A
Set of beliefs and practices that aim to improve the genetic quality of a human population.
Eugenics
Part of your nervous system that lies outside your brain and spinal cord.
Plays key role in both sending information from different areas of your body back to your brain, as well as carrying out commands from your brain to various parts of your body.
Peripheral nervous system
Made up of the brain and spinal cord.
Central nervous system
Part of the ANS, predominates in quiet “rest and digest” conditions.
Example: slow heartbeat, stimulate digestion, gallbladder, contract pupils, etc.
Parasympathetic nervous system
A state of recovery that occurs after a neuron has fired an action potential.
During this period, another action potential cannot be easily produced.
Refractory period
Type of NT
Responsible for movement, learning, attention and emotion
Dopamine
Type NT
Responsible for perception of pain and pleasure,relieve pain, reduce stress and improve your sense of well-being
Endorphins
Type of Hormone
Stimulates appetite and signals your brain when it's time to eat
Ghrelin
Type of Hormone
Brain produces in response to darkness. It helps with the timing of your circadian rhythms
Melatonin
a type of drug that changes a person's perception of reality
a person see, feel and hear things that aren't real, or distort their interpretation of what's going on around them.
Hallucinogens
One of the four major lobes of the cerebral cortex in the brain, responsible for processing auditory information and with the encoding of memory.
Temporal lobes
Region of the brain that contains neurons involved in speech function. Damage will lead to speech disorder, expression speech
Broca’s area
Brain's ability to adapt and change at molecular and structural levels in response to physiological or pathological conditions.
Brain plasticity
Physical, mental, and behavioral changes an organism experiences over a 24-hour cycle.
Circadian rhythm
Gustation Types (6 types)
sweet, sour, salty, bitter, umami, oleogustus (fat)
A condition that makes people very sleepy during the day and can cause them to fall asleep suddenly.
Narcolepsy
Causes a sleeping person to walk around or do things that should only happen when awake.
Somnambulism
Amount of difference required for us to recognize that two items aren't the same.
Just-Noticeable Difference
A mechanism, in the spinal cord, in which pain signals can be sent up to the brain to be processed to accentuate the possible perceived pain, or attenuate it at the spinal cord itself
Gate control theory
A problem transferring sound waves anywhere along the pathway through the outer ear, tympanic membrane (eardrum), or middle ear (ossicles).
Conduction deafness
A theory that states there are three different color receptors in the retina.
Trichromatic theory
An image that continues to appear in the eyes after a period of exposure to the original image.
Afterimages
Face blindness
A cognitive disorder of face perception in which the patient cannot recognize familiar faces even himself.
Prosopagnosia
Pain that you feel in the part of a limb that was removed after an amputation
Phantom Limb
The movement, gravity or balance sense
Allow us to maintain our balance while engaged in activities because of this sense and stay upright when we sit and stand.
Vestibular sense