Unit 1845: Biopsychology

1. Introduction to Biopsychology

1.1 Definition and Scope

1.2 Historical Development

• Early theories linking biology and behavior
• Emergence of biopsychology as a field

1.3 Key Concepts

• Biological bases of behavior
• Brain-behavior relationship
• Interdisciplinary approaches

2. Neurons and Neurotransmission

2.1 Neuron Structure

• Cell body (soma)
• Dendrites
• Axon
• Myelin sheath
• Synapse

2.2 Types of Neurons

• Sensory neurons
• Motor neurons
• Interneurons

2.3 Neurotransmission Process

• Electrical impulses (action potentials)
• Synaptic transmission
• Excitatory and inhibitory signals

2.4 Neurotransmitters

• Major neurotransmitters (e.g., dopamine, serotonin, acetylcholine)
• Role in communication and behavior

3. Brain Structure and Function

3.1 Overview of Brain Anatomy

• Central nervous system (CNS)
• Peripheral nervous system (PNS)

3.2 Major Brain Regions

• Cerebrum (lobes and functions)
• Cerebellum
• Brainstem
• Limbic system

3.3 Functional Specialization

• Motor and sensory areas
• Association areas
• Hemispheric lateralization

4. Neuroplasticity and Brain Development

4.1 Concept of Neuroplasticity

• Synaptic plasticity
• Structural plasticity

4.2 Brain Development Stages

• Prenatal development
• Childhood and adolescence
• Adulthood

4.3 Influencing Factors

• Genetic influences
• Environmental effects
• Experience-dependent plasticity

5. Sensation and Perception

5.1 Sensory Systems

• Vision
• Hearing
• Touch
• Taste
• Smell

5.2 Neural Processing of Sensory Information

• Sensory receptors
• Pathways to the brain

5.3 Perception

• Perceptual organization
• Influence of biological factors
• Sensory integration

6. Motivation and Emotion

6.1 Biological Bases of Motivation

• Brain regions involved (hypothalamus, limbic system)
• Neurotransmitters and hormones

6.2 Types of Motivation

• Hunger and thirst
• Sexual motivation

6.3 Biological Foundations of Emotion

• Emotional brain structures
• Neurochemical modulation
• Behavioral and physiological responses

7. Sleep and Consciousness

7.1 Physiology of Sleep

• Sleep stages (REM, non-REM)
• Brain activity during sleep

7.2 Regulation of Consciousness

• Neural mechanisms
• Altered states of consciousness

7.3 Sleep Disorders

• Insomnia
• Sleep apnea
• Narcolepsy

8. Stress and Health

8.1 Physiological Stress Response

• Role of the hypothalamic-pituitary-adrenal (HPA) axis
• Sympathetic nervous system activation

8.2 Chronic Stress Effects

• Impact on physical health
• Effects on mental health

8.3 Brain-Body Connection

• Coping mechanisms
• Stress-related disorders

9. Psychopathology and the Brain

9.1 Biological Factors in Mental Disorders

• Genetic and neurochemical influences

9.2 Neurobiology of Major Disorders

• Depression
• Anxiety disorders
• Schizophrenia

9.3 Neuroscience in Treatment

• Pharmacological approaches
• Emerging therapies

10. Brain Injuries and Disorders

10.1 Types of Brain Injuries

• Traumatic brain injury (TBI)
• Stroke

10.2 Neurodegenerative Diseases

• Alzheimer's disease
• Parkinson's disease

10.3 Neurological Disorders

• Epilepsy
• Multiple sclerosis

10.4 Advances in Research and Therapy

• Neurorehabilitation
• Neurotechnology