Between Denunciation and Understanding: Sentencing Psychologically Overwhelmed Offenders in Criminal Law
Aafreen Kamil
Andaman Law College
Abstract
Criminal law is based on the assumption that individuals are rational beings, and accordingly, liabilities are structured on the basis of intention, negligence and insanity. This rational behaviour of an individual is actually the result of psychological processes, and is the most direct way in which mental functions are expressed. However, contemporary criminological research suggests that human behaviour- particularly in situations of acute emotional stress or psychological overwhelm-often operates along a continuum rather than within rigid legal thresholds, as evidenced by studies employing the Trier Social Stress Test (TSST), which highlights the extent to which stress can compromise volitional control raising important questions for doctrines of culpability and sentencing.
This paper analyses the psychologically overwhelmed yet legally sane offenders, whose actions, though fitting the legal requirements of culpability, may be significantly shaped by transient disruptions in self-control and cognitive functioning. Focusing on behavioural and criminological insights and connecting them with affective aggression, stress responses and impulse regulation, we observe that the current approaches risk producing punishments that are formally proportionate yet criminologically incomplete, as prevailing penal theories remain empirically determined, insufficiently responsive to psychologically complex forms of conduct, and disconnected from contextual realities that shape offender behaviour – particularly in cases of acute emotional overwhelm.
This paper with reference to doctrine of provocation, identifies a doctrinal gap between total incapacity and full rational accountability and proposes a narrowly tailored sentencing approach that incorporates structured psychological assessment and targeted rehabilitative measures, while preserving legal responsibility and safeguarding victim interests. In doing so, its main objective is, to bridge the tension between denunciation and understanding by aligning criminal sentencing more closely with criminological knowledge without undermining the normative foundations of criminal law.
Keywords
- Criminal Sentencing
- Criminology
- Psychological Overwhelm
- Criminal Responsibility
- Provocation
Introduction
“The degree of civilization in a society can be judged by entering its prisons.” – Fyodor Dostoevsky in the House of the Dead.
Criminal law depends fundamentally on a system of classification. The primary distinguishing factors include difference between guilt and innocence, intention and negligence, sanity and insanity and it structures criminal liability accordingly. This liability can be seen clearly in Actus non facit reum nisi mens sit rea, the maxim which indicates the essentials of liability to criminal punishment. It sharply contrasts the conduct of the wrongdoer, i.e., his physical acts or omissions, with the state of his mind at the time, i.e., what he was thinking when he so acted.[1] These categorical distinctions are indispensable to legal certainty and administration of justice. Yet, it’s observable that human behaviour rarely conforms to such rigid boundaries. In moments, where the humans face anxiety, depression, stress or sudden psychological overwhelm, they are always seen to act neither fully rationally nor fully devoid of control. The law continues to view these cases with respect to clear favourable gradations, instead of assess them as individual human experiences.
Criminal law attempts to recognize, the complexity of human behaviour through doctrines such as doctrine of insanity, mental incapacity, yet they operate through narrow or extreme cognitive or volitional impairment. These doctrines operate on a threshold basis: – they either eliminate liability or often narrow mitigation under specific condition. As a result, individuals experiencing significant psychological distress, often get labelled as completely “sane” and responsible for their actions. Criminal law, doesn’t adequately engage with the transient state of mind that impairs self-regulation without extinguishing legal responsibility.
In depth criminological and behavioural research, proves the assumption of individuals always acting rationally to be false. A qualitative study was conducted on 200 adult offenders- each with at least three convictions for predatory property or street crimes such as theft, burglary or robbery-demonstrates systematic deviations from rational choice and expected utility models.[2] Further, the participants were asked to recount real situations in which they encountered crime prevention or control measures, and to explain how the evaluated effort, risk or reward in those moments. It was observed that, their explanation showed consistent patterns of non-rational decision making: offenders usually rely on intuition, heuristics, and even superstition, rather than calculated cost benefit analysis. Especially in cases, where the subject had history of drug or alcohol abuse, evidence of impaired cognition, with disrupted rational evaluation was observed. These disruptions were nether equivalent to insanity nor equivalent to culpability. These results indicate that offender’s decision making-is shaped by bounded rationality, cognitive biases and situational uncertainty rather than stable rational calculation. It marks a grey area, between full rational accountability and complete incapacity- a continuum which the law in its current form is unable to capture precisely.
These limitations become particularly evident in our current sentencing framework. While the liability might be accurate under the existing doctrines, the absence of structured mechanisms to assess psychological overwhelm, often leads to punishments which are formally proportionate, yet insufficiently responsive to underlying behavioural realities. Doctrines such as provocation, mentioned in Bhartiya Nyaya Sanhita 2023, illustrate an attempt to comprehend, loss of self-control, by narrow formulations and inconsistent application.
This paper argues that while criminal liability should not be exempted even for psychologically overwhelmed offenders, existing frameworks require a more principled recalibration that meaningfully incorporates insights from criminology and behavioural science. It does not seek to excuse unlawful conduct, but to refine proportionality by recognising gradations of human agency that falls between full rational control and insanity.
The Criminological Foundations: – How Behaviour Breaks Under Stress
Focusing on the limits of categorisation mentioned above, this section will examine acute psychological stress on the psychology of a human beings. It can be understood more clearly with the help of the ‘Trier Social Test (TSST) which mainly consists of an anticipation period (10 min) and a test period (10 min) in which the subjects are required to deliver a free speech and perform mental arithmetic in front of an audience. In six independent studies this protocol has been found to induce considerable changes in the concentration of ACTH, cortisol (serum and saliva), GH, prolactin as well as significant increase in heart rate as for salivary cortisol levels, the TSST reliably lead to two to four fold elevations above baseline with similar peak cortisol concentrations. Studies have shown that TSST induced cortisol increases have elucidated some of the variables responsible for adrenocortical stress responses.[3] When a human body, is under acute stress state, the amygdala, (threat-detection centre) overrides the prefrontal cortex (part responsible for rational thought, controlling impulses, and evaluating the consequences of actions). This shift is often described as the fight-or-flight response, meaning that an individual under acute psychological stress acts differently than a calm, unaffected person. This is legally significant because often criminal law assumes a baseline level of rational functioning which criminal law clearly disrupts. Such an offender neither qualifies as fully rational nor meets the threshold of complete incapacity under insanity doctrine. They fall perfectly in the grey space current law fails to address.
How a person behaves can be understood by studying about aggressive behaviour, and its two broad subtypes: – affective (impulsive) aggression and predatory (premeditated) aggression. Affective aggression is reactive, and is triggered by emotions. It is unplanned and is arises as a response to threats. Predatory aggression meanwhile is calculated, purposeful and deliberate. Research was conducted to compare a group of premeditated psychiatric patients with a group of normal, non-aggressive control subjects on personality, neuropsychological and cognitive psychological measures. [4] It was marked that premeditated aggressors showed significant personality pathology- higher impulsivity, hostility, and psychoticism- suggesting a stable disposition towards violence. Affective aggressors, however, are not defined by personality pathology but by situational psychological overwhelm. This distinction plays a major role in sentencing according to the modern criminal law. A crime committed as a result of psychological overwhelm, is fundamentally different in nature from a planned calculated act. Treating both identically ignores criminological reality. The physiological aspects of behavioural control play a decisive role in determining the type of aggression displayed- and therefore must inform how courts assess culpability and sentence such offenders.
Most common effect of acute stress is cognitive narrowing, often referred to as tunnel vision. Under situations involving acute emotional and psychological stress, the human mind automatically focuses on immediate perceived threat, shutting out all rational thinking about alternate responses and long term consequences. This is not a choice- it’s an automatic neurological response. Research conducted by Arnsten on the functioning of prefrontal cortex showed that even moderate stress levels can cause significant deterioration in a person’s ability to evaluate consequences and regulate impulsive reactions. Under severe stress, this deterioration becomes acute. This is essential to be kept in consideration during judging criminal liability of an offender, because typically it is assumed, that the offender had the cognitive capacity to foresee the consequences but he chooses otherwise. Cognitive narrowing directly challenges this assumption. However, this does not eliminate culpability. It fundamentally alters the moral quality of the act. Sentencing frameworks that ignores cognitive narrowing effectively punish an offender for a level of rational agency they did not actually possess at the time of offence- which is neither just nor criminologically sound.
Affective aggression is frequently associated with emotional dysregulation as a result of trauma, abusive history and chronic stress exposure and impaired emotional processing. On the other hand, conduct of premeditated aggressors, is often linked to stable personality pathology and calculated behavioural patterns. Studies have shown that extreme exposure to childhood abuse, trauma and neglect may impair impulse control, increasing the reactivity and contribute to maladaptive coping mechanisms that increase the likelihood of violent conduct. However these findings do not erase the culpability, Instead it provides more nuanced understanding of behaviour and psychology influencing violent acts, hence supporting sentencing approaches that account for varying degrees of emotional regulation, volitional control, rehabilitation, and risk assessment.
Legal Analysis: The Failure of Binary Criminal Categorisation
Criminal law recognises mental incapacity primarily through narrowly structured insanity doctrines, with a main focus on cognitive awareness at the time of the offence. The law distinguishes between legal and medical insanity and only recognises conditions which can impair an individual’s mental capacity to differentiate between right and wrong during the act. The burden of proof lies with the defendant. It is hard to defend legal insanity, and even harder to defend it in court.[5] While this threshold preserves legal certainty, it leaves a very large grey area for offenders who experience temporary but substantial disruptions in emotional regulation and behavioural control. Dahyabhai Chhaganbhai Thakkar v. State of Gujarat[6], is a landmark case reflecting this limitation. In this case the Supreme Court reaffirmed the strict evidentiary burden associated with legal insanity demonstrating law’s reluctance to recognise intermediate psychological states that impair self-control while keeping the awareness intact.
Unlike insanity doctrine, the doctrine of grave and sudden provocation, recognises the impact of emotional disturbance on criminal misconduct but only partially. The Doctrine of Insanity focuses more on suddenness, immediacy and reasonable person standard. Contemporary Criminological research have always shown result from time to time, emotional overwhelm can be triggered by prolonged exposure of stress, trauma or humiliation hence challenging the law’s narrow understanding of behavioural breakdown. In cases like K.M. Nanavati v. State of Maharashtra[7] and R v. Duffy[8] the limitation is reflected clearly if sufficient time to cool down has elapsed then this defence will not apply. Through this we can understand how courts often reduce emotional recovery into objective temporal calculations without fully engaging with the psychological complexities of emotional destabilisation.
It is observed that courts occasionally consider emotional distress during, sentencing, such consideration frequently remains inconsistent and unstructured. Since, there is no formal psychology assessment mechanism, sentencing decisions depend on judicial intuition rather than empirically grounded evaluation. This inconsistency becomes particularly problematic in cases involving transient psychological overwhelm. Criminological research have always shown that acute stress and emotional dysregulation may substantially impair behavioural restraint without negating legal responsibility. Yet sentencing frameworks are insufficient in distinguishing between stable rational decision-making behaviour shaped by temporary psychological disruption.
To gain further insight in this matter comparative study approach is found useful. The United Kingdom doctrine of diminished responsibility [9] as established under the Homicide Act 1957, s.2 recognises gradations of psychological impairment without completely negating liability, while courts in the United States frequently permit psychological evidence during sentencing mitigation. Even while being inadequate, they demonstrate that criminal law need not operate solely through rigid binary categories.
The cases discussed above reveal a recurring tension between doctrinal certainty and behavioural complexity. While criminal liability may remain justified, sentencing frameworks require more structured engagement associated with psychological realities in order to produce punishment that is both proportionate and behaviourally informed.
Retribution vs. Rehabilitation
Criminal punishment has been historically justified through two theories: – retribution and rehabilitation[10]. Retributive theory focuses on moral blameworthiness and societal condemnation, arguing that offenders deserve punishment proportionate to the harm caused. Meanwhile, rehabilitative theories focus on addressing the behavioural and psychological conditions which contributes to criminal misconduct in order to prevent future offending. This tension becomes particularly important when discussing psychologically overwhelmed yet legally sane offenders. Here a purely punitive approach may fail to address the underlying behavioural realities influencing the offence, while excessive reliance on rehabilitation risks undermining accountability and victim justice.
Victim interest further complicates this debate. An adequate and sufficient criminal justice system cannot focus solely on the offender’s psychological condition while disregarding the harm suffered by victims. It is therefore necessary to find a more balance framework which can preserve criminal liability and proportionality alongside structured rehabilitative measures where psychological overwhelm significantly contributes to offending behaviour.
Proposed Sentencing Framework
To achieve a balanced criminal law framework, first and foremost the burden of proving of significant psychological impairment framework must remain with the defendant, to prevent misuse of this defence.
Secondly the courts should incorporate structured psychological assessment with the help of experts to assist in determing whether acute stress, trauma, emotional dysregulation, or other behavioural factors substantially impaired self-control during the time of offence.
Third, sentencing should adopt a hybrid approach combining proportionate punishment with rehabilitative measures. Courts may incorporate counselling, behavioural therapy, anger management programmes, or supervised rehabilitation alongside conventional punishment depending on the severity of the offence and the degree of psychological overwhelm established by the assessment.
Ultimately, a sentencing framework aligned with criminological insight is more appropriate, as it maintains accountability while responding more realistically to the psychological complexities influencing human behaviour under conditions of acute emotional stress.
Conclusion
Criminal law cannot abandon the principles of accountability and proportional punishment. However, contemporary criminological research increasingly demonstrates that human behaviour under acute emotional stress does not always confirm to the rigid categories of rationality and incapacity. Existing doctrines such as insanity and provocation acknowledge psychological disturbance only within narrow thresholds, leaving a significant grey area for offenders who experience temporary yet substantial psychological impairments in behavioural control.
This paper argues for a balance of both criminal liability and structured psychological assessment for psychological overwhelmed offenders. Completely focusing on denunciation risks detaching criminal justice from behavioural reality while focusing solely on rehabilitation risks weakening accountability and undermining victim justice. The appropriate balance lies in the framework that preserves both responsibility and criminological complexities inherent in conduct occurring under conditions of psychological overwhelm.
Criminal law sees the act. It does not always see the journey that led to it. A person experiencing prolonged psychological overwhelm does not cease to be legally responsible — but they deserve more than a system that measures only the moment of the offence while remaining blind to everything that preceded it. Justice that ignores the psychological reality of the offender is justice that is only formally complete. What is needed is not an excuse, but an assessment — a structured, empirically grounded mechanism that gives psychologically overwhelmed yet legally sane offenders a genuine chance at rehabilitation, treatment, and ultimately, at becoming better. The law must find a way to hold people accountable and help them heal at the same time.
TABLE OF CASES
Dahyabhai Chhaganbhai Thakker v. State of Gujarat, AIR 1964 SC 1563 (India)
K.M. Nanavati v. State of Maharashtra, AIR 1962 SC 605 (India)
R v. Duffy, (1949) All ER 932
TABLE OF LEGISLATION
Homicide Act 1957, s.2
BIBLIOGRAPHY
Clemens Kirschbaum, Karl-Martin Pirke & Dirk Hellhammer, The “Trier Social Stress Test” – A Tool for Investigating Psycobiological Stress Responses in a Laboratory Setting, 28 Neuropsychobiology 76 (1993)
D Kim Rossmo and Lucia Summers, ‘Uncertainty, and Heuristics in Offender Decision-Making: Deviations from Rational Choice’ (2022) 81 Journal of Criminal Justice 101923
Dr. Jennifer M. Miller, The Two Faces of Justice: Retribution and Rehabilitation in Contemporary Society (2025) 30 IOSR J. Human. & Soc. Sci. 70
JWC Turner, ‘The Mental Element in Crimes at Common Law’ (1936) 6(1) Cambridge Law Journal 31
Matthew S. Stanford, Rebecca J. Houston, Nicole R. Villemarette-Pittman & Kevin W. Greve, Premeditated Aggression: Clinical Assessment and Cognitive Psychophysiology (2003) 34 Personality and Individual Differences 773
Suresh Bada Math, Channaveerachari Naveen Kumar & Sydney Moirangthem, Insanity Defence: Past, Present, and Future (2015) 37 Indian J. Psychol. Med. 381
[1] JWC Turner, ‘The Mental Element in Crimes at Common Law’ (1936)6(1) Cambridge Law Journal 31, available at:- https://doi.org/10.1017/S0008197300131137
[2] D Kim Rossmo and Lucia Summers, ‘Uncertainty, and Heuristics in Offender Decision-Making: Deviations from Rational Choice’ (2022) 81 Journal of Criminal Justice 101923 available at: https://doi.org/10.1016/j.jcrimjus.2022.101923
[3] Clemens Kirschbaum, Karl-Martin Pirke & Dirk Hellhammer, The “Trier Social Stress Test “ – A Tool for Investigating Psycobiological Stress Responses in a Laboratory Setting, 28 Neuropsychobiology 76(1993) available at: https://doi.org/10.1159/000119004
[4] Matthew s. Stanford, Rebecca J. Houston, Nicole R. Villemarette-Pittman & Kevin W. Greve, Premeditated Aggression: Clinical Assessment and Cognitive Psychophysiology(2003) 34 Personality and Individual Differences 773, available at: https://www.researchgate.net/publication/223662337_Premeditated_aggression_Clinical_assessment_and_cognitive_psychophysiology
[5] Suresh Bada Math, Channaveerachari Naveen Kumar & Sydney Moirangthem, Insanity Defence: Past, Present, and Future(2015) 37 Indian J. Psychol. Med.381, available at: https://doi.org/10.4103/0253-7176.168559
[6] Dahyabhai Chhaganbhai Thakker v. State of Gujarat, AIR 1964 SC 1563 (India), available at: https://indiankanoon.org/doc/1589322/
[7] K.M. Nanavati v. State of Maharashtra, AIR 1962 SC 605(India), available at: https://indiankanoon.org/doc/15916139/
[8] In R v. Duffy , (1949) All ER 932, available at: https://www.e-lawresources.co.uk/r-v-duffy
[9] Homicide Act 1957, s.2, available at: https://www.legislation.gov.uk/ukpga/Eliz2/5-6/11/section/2/enacted
[10] Dr. Jennifer M. Miller, The Two Faces of Justice: Retribution and Rehabilitation in Contemporary Society (2025) 30 IOSR J. Human. & Soc. Sci70, available at: https://www.iosrjournals.org/iosr-jhss/papers/Vol.30-Issue3/Ser-3/I3003037081.pdf
