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Unit 2: Biological Bases of Behavior :, both influence by block the…
Unit 2: Biological Bases of Behavior
:
nervous
🧚🏽♀️
Neuron
☄️
structure
☠️
Soma=cell body
: assess all the information, screen information
axon
: pass info
Dendrite
: catch information
myelin sheath
: protect axon, speed up
Multiple sclerosis: movement & muscle
Nucleus
Axon terminal bottom
: form junctions with other cells
Firing
Resting
🥱 😴 🤤
Resting potential: the + ion don't come in
Polarzation: not firing
Firing
💥 🔥
action potential
: the inside of axon is negative charged ions, and outside is positive charged ions. The outside+ ion go in, and the inside - ion squeeze it out. This process formed action.
Depolarzation
: the process, cause action potential
Refractory
🤯
refractory period:
a period of inactivity after a neuron has fired
absolute refracting period
relative refracting period
Threshold
Types of neuron
Motor neurons
: carry info from brain to organs, muscles and glands
interneurons
: Bridge
Sensory neurons:
carry the sense to the brain
synapse
: space between each axon terminal bottom
synaptic transmission: electrical charge turn into a chemical message that go across the synapse
electrical charge: neurotransmitters(specific neurotransmitters hold specific emotion and motion) ⬇️
there are different type of neurotransmitters
Norepinephrine:
arousal, alertness😍, 🧐
Gamma aminobutyric acid
: , inhibitory, it blocks, or inhibits, certain brain signals and decreases activity in your nervous system :no_entry: :forbidden:
Serotonin
:mood, hunger, sleep, arousal😢, 🍔,😴,😍
Glutamate
: excitatory
Dopamine
: movement, emotion, learning, attention🏃♀️, 😢, ✍️,👀
Endorphins
: feel good chemical
Ach,
Acetylcholine
: enable muscle movement, memory, learning 👨🏻🦳, ✍🏻,📅
Drug?
Agonist: block the receptor site, and activate them
Antogonist: block the receptor site, and
not
activate them
chemical massage⬇️
recepter site: recive neurotransmitters
reuptake
: neurotransmitters reabsorbed by the sending neuron
Biopsychology
: the specialty in psy & bio interact
Franz Gall:
study of the localization of mental functions in the brain. Believe that the skill could reveal our mental abilities and character trails
Plato
: The first to correctly locate the mind in the spherical(球型的) head
Endocrine System
: gland: secrete hormones
pituitary
: control center, growth hormone👑
Adrenal
: epinephrine, norepinephrine, stress😤
parathyroid
: exciting🤩
Thyroid
: metabolism, 新陈代谢💩
pancreases
: blood sugar level, insulin🩸
Pineal
: melatonin, sleep cycle🛌
Gonods
👩 🧑
testis-estrogens
ovaries-androgens
Brain
🧠
different image
EEG
Structural image
CT
MRI
Functional image
PET
fMRI
old brain
Brainstem
Thalamus
: sensory🤲
cerebellum
: balance, basic movement, nonverbal movement🚶♀️
pons
: bridge, breath and live 🌬 💨
Medulla
: automatic functions❤️
recital
formation
: arousal nerve network😍
Limbic system
hypothalamus
: govern endocrine system, reward, hunger, thirst, body temperature, sexual behavior 👑 🍔 🥤🌡️ 💘
hippocampus
: a center of emotion, it process emotion and give emotion to where store it💭🕐 🕑 🕒 🕓 🕔 🕕
Amygdale
: emotion, fear and aggression 😢😨🤬
Cortex
1
Parietal Lobe: receive sensory🥶
Temporal Lobe: Auditory Lobe👂
Frontal Lobe: Decision making, thinking, speaking, making plan and judgment. 🧐
Occipital Lobe: Visual👁
2
Motor
Cortex: Voluntory movement
Sensory
Cortex: Skin surface and sensor organ
Accosiation
Area: higer mental function
Glial Cell:
language
Braca's area:
can understand, cannot speak
Wernicke's area
: cannot understand
lateralization: separate left and right hemisphere
left hemisphere
: control right body, logical and math skill
right hemisphere:
control left body, emotional, creating, speech, big picture concept
corpus callous:
the fibers connect left and right hemisphere
Split Brain
: cut the corpus callous,
Dual Processing
: The info processed on both conscious and unconscious trucks
Behavior
Gene
: the code of life
chromosomes
=DNA: 46
Autosomes
Sex
Chromosomes
Condition
Homozygous: pairs gene are the same
Heterozygous: pairs gene are not the same
Allele
Dominant Allele: control other one
Recessive Allele: doesn't show up
Types
genotype: your appearance or character are determine by gene
Phenotype: your appearance or character are determine by other
Heritability
: difference among people are attributed to gene
Environment-ability
:difference among people are attributed to environ
Twin study
Monozygotic: Ideal twin- same egg
Dizygotic: two spins and eggs
Evolutionary Psychologist: how human get to this step
nervous system
central nervous system
spain cord
brain
peripheral nervous system
Automatic
: no conscious movement
parasympathetic
: calm you down
sympathetic
: make you excited, fight or flight
Somatic
: voluntary movement
both influence by block the receptors.
-
-
Two ways to divide the area