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Mental Health Disorders

Defining Mental Health Disorders

Key Features

Mental health disorders are characterised by distinct behavioural, emotional, and cognitive features. Recognising these characteristics is important in diagnosis and treatment. This section explores these dimensions in three disorders commonly studied in A-Level Psychology: phobias, depression and obsessive-compulsive disorder (OCD).

Phobias Overview

Extreme and Irrational Fear

Phobias are anxiety disorders characterised by an extreme and irrational fear of an object, situation, or activity. They can be specific (e.g., fear of spiders) or social (fear of social situations).

Phobia Characteristics

The manifestation of phobias can be categorised into three distinct domains: what the person does (behaviour), what the person feels (emotion), and how the person thinks (cognition). These dimensions are critical for full diagnostic profiling.

B

Behavioural Characteristics

Avoidance: People with phobias tend to avoid the feared stimulus at all costs. For example, a person with a spider phobia might refuse to enter a room where a spider could be. Freeze or panic responses: Exposure to the phobic stimulus may lead to freezing, fleeing, or panic attacks. Disruption to normal functioning: Phobias can interfere with daily life, e.g., delaying travel or socialising to avoid the trigger.
E

Emotional Characteristics

Excessive fear and anxiety: Immediate fear response when confronted with, or thinking about, the phobic stimulus. Emotional distress: Intense feelings of dread that are disproportionate to any real danger. Physical symptoms: Increased heart rate, sweating, trembling, dry mouth, dizziness.
C

Cognitive Characteristics

Irrational beliefs: The person holds exaggerated or unreasonable fears (e.g., “all dogs will bite me”). Cognitive distortions: Attention hyper-focused on the phobic stimulus, tendency to catastrophize outcomes. Recognition of irrationality: Often, people are aware their fear is irrational, but cannot control it.

Depression Overview

A Persistent Mood Disorder

Depression is a mood disorder characterised by persistent sadness and loss of interest. It affects thoughts, feelings, and behaviour.

Depression Characteristics

Depressive episodes manifest profoundly across all domains of life. The core features revolve around emotional stagnation, reduced physical drive, and entrenched negative thought patterns.

B

Behavioural Characteristics

Reduced activity: People may withdraw from work, social activities, and hobbies. Psychomotor retardation or agitation: Movements can become slowed or restless. Sleep disturbances: Insomnia or sleeping excessively. Changes in appetite and weight: Either loss or gain.
E

Emotional Characteristics

Persistent low mood: Feelings of sadness, emptiness or hopelessness. Loss of pleasure: Anhedonia, the inability to feel joy in usually pleasurable activities. Feelings of worthlessness or excessive guilt: Low self-esteem and self-criticism. Suicidal thoughts: In severe cases, thoughts of death or suicide.
C

Cognitive Characteristics

Negative thinking: Pessimistic view of self, world, and future (Beck’s negative triad). Poor concentration and decision-making: Difficulty focusing and making choices. Recurring thoughts about failure or inadequacy.

OCD Overview

Obsessions and Compulsions

OCD involves intrusive thoughts (obsessions) and repetitive behaviours (compulsions) performed to reduce anxiety.

OCD Characteristics

OCD is defined by the cyclical interaction between distress caused by intrusive thoughts and the temporary relief provided by rituals. This pattern defines the behavioural, emotional, and cognitive makeup of the disorder.

B

Behavioural Characteristics

Compulsions: Repetitive actions (e.g., hand washing, checking) aimed at reducing anxiety from obsessions. Avoidance: Avoidance of situations that trigger obsessions. Time-consuming behaviours: Compulsions can interfere with daily routine and social life.
E

Emotional Characteristics

Anxiety and distress: Obsessions cause extreme anxiety, and compulsions offer only temporary relief. Guilt and disgust: Often feelings of responsibility or moral concern over obsessions. Frustration or embarrassment due to symptoms.
C

Cognitive Characteristics

Obsessive thoughts: Persistent, intrusive, unwanted thoughts, images, or urges. Insight: Most individuals recognise obsessions and compulsions are irrational but feel powerless to stop. Hypervigilance: Excessive focus on possible dangers or “contamination.”

Core Feature Summary

A comparative overview of the distinct characteristics across the three core disorders.

Disorder Behavioural Emotional Cognitive
Phobias Avoidance, freezing, panic Excessive fear, anxiety, distress Irrational beliefs, recognition of fear as irrational
Depression Reduced activity, sleep & appetite changes Persistent sadness, hopelessness, guilt Negative thinking, poor concentration
OCD Compulsions, avoidance, time-consuming rituals Anxiety, guilt, distress Obsessions, insight, hypervigilance

Treatment Insight

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Diagnostic Principle: Understanding these characteristics helps with diagnosing the disorders and tailoring appropriate treatments.

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Mental Health Disorders Deck
Term
Phobias Characteristics

What characterises phobias?

Answer
Definition

Extreme and irrational fear of an object, situation, or activity.

Term
Phobias Behavioural

Name two behavioural characteristics of phobias.

Answer
Behavioural

Avoidance of the feared stimulus and freeze or panic responses.

Term
Phobias Emotional

What emotional symptoms are common in phobias?

Answer
Emotional

Excessive fear, anxiety, and physical symptoms like increased heart rate.

Term
Phobias IRR

What does recognition of irrationality mean in phobias?

Answer
Cognitive

Knowing the fear is unreasonable but being unable to control it.

Term
Depression Definition

What is depression?

Answer
Definition

A mood disorder characterised by persistent sadness and loss of interest.

Term
Depression Behavioural

List two behavioural signs of depression.

Answer
Behavioural

Reduced activity and sleep disturbances.

Term
Depression Emotional

What emotional states are typical in depression?

Answer
Emotional

Persistent low mood, feelings of worthlessness, and suicidal thoughts.

Term
Depression Cognitive

Which cognitive feature is part of depression?

Answer
Cognitive

Negative thinking, including Beck's negative triad.

Term
OCD Obsessions

What are obsessions in OCD?

Answer
Definition

Intrusive, unwanted thoughts, images, or urges.

Term
OCD Compulsions

What are compulsions in OCD?

Answer
Definition

Repetitive behaviours performed to reduce anxiety caused by obsessions.

Term
OCD Behavioural

Name a behavioural characteristic of OCD.

Answer
Behavioural

Time-consuming rituals like hand washing or checking.

Term
OCD Emotional

How do emotions manifest in OCD?

Answer
Emotional

Anxiety, guilt, distress, and frustration.

Term
OCD Cognitive Insight

What cognitive characteristic shows insight in OCD?

Answer
Cognitive

Awareness that obsessions and compulsions are irrational yet feeling powerless.

Term
Common Behavioural Trait

What is the common behavioural trait shared by phobias and OCD?

Answer
Behavioural

Avoidance of feared stimuli or triggers.

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🧠 Mental Health Disorders Quiz

1. Which of the following is NOT a behavioural characteristic of phobias?

Loss of interest is a behavioural characteristic of depression, not phobias.

2. Beck’s negative triad in depression includes negative views of:

The negative triad refers to pessimistic views of the self, world, and future.

3. Which of these is a cognitive characteristic of OCD?

Insight means recognizing that obsessive thoughts and compulsions are irrational.

4. True or False: People with phobias always believe their fear is rational and justified.

Often, people with phobias recognize their fear is irrational but cannot control it.

5. Which of the following symptoms is common in depression but not in OCD?

Suicidal thoughts are a symptom of depression, not typically of OCD.

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