Psychoactive Drugs
Psychoactive Drugs
What is substances that affect brain
activity?
The Master Gland
What is the Pituary Gland?
Serves as a communication network, transmitting sensory information from the body to the Central Nervous System
What is the Peripheral Nervous System?
The state of being aware and able to perceive thoughts, feelings, sensations, and surroundings
What is Consciousness?
Receiving and representing stimuli from our environment (Sight, smell, taste, touch, and hearing)
What is sensation?
Speed up body functions and enhance energy.
What are Stimulants?
Damage resulting in producing speech
What is Broca's Aphasia?
Promotes relaxation and restoring the body to a calm state after experiencing stress or danger.
What is the Parasympathetic Nervous System?
Characterized by drifting in and out of sleep
What is NREM stage 1?
Process where sensory receptors convert or change a physical/chemical stimulus into a electrical signal
What is Transduction?
Slow down body functions and neural activity.
What are Depressants?
Brain structure that plays a central role in emotional responses; fear, anxiety, aggression, and pleasure. Fight-or-Flight reaction
What is the Amygdala?
Consists of the brain and spinal cord. command center of the body, responsible for processing information, coordinating responses, and regulating bodily functions.
What is the Central Nervous System?
Stage of consciousness where memory consolidation and emotional processing occurs
Principle that the size of the Just-Noticeable Difference (JND) is proportional to the intensity of the stimulus
What is Weber's Law?
Drugs that prevent the reabsorption of neurotransmitters, increasing their activity
What is Reuptake?
Responsible for basic life-sustaining functions such as breathing, heart rate, and sleep-wake cycles. It serves as a pathway for neural signals traveling between the brain and the rest of the body, connecting the cerebral cortex to the spinal cord.
What is the Brainstem?
Nerve cells that serve as connectors within the central nervous system, relaying signals between sensory neurons and motor neurons.
What are interneurons?
Sleep stage where resource restoration occurs
What is NREM stage 3?
The combination of red, blue, and green allows us to perceive the entire color spectrum
What is Trichromatic Theory?
Psychoactive drugs that change how neurotransmitters operate by either enhancing or inhibiting their function.
What is agonists and antagonists?
Network of neurons that regulate arousal, attention, and consciousness
Responsible for activating the body's "fight or flight" response in times of stress or danger.
What is the Sympathetic Nervous System?
Excessive daytime sleepiness, sudden muscle weakness, hallucinations, and sleep paralysis
What is Narcolepsy?
Vision deficiencies that can lead to color blindness.
What is Dichromatism and Monochromatism?