=logx


Term

Qualities 

 

Definition

sound plays a role in human communication & music 

-musical sounds & non musical sounds are adaptations sound perception 

SOUND=STIMULUS 

 

**ALL VERTEBRATES PERCIEVE SOUND EVEN IF DON'T HAVE OUTER EAR

ex)snakes, fish detect water vibrations 

Term
Vibrations
Definition

vibrations in the air can be detected as sound waves are pushed 

-oscillating/standing waves 

-time represnets frequency of threshold 

 

ex) ear on railroad track (Metal) can hear train coming much faster than ear in air 

 

Term
Speed
Definition

fastest speed is in diamonds

air=300 m/s sound travels --much slower than light 

-light travels faster - 40m/s : lightning 

 

 

ALL VERTEBRATES CAN PERCIEVE SOUND 

Term
Frequency
Definition

frequency varies between animals 

-Humans: 20hz-20,000 hz

above=ultra sound (small mammals)

below=infrasound (larger animals)

 

Ex) if pitch is high enough small animals can communicate w/out predators hearing 

Term
Infrasound Example
Definition

elephants

-can communicate over distances w/out us knowing 

same with other large mammals 

DIFFICULT TO INVESTIGATE 

 

Term
Human Hearing
Definition

started with the science of music 

Noise and Tones 

Term
Noise
Definition

UNPLEASANT 

-stimulus of sound is RANDOM of intensity/frequency

-human language made up of consonants

-Multiple frequencies 

 

ex) walking in leaves-animal fears/dangers response to this sound 

 

Term
Tones
Definition

PLEASANT 

-combos of frequencies 

NOT RANDOM 

-human language made up of vowels (singing)

-restricted to certain mathematical numberic relationships 

 

100hz, 200hz, 300hz,400hz- everything in between is more or less unpleasant 

Term
Cochlear
Definition

translates sound into nerve impulses to be sent to the brain

-it is shortened by winding itup since humans is ~3.6 cm in length 

Term
Sound
Definition

-a wave that needs a substrate to propogate empty space 

-light can be emitted to empty space 

-is not a transversal wave 

-speed of sound dependent on material 

 

ex) water 5x faster than air 

in air-speed of sound depends on temp,density & humidity:300m/s 

Term
Frequency Range of Hearing
Definition

20hz-20khz 

-hearing spectrum differences between species

small-HIGH frequencies

large-LOW frequencies 

 

Term
propogation of sound
Definition

INTENSITY 

-inverse square law 

Sound converging into heat: High@ low frequencies & long wave lengths = low frequencies

LOUDNESS 

-high frequencies travel short distances & low energy 

ex) whisper 

 

Term
Noise & Tones
Definition

important for communication & language 

-consonants (Noisy) & vowels (tones_ 

-emphasis is tones/vowels & de-emphasize constonants/noise 

 

Term
Tones
Definition

-recognize tones as highly predicatble structure 

-structure of tones linked w/evolutionary theory 

 

Term
Tone Frequencies
Definition

-single or multiple 

-all tones have one basic fundamental (lowest) frequency with upper harmonics 

-if tone w/FF- all multiples of another, upper hamonics partial apart

-if tone w/pitch- cannot hear all the frequencies that make up the tone/dissapear 

Term
Tone Frequency Rule
Definition

Multiply fundamental frequency by sequence of whole #s 

 -defines distributino of frequencies in a tone 

Term
Cochlea
Definition

take incoming sound(complex) decompozes it into its freqeuncy components 

*Fourier theory 

 

-analyze & tells brain what frequencies are present 

Term
Properties of Tones
Definition

1. Hardness 

2. Pitch

3. Timbre 

 

-harmonics are not completely ignored 

ex) colony of penguins-how find baby: sound communications and determine who is who 

Term
Tone production
Definition

-vibrating string -limits range of vibration

-fundamental frequency produced 

-frequency doubles- 1st harmonic 

*STRING PRODUCES # OF FREQUENCIES 

-each tone can be matched to source & identify source of tones 

 

Term

Cochlea Bandwidths 

 

Definition

closer frequencies get there is a point where cochlea cant tell if 2 points/ cant distinguish 

+/ 10% 

if more, than choclea can hear 2 tones & tell them apart 

Term
Limit Resolution
Definition

closer than 10% cochlea cant sense 

the average is the limit of resolution 

-if seperation of frequencies are superimposed- peaks shift/sum up & cancel out 

Term
Limit Reslution cont
Definition

 if seperation of frequencies are super imposed the peaks shift/sum up & cancel out

*ENERGY 

2 sound peaks can cancel or amplify 

 

Term
Beats
Definition

very fast fluctuations of loudness

-average tone or beats heard 

-beats- violin not properly tuned 

Term
Musical scale components
Definition

1. loudness

2.Harmony - matching instruments in tone 

3. Time - melody sequence in time 

 

all players at right time 

Term

Harmony 

 

Definition

-up& down in frequency w/out matching other frequencies/instruments 

-all whole multiples for all frequencies-- perfect harmony 

-producing a score can intentially give audience shock & return to harmony 

ex) piano keys repeat slef 

white keys in groups of 8 

-fundamental and overtone 

Term
Sound
Definition

important source of spatial information 

-detect distance & direction which can be estimated 

 

Term
2 Ears
Definition

sound comes from right, loudness is greater on right at high frequency 

-low frequencies hard to distinguish 

-left ear- sound has to cover greater distance and largest when sound comes at same time

-differences in arrival time, brain uses to detect 

-how much time does it take for sound to travel 3 cm?

300m/s /1,000 = 0.3 m

 

Term
Sound in animals
Definition

larger animals- easier 

small animals- mechanisms such as turn head or rotate ears --direction of sound 

-distance detected by loudness & frequencies 

-frequency distribution 

Term
3 components of music
Definition

1. Harmony

2. Melody

3. Rhythm- pure or complex 

Term
Octave
Definition

doubling of frequency- musical interval between 2 frequencies 

-constonants-- merge of 2 tones & upper harmonics 

 

Term

Spatial location 

 

Definition

SONAR - mechanism of animals: reflected sounds from some object 

-difference of loudness- detecting direcion 

-distance of the source of sound: loudness can estimate distance 

Term
Wave
Definition

light is transversal wave

color is longtiudal wave 

-light can travel through empty space/vaccum 

Term

Complementary Colors 

 

Definition

Yellow & blue 

every color has a complent 

-if saturate color vision w/one color, then brain produces complement of color internally 

-colors see maybe produced mental pauses 

Term
Complementary Color Properties
Definition

1. 1 pair of complementary colors. Any color on opposite side =white/ cancel out 

-never see more than 1 color 

2. if look at one color for a while then look at white, see complement color 

-true for every color 

-frame of coordinance-- circular coordinate system & close it with color purple 

 

Term
Complement Color Example
Definition

Primate find food 

-eat food that disperse seeds 

-add colors adding food inviting elements 

-give plants chance to propogate 

seeds ripen & change color 

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