Biopsychology
What drives thought, emotion, and action? This book looks beneath the surface, tracing behavior to the biological roots of the brain and nervous system.
Brain
Amygdala
Definition The amygdala is a small, almond-shaped structure located deep within the brain. It pla...
Brainstem
Definition The brainstem is the lower part of the brain that connects it to the spinal cord. It p...
Cerebellum
Definition The cerebellum is a part of the brain located at the back of the head, below the cereb...
Cerebral Cortex
Definition The cerebral cortex is the outer layer of the brain, often referred to as the "gray ma...
Corpus Callosum
Definition The corpus callosum is a large band of nerve fibers in the brain that connects the two...
Frontal Lobe
Definition The frontal lobe is one of the four main regions of the brain and is located at the fr...
Hindbrain
Definition The hindbrain is a region at the base of the brain responsible for controlling vital l...
Hippocampus
Definition The hippocampus is a small, curved structure located in the medial temporal lobe of th...
Hypothalamus
Definition The hypothalamus is a small region located at the base of the brain, just above the pi...
Lateralization
Definition Lateralization refers to how different tasks or functions are divided between the left...
Limbic System
Definition The limbic system is a group of interconnected brain structures that play a crucial ro...
Medulla Oblongata
Definition The medulla oblongata, often referred to simply as the medulla, is a part of the brain...
Motor Cortex
Definition The motor cortex is a region of the brain located in the frontal lobe that plays a cru...
Occipital Lobe
Definition The occipital lobe is one of the four main regions of the brain, located at the back o...
Parietal Lobe
Definition The parietal lobe is one of the four main regions of the brain, situated at the top an...
Pons
Definition The pons is a region in the brainstem, located between the medulla oblongata and the m...
Prefrontal Cortex
Definition The prefrontal cortex (PFC) is the front part of the brain's frontal lobe, located jus...
Reticular Formation
Definition The reticular formation is a network of nerve cells and fibers located in the brainste...
Somatosensory Cortex
Definition The somatosensory cortex is a region of the brain located in the parietal lobe that pl...
Substantia Nigra
Definition The substantia nigra is a region within the midbrain, specifically located at the base...
Suprachiasmatic Nucleus
Definition The suprachiasmatic nucleus (SCN) is a small region in the brain located just above th...
Temporal Lobe
Definition The temporal lobe is a region of the brain located on each side of the cortex, near th...
Thalamus
Definition The thalamus is a crucial part of the brain located deep within the center, near the t...
Ventral Tegmental Area
Definition The ventral tegmental area (VTA) is a region located in the midbrain that plays a key ...
Endocrine System
Endocrine System
Definition The endocrine system is a network of glands and organs that produce and release hormon...
Hormone
Definition A hormone is a chemical messenger produced by glands in the endocrine system that regu...
Pituitary Gland
Definition The pituitary gland is a small, pea-sized organ located at the base of the brain. Ofte...
Genetics
Allele
Definition An allele is a specific form of a gene that can have different variations, which contr...
Chromosome
Definition A chromosome is a thread-like structure found in the nucleus of cells that carries gen...
Deoxyribonucleic acid (DNA)
Definition Deoxyribonucleic acid (DNA) is a molecule that contains the genetic instructions for b...
Epigenetics
Definition Epigenetics is the study of changes in gene expression that do not involve alterations...
Gene
Definition A gene is a segment of DNA that contains instructions for building proteins or RNA mol...
Genetics
Definition Genetics is the scientific study of heredity and variation in organisms. It focuses on...
Genotype
Definition The genotype of an organism refers to its complete set of genetic instructions, which ...
Phenotype
Definition A phenotype refers to the observable characteristics or traits of an organism, such as...
Punnett Square
Definition A Punnett Square is a tool used in genetics to predict the genotype and phenotype of o...
Nervous System
Autonomic Nervous System
Definition The autonomic nervous system (ANS) is a part of the peripheral nervous system that con...
Central Nervous System
Definition The central nervous system (CNS) is the part of the nervous system responsible for pro...
Parasympathetic Nervous System
Definition The parasympathetic nervous system (PNS) is part of the autonomic nervous system, whic...
Somatic Nervous System
Definition The somatic nervous system (SNS) is a part of the peripheral nervous system responsibl...
Sympathetic Nervous System
Definition The sympathetic nervous system is part of the autonomic nervous system, which controls...
Neurons and Neurotransmitters
Acetylcholine
Definition Acetylcholine (ACh) is a neurotransmitter, which is a chemical messenger that helps tr...
Action Potential
Definition An action potential is a rapid electrical impulse that travels along the membrane of a...
Adrenaline
Definition Adrenaline, also known as epinephrine, is a hormone and neurotransmitter produced by t...
All-or-Nothing Response
Definition The all-or-none response refers to how neurons (nerve cells) work: when a neuron recei...
Axon
Definition An axon is a long, slender projection of a nerve cell (neuron) that carries electrical...
Dendrites
Definition Dendrites are tree-like extensions of neurons, which serve as the input regions where ...
Dopamine
Definition Dopamine is a neurotransmitter, which is a type of chemical in the brain that helps tr...
Endorphins
Definition Endorphins are natural chemicals produced in your brain that act as your body’s way of...
Gamma-aminobutyric acid (GABA)
Definition Gamma-aminobutyric acid (GABA) is a neurotransmitter, which means it's a chemical that...
Glial Cells
Definition Glial cells are specialized non-neuronal cells found in the nervous system that play a...
Glutamate
Definition Glutamate is a type of amino acid that plays a crucial role in the human body, particu...
Melatonin
Definition Melatonin is a hormone produced by the pineal gland in the brain. It plays a key role ...
Neuron
Definition A neuron is a specialized cell in the nervous system that transmits information throug...
Neurotransmitter
Definition A neurotransmitter is a chemical messenger in the brain that allows neurons (specializ...
Reuptake
Definition Reuptake is a process in the brain where neurotransmitters—chemicals that transmit sig...
Serotonin
Definition Serotonin is a chemical compound in the body that acts as a neurotransmitter, meaning ...
Synapse
Definition A synapse is a tiny gap between neurons where communication occurs through chemical me...
Mirror Neurons
Definition Mirror neurons are specialized brain cells that activate both when an individual perfo...