Serotonin is a neurotransmitter primarily found in the brain, intestines, and blood. In psychology, serotonin plays a significant role in mood regulation, emotional well-being, sleep, appetite, and cognitive functions. Abnormalities in serotonin levels or its neural pathways are often associated with mood disorders like depression and anxiety.| Simply Psychology
A synapse is the junction where two neurons communicate without physically touching.| Simply Psychology
This section provides revision resources for AQA A-level psychology and the Schizophrenia chapter. The revision notes cover the AQA exam board and the new specification.| Simply Psychology
Dopamine is a neurotransmitter in the brain associated with pleasure, reward, motivation, and motor control. In psychology, it's linked to feelings of gratification and is implicated in mood disorders, addiction, and certain behaviors when its levels are imbalanced.| Simply Psychology
A neuron is a nerve cell that processes and transmits information through electrical and chemical signals in the nervous system. Neurons consist of a cell body, dendrites (which receive signals), and an axon (which sends signals). Synaptic connections allow communication between neurons, facilitating the relay of information throughout the body.| Simply Psychology
ADHD, or Attention Deficit Hyperactivity Disorder, is a neurodevelopmental disorder that affects both children and adults. It is characterized by signs such as difficulty with focus, hyperactivity, and impulsivity.| Simply Psychology
Anxiety disorders are characterized by distressing, persistent anxiety and are often paired with unhelpful behaviors that individuals may use to try to reduce anxiety, such as avoidance or other safety behaviors.| Simply Psychology
The fight or flight response is a physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival. It prepares your body to either confront or flee from the threat by triggering changes like increased heart rate, quickened breathing, and heightened alertness.| Simply Psychology