People to Know
Chemicals
Brain
Disorder
Theories
100

This Australian neurologist believed that childhood events shape adult lives and personality.

Sigmund Freud

100

Released during extreme emotions like fear or excitement, triggers the fight-or-flight response, and increases alertness.

Adrenaline

100

Forward most part of the brain that controls reasoning, social understanding, executive functions, voluntary movements, and learning

Frontal Lobe

100

Excessive anxiety and worry about a number of events or activities. Symptoms must include anxiety and worry, and at least one of the following symptoms: restlessness, easily fatigued, difficulty concentrating, irritability, muscle tension, sleep disturbance,


Generalized Anxiety Disorder

100

Human behavior is influenced by unconscious memories, thoughts, and urges

Freud's Theory of Psychoanalysis

200

This Swiss psychologist observed his own children to test his theory.

Jean Piget

200

Effects mood, motivation, and movement. Associated with pleasure and reward.

Dopamine

200

The main function of this small part of the brain is to control movement, balance, and coordination. This part of the brain also helps with language, attention, and learning

Cerebellum

200

At least one of the symptoms is either (1) depressed mood or (2) loss of interest or pleasure, and at least 5 following: (1) Depressed Mood (2) Diminished pleasure or interest (3) Significant weightless (4) Insomnia or hypersomnia (5) Psychomotor agitation (6) Fatigue (7) Feelings of worthlessness (8) Diminished ability to think or concentrate (9) Recurrent thoughts of death

Major Depressive Disorder

200

Cognitive development occurs in 4 stages: sensorimotor, preoperational, concrete operational, and formal operational

Piaget's Theory of Cognitive Development

300

This American psychologist originally studied animals, which led to a popular psychology theory.

Edward Thorndike

300

A neurotransmitter that affects mood, sleep, appetite, and sexual desire

Serotonin

300

This part of the brain is responsible for memory and learning

Hippocampus 

300

A persistent pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development

Attention-Deficit/ Hyperactivity Disorder (ADHD)

300

Learning occurs through the formation of a stimulus-response. This theory has been broken into 3 laws:

The law of effect

The law of exercise

The law of readiness

Thorndike's Theory of Learning 

400

This Russian Psychologist was heavily influenced by Piaget, but argued opposite of him that ideas and skills are socially transmitted.

Lev Vygotsky

400

This hormone regulates the body's stress response, controls metabolism, and can regulate the fight-or-flight response.

Cortisol

400

This part of the brain is a part of the endocrine system as it produces and excretes necessary hormones

Pituitary gland

400

Persistent deficits in social communication and social interaction across multiple contexts

Autism Spectrum Disorder (ASD)

400

Children learn through social interaction

Vygotsky's Social Learning Theory

500

This American psychologist believed that free will is an illusion

B.F. Skinner

500

Regulates reproduction related systems such as lactation, social bonding, and positive feelings

Oxytocin

500

Small structure in the brain that regulates emotions, links emotions to memories, and the fight or flight response.

Amygdala

500

A pattern of angry/irritable mood, argumentative/defiant behavior, or vindictiveness lasting at least 6 months

Oppositional Defiant Disorder (ODD)

500

Learning occurs through reinforcement where behaviors are strengthened or weakened based on their consequences.

Skinner's Theory of Operant Conditioning 

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